CINXE.COM

<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width"/><title>Send Appointment Reminders | Twilio</title><meta name="description" content="Learn how to build an SMS appointment reminders app using the programming language of your choice."/><link rel="canonical" href="https://www.twilio.com/docs/messaging/tutorials/appointment-reminders"/><meta name="next-head-count" content="5"/><link rel="preconnect" href="https://assets.twilio.com"/><script async="" defer="" src="https://consent.trustarc.com/notice?domain=twilio.com&c=teconsent&gtm=1&js=nj&noticeType=bb"></script><meta name="x-twilio-docs-source" content="primary"/><link rel="preload" href="/_next/static/css/12418e876151f57e.css?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" as="style"/><link rel="stylesheet" href="/_next/static/css/12418e876151f57e.css?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" data-n-g=""/><noscript data-n-css=""></noscript><script defer="" nomodule="" src="/_next/static/chunks/polyfills-42372ed130431b0a.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui"></script><script src="/_next/static/chunks/webpack-d016809eecc59b28.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/framework-4e9f6efc6446e694.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/main-b4d4f90b1cc4bdde.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/pages/_app-6b981dd856620b2d.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/7835-a7fb10a2256feaa9.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/5755-cd1d6e20366970fc.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/9743-1283f268b3f87fce.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/chunks/pages/docs/%5B...path%5D-a754f9627e597019.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/17cMqf3dMWO0te7bKczIy/_buildManifest.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script><script src="/_next/static/17cMqf3dMWO0te7bKczIy/_ssgManifest.js?dpl=dpl_8U5NexGFXdQ6oEQqWQFKBtdip8Ui" defer=""></script></head><body><div id="__next"><style data-emotion="css-global lbobjb">html{font-size:100%;font-family:'TwilioSansText','Inter var experimental','Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',sans-serif;}html:lang(ja) .paste-theme-provider,html:lang(ja-JP) .paste-theme-provider{font-family:'Inter var experimental','Inter var',Hiragino Sans,'ヒラギノ角ゴ ProN W3','Hiragino Kaku Gothic ProN','メイリオ',Meiryo,Osaka,'MS PGothic',sans-serif;}html:lang(zh-CN) .paste-theme-provider{font-family:'Inter var experimental','Inter var','Microsoft YaHei New',微软雅黑,'Microsoft Yahei','Microsoft JhengHei',宋体,SimSun,sans-serif;}html:lang(zh-TW) .paste-theme-provider,html:lang(zh-HK) .paste-theme-provider{font-family:'Inter var experimental','Inter var','Microsoft JhengHei',微軟正黑體,'Microsoft JhengHei UI','Microsoft YaHei',微軟雅黑,宋体,SimSun,sans-serif;}html:lang(ko) .paste-theme-provider{font-family:'Inter var experimental','Inter var','Microsoft JhengHei',微軟正黑體,'Microsoft JhengHei UI','Microsoft YaHei',微軟雅黑,宋体,SimSun,sans-serif;}body{background-color:rgb(255, 255, 255);margin:0;}*,*::after,*::before{box-sizing:border-box;}@media (prefers-reduced-motion: reduce){*{-webkit-animation-duration:0!important;animation-duration:0!important;-webkit-animation-iteration-count:1!important;animation-iteration-count:1!important;transition-duration:0!important;scroll-behavior:auto!important;}}:root{--reach-dialog:1;}</style><style data-emotion="css-global 1uje5tv">@font-face{font-family:'Inter var';font-weight:100 900;font-display:swap;font-style:normal;font-named-instance:'Regular';src:url("https://assets.twilio.com/public_assets/paste-fonts/1.5.2/Inter-roman.var.woff2?v=3.19") format("woff2");}@font-face{font-family:'Inter var';font-weight:100 900;font-display:swap;font-style:italic;font-named-instance:'Italic';src:url("https://assets.twilio.com/public_assets/paste-fonts/1.5.2/Inter-italic.var.woff2?v=3.19") format("woff2");}@font-face{font-family:'Inter var experimental';font-weight:100 900;font-display:swap;font-style:oblique 0deg 8deg;src:url("https://assets.twilio.com/public_assets/paste-fonts/1.5.2/Inter.var.woff2?v=3.19") format("woff2");}@font-face{font-family:'TwilioSansMono';font-style:normal;font-display:swap;font-weight:400;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-Regular.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-Regular.woff') format('woff');}@font-face{font-family:'TwilioSansMono';font-style:italic;font-display:swap;font-weight:400;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-RegularItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-RegularItl.woff') format('woff');}@font-face{font-family:'TwilioSansMono';font-style:normal;font-display:swap;font-weight:700;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-Bold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-Bold.woff') format('woff');}@font-face{font-family:'TwilioSansMono';font-style:italic;font-display:swap;font-weight:700;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-BoldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-BoldItl.woff') format('woff');}@font-face{font-family:'TwilioSansMono';font-style:normal;font-display:swap;font-weight:500;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-Medium.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-Medium.woff') format('woff');}@font-face{font-family:'TwilioSansMono';font-style:italic;font-display:swap;font-weight:500;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-MediumItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansMono-MediumItl.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:normal;font-display:swap;font-weight:300;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Light.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Light.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:italic;font-display:swap;font-weight:300;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-LightItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-LightItl.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:normal;font-display:swap;font-weight:400;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Regular.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Regular.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:italic;font-display:swap;font-weight:400;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-RegularItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-RegularItl.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:normal;font-display:swap;font-weight:500;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Medium.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Medium.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:italic;font-display:swap;font-weight:500;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-MediumItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-MediumItl.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:normal;font-display:swap;font-weight:600;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Semibold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Semibold.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:italic;font-display:swap;font-weight:600;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-SemiboldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-SemiboldItl.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:normal;font-display:swap;font-weight:700;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Bold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Bold.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:italic;font-display:swap;font-weight:700;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-BoldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-BoldItl.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:normal;font-display:swap;font-weight:800;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Extrabold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-Extrabold.woff') format('woff');}@font-face{font-family:'TwilioSansText';font-style:italic;font-display:swap;font-weight:800;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-ExtraboldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansText-ExtraboldItl.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:normal;font-display:swap;font-weight:300;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Light.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Light.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:italic;font-display:swap;font-weight:300;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-LightItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-LightItl.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:normal;font-display:swap;font-weight:400;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Regular.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Regular.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:italic;font-display:swap;font-weight:400;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-RegularItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-RegularItl.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:normal;font-display:swap;font-weight:500;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Medium.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Medium.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:italic;font-display:swap;font-weight:500;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-MediumItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-MediumItl.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:normal;font-display:swap;font-weight:600;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Semibold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Semibold.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:italic;font-display:swap;font-weight:600;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-SemiboldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-SemiboldItl.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:normal;font-display:swap;font-weight:700;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Bold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Bold.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:italic;font-display:swap;font-weight:700;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-BoldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-BoldItl.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:normal;font-display:swap;font-weight:800;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Extrabold.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-Extrabold.woff') format('woff');}@font-face{font-family:'TwilioSansDisplay';font-style:italic;font-display:swap;font-weight:800;src:local(''),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-ExtraboldItl.woff2') format('woff2'),url('https://assets.twilio.com/public_assets/paste-fonts/1.5.2/TwilioSansDisplay-ExtraboldItl.woff') format('woff');}</style><style data-emotion="css 1pzojz9">.css-1pzojz9{color:rgb(18, 28, 45);-webkit-print-color-scheme:light;color-scheme:light;font-size:0.875rem;font-family:'TwilioSansText','Inter var experimental','Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',sans-serif;line-height:1.25rem;font-weight:400;font-variant-numeric:tabular-nums;}</style><div class="paste-theme-provider css-1pzojz9"><style data-emotion="css-global lbobjb">html{font-size:100%;font-family:'TwilioSansText','Inter var experimental','Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',sans-serif;}html:lang(ja) .paste-theme-provider,html:lang(ja-JP) .paste-theme-provider{font-family:'Inter var experimental','Inter var',Hiragino Sans,'ヒラギノ角ゴ ProN W3','Hiragino Kaku Gothic ProN','メイリオ',Meiryo,Osaka,'MS PGothic',sans-serif;}html:lang(zh-CN) .paste-theme-provider{font-family:'Inter var experimental','Inter var','Microsoft YaHei New',微软雅黑,'Microsoft Yahei','Microsoft JhengHei',宋体,SimSun,sans-serif;}html:lang(zh-TW) .paste-theme-provider,html:lang(zh-HK) .paste-theme-provider{font-family:'Inter var experimental','Inter var','Microsoft JhengHei',微軟正黑體,'Microsoft JhengHei UI','Microsoft YaHei',微軟雅黑,宋体,SimSun,sans-serif;}html:lang(ko) .paste-theme-provider{font-family:'Inter var experimental','Inter var','Microsoft JhengHei',微軟正黑體,'Microsoft JhengHei UI','Microsoft YaHei',微軟雅黑,宋体,SimSun,sans-serif;}body{background-color:rgb(255, 255, 255);margin:0;}*,*::after,*::before{box-sizing:border-box;}@media (prefers-reduced-motion: reduce){*{-webkit-animation-duration:0!important;animation-duration:0!important;-webkit-animation-iteration-count:1!important;animation-iteration-count:1!important;transition-duration:0!important;scroll-behavior:auto!important;}}:root{--reach-dialog:1;}</style><div class="css-1pzojz9"><style data-emotion="css-global 10ozouv">*{font-variant-ligatures:none;font-feature-settings:"liga" 0;}.DocSearch-Button{background-color:rgb(255, 255, 255);border-radius:4px;box-shadow:0 0 0 1px #8891aa;color:rgb(96, 107, 133);padding-left:0.75rem;padding-right:0.75rem;margin:0;width:100%;}.DocSearch-Button:hover{box-shadow:0 0 0 1px #006dfa;}.DocSearch-Button:active,.DocSearch-Button:focus{box-shadow:0 0 0 1px #cacdd8,0 0 0 3px #ffffff,0 0 0 4px #006dfa,0 0 0 6px #cce4ff;}.DocSearch-Button .DocSearch-Search-Icon{color:rgb(96, 107, 133);width:1rem;height:1rem;}.DocSearch-Button-Placeholder{font-size:0.875rem;font-family:'TwilioSansText','Inter var experimental','Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',sans-serif;font-weight:500;font-style:italic;padding-left:0.75rem;padding-right:0.75rem;}.DocSearch-Button-Key{top:0;padding-bottom:0;}.DocSearch-Container{color:rgb(18, 28, 45);-webkit-print-color-scheme:light;color-scheme:light;font-size:0.875rem;font-family:'TwilioSansText','Inter var experimental','Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',sans-serif;line-height:1.25rem;font-weight:400;font-variant-numeric:tabular-nums;}.DocSearch-Dropdown a{color:rgb(2, 99, 224);-webkit-text-decoration:underline;text-decoration:underline;}.DocSearch-Dropdown a:hover{-webkit-text-decoration:none;text-decoration:none;}.DocSearch-SearchBar{padding-bottom:0.25rem;}.DocSearch-Search-Icon{color:rgb(96, 107, 133);}.DocSearch-Input{padding-left:1rem;}.DocSearch-LoadingIndicator svg,.DocSearch-MagnifierLabel svg{width:1rem;height:1rem;}.DocSearch-Hits mark{color:rgb(2, 99, 224);}.DocSearch-Hit{padding-bottom:0.5rem;}.DocSearch-Hit a{border-color:rgb(225, 227, 234);border-style:solid;border-width:2px;-webkit-text-decoration:none;text-decoration:none;}.DocSearch-Hit[aria-selected=true] a{border-color:rgb(3, 11, 93);}.DocSearch-Hit-title{font-size:0.875rem;}.DocSearch-Hit-path{font-size:0.75rem;}.DocSearch-Hit-source{color:rgb(18, 28, 45);font-size:0.875rem;font-weight:500;}.DocSearch-Hit-icon{display:none;}.DocSearch-Prefill{color:rgb(2, 99, 224);-webkit-text-decoration:underline;text-decoration:underline;}.DocSearch-Prefill:hover{-webkit-text-decoration:none;text-decoration:none;}.DocSearch-Commands-Key{padding-bottom:0;}:root{--docsearch-primary-color:rgb(3, 11, 93);--docsearch-text-color:rgb(18, 28, 45);--docsearch-spacing:1rem;--docsearch-icon-stroke-width:2px;--docsearch-highlight-color:rgb(3, 11, 93);--docsearch-muted-color:rgb(96, 107, 133);--docsearch-container-background:rgba(96, 107, 133, 0.5);--docsearch-logo-color:rgb(96, 107, 133);--docsearch-modal-width:44.5rem;--docsearch-modal-height:600px;--docsearch-modal-background:rgb(255, 255, 255);--docsearch-modal-shadow:0 2px 8px 0 rgba(18, 28, 45, 0.1);--docsearch-searchbox-height:46px;--docsearch-searchbox-background:rgb(18, 28, 45);--docsearch-searchbox-focus-background:rgb(255, 255, 255);--docsearch-searchbox-shadow:0 0 0 2px #ffffff,0 0 0 3px #006dfa,0 0 0 5px #cce4ff;--docsearch-hit-height:56px;--docsearch-hit-color:rgb(18, 28, 45);--docsearch-hit-active-color:rgb(255, 255, 255);--docsearch-hit-background:rgb(255, 255, 255);--docsearch-hit-shadow:none;--docsearch-key-gradient:rgb(244, 244, 246);--docsearch-key-shadow:none;--docsearch-footer-height:44px;--docsearch-footer-background:rgb(255, 255, 255);--docsearch-footer-shadow:none;}html{scroll-behavior:smooth;scroll-padding-top:100px;}@media (max-width: 1385px){html{scroll-padding-top:156px;}}.grecaptcha-badge{visibility:hidden;}</style><style data-emotion="css ikpa90">.css-ikpa90{box-sizing:border-box;opacity:0;transition-delay:50ms;-webkit-transition:opacity 150ms ease;transition:opacity 150ms ease;}@media screen and (min-width: 768px){.css-ikpa90{opacity:1;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-ikpa90"><style data-emotion="css 1rkak9m">.css-1rkak9m{box-sizing:border-box;background-color:rgb(255, 255, 255);border-radius:4px;box-shadow:0 2px 8px 0 rgba(18, 28, 45, 0.1);left:10px;padding-left:1.25rem;padding-right:1.25rem;padding-top:0.5rem;padding-bottom:0.5rem;position:fixed;top:10px;-webkit-transform:translateY(-150%);-moz-transform:translateY(-150%);-ms-transform:translateY(-150%);transform:translateY(-150%);-webkit-transition:-webkit-transform 0.1s;transition:transform 0.1s;z-index:90;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-column-gap:1.25rem;column-gap:1.25rem;}.css-1rkak9m:focus-within{-webkit-transform:translateY(0%);-moz-transform:translateY(0%);-ms-transform:translateY(0%);transform:translateY(0%);}</style><div data-paste-element="SIDEBAR_SKIPLINKS" data-paste-core-version="20.7.0" class="css-1rkak9m"><style data-emotion="css lpeit6">.css-lpeit6{box-sizing:border-box;color:rgb(2, 99, 224);font-size:inherit;font-weight:inherit;line-height:inherit;outline:none;-webkit-text-decoration:underline;text-decoration:underline;}.css-lpeit6:active,.css-lpeit6[data-active=true]{color:rgb(6, 3, 58);-webkit-text-decoration:none;text-decoration:none;}.css-lpeit6:focus{box-shadow:0 0 0 2px #ffffff,0 0 0 3px #006dfa,0 0 0 5px #cce4ff;color:rgb(2, 99, 224);-webkit-text-decoration:underline;text-decoration:underline;border-radius:4px;}.css-lpeit6:hover{color:rgb(3, 11, 93);-webkit-text-decoration:none;text-decoration:none;}</style><a data-paste-element="SIDEBAR_SKIPLINKS_LINK" data-paste-core-version="20.7.0" href="#twilio-docs-content-area" class="css-lpeit6">Skip to content</a><a data-paste-element="SIDEBAR_SKIPLINKS_LINK" data-paste-core-version="20.7.0" href="#twilio-docs-sidebar-nav" class="css-lpeit6">Skip to navigation</a><a data-paste-element="SIDEBAR_SKIPLINKS_LINK" data-paste-core-version="20.7.0" href="#twilio-docs-topbar" class="css-lpeit6">Skip to topbar</a></div><style data-emotion="css 1ngeyxk">.css-1ngeyxk{box-sizing:border-box;width:100%;overflow:visible;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;border-right-style:solid;border-right-width:1px;border-right-color:rgb(57, 71, 98);background-color:rgb(18, 28, 45);z-index:50;position:fixed;top:0;left:0;bottom:0;}@media screen and (min-width: 768px){.css-1ngeyxk{width:15rem;}}</style><aside data-paste-element="SIDEBAR" data-paste-core-version="20.7.0" style="opacity:1;width:15rem;transform:translateX(0%)" id=":R2lasm:" class="css-1ngeyxk"><style data-emotion="css 144b354">.css-144b354{box-sizing:border-box;padding-left:1.25rem;padding-right:1.25rem;min-height:4.75rem;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(57, 71, 98);display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:start;-ms-flex-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-column-gap:1rem;column-gap:1rem;overflow:hidden;}</style><div data-paste-element="SIDEBAR_HEADER" data-paste-core-version="20.7.0" class="css-144b354"><style data-emotion="css 16k9fbc">.css-16k9fbc{box-sizing:border-box;width:auto;-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none;appearance:none;background:none;display:inline-block;border:none;outline:none;-webkit-transition:background-color 100ms ease-in,box-shadow 100ms ease-in,color 100ms ease-in;transition:background-color 100ms ease-in,box-shadow 100ms ease-in,color 100ms ease-in;font-family:inherit;font-weight:600;-webkit-text-decoration:none;text-decoration:none;position:relative;margin:0;border-radius:4px;cursor:pointer;color:rgb(255, 255, 255);background-color:rgb(18, 28, 45);box-shadow:0 0 0 1px #394762;padding:0.5rem;}.css-16k9fbc:hover{-webkit-text-decoration:none;text-decoration:none;color:rgb(255, 255, 255);background-color:rgb(31, 48, 76);box-shadow:0 0 0 1px #f4f4f6;}.css-16k9fbc:focus{-webkit-text-decoration:none;text-decoration:none;box-shadow:0 0 0 1px #394762,0 0 0 3px #121c2d,0 0 0 4px #ffffff,0 0 0 6px rgba(255, 255, 255, 0.2);}.css-16k9fbc:active,.css-16k9fbc[data-active=true]{-webkit-text-decoration:none;text-decoration:none;box-shadow:0 0 0 1px #ffffff;color:rgb(255, 255, 255);background-color:rgb(31, 48, 76);}</style><a data-paste-element="SIDEBAR_HEADER_ICON_BUTTON" data-paste-core-version="20.7.0" href="/docs" type="button" aria-busy="false" class="css-16k9fbc"><style data-emotion="css 1lgr57j">.css-1lgr57j{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-text-decoration:inherit;text-decoration:inherit;opacity:1;-webkit-box-pack:center;-ms-flex-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-column-gap:0.25rem;column-gap:0.25rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;width:100%;}</style><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1lgr57j"><style data-emotion="css pe4vrq">.css-pe4vrq{box-sizing:border-box;line-height:0;display:block;color:currentColor;width:1.25rem;height:1.25rem;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;}</style><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:R9j6mlasm:"><title id="LogoTwilioIcon-:R9j6mlasm:">Go to the Twilio Docs home page</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span></a><style data-emotion="css bt2jq2">.css-bt2jq2{box-sizing:border-box;opacity:1;font-size:0.875rem;font-weight:600;line-height:1.25rem;letter-spacing:-.02em;color:rgb(255, 255, 255);white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin:0;}</style><div data-paste-element="SIDEBAR_HEADER_LABEL" data-paste-core-version="20.7.0" class="css-bt2jq2">Twilio Docs</div></div><style data-emotion="css 1r1miiz">.css-1r1miiz{box-sizing:border-box;max-height:100%;overflow:hidden;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}</style><div data-paste-element="SIDEBAR_BODY" data-paste-core-version="20.7.0" class="css-1r1miiz"><style data-emotion="css 1j8kdpc">.css-1j8kdpc{box-sizing:border-box;-webkit-transition:opacity 150ms ease;transition:opacity 150ms ease;max-height:100%;overflow-y:auto;overflow-x:hidden;padding-top:1rem;padding-bottom:1rem;padding-left:1.25rem;padding-right:1.25rem;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}</style><style data-emotion="css 1jrfwwl">.css-1jrfwwl{overflow-scrolling:touch;background:linear-gradient(rgb(18, 28, 45) 33%, rgba(20,28,44, 0)),linear-gradient(rgba(20,28,44, 0), rgb(18, 28, 45) 66%) 0 100%,radial-gradient(farthest-side at 50% 100%, rgba(57, 71, 98, 0.5), rgba(0,0,0,0)) 0 100%;background-repeat:no-repeat;-webkit-background-size:100% 15px,100% 15px,100% 5px,100% 5px;background-size:100% 15px,100% 15px,100% 5px,100% 5px;background-attachment:local,local,scroll,scroll;box-sizing:border-box;-webkit-transition:opacity 150ms ease;transition:opacity 150ms ease;max-height:100%;overflow-y:auto;overflow-x:hidden;padding-top:1rem;padding-bottom:1rem;padding-left:1.25rem;padding-right:1.25rem;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}.css-1jrfwwl::-webkit-scrollbar{width:6px;}.css-1jrfwwl::-webkit-scrollbar-track{margin-top:8px;background:rgb(18, 28, 45);}.css-1jrfwwl::-webkit-scrollbar-thumb{background:rgb(57, 71, 98);border-radius:10px;}.css-1jrfwwl::-webkit-scrollbar-thumb:hover{background:rgb(57, 71, 98);}</style><nav data-paste-element="SIDEBAR_NAVIGATION" data-paste-core-version="20.7.0" aria-label="main" id="twilio-docs-sidebar-nav" class="css-1jrfwwl"><style data-emotion="css 4zrz0j">.css-4zrz0j{box-sizing:border-box;font-style:normal;font-weight:400;font-size:0.875rem;line-height:1.25rem;color:rgb(202, 205, 216);-webkit-transition:all 120ms ease;transition:all 120ms ease;border-radius:4px;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:0.5rem;column-gap:0.5rem;outline:none;padding-top:0.5rem;padding-bottom:0.5rem;position:relative;-webkit-text-decoration:none;text-decoration:none;background:none;border:none;overflow:hidden;padding-left:1.5rem;padding-right:0.5rem;margin-bottom:0.5rem;width:100%;}.css-4zrz0j:focus{box-shadow:0 0 0 1px #ffffff,inset 0 0 0 3px rgba(255, 255, 255, 0.2);}.css-4zrz0j:hover{-webkit-text-decoration:underline;text-decoration:underline;}</style><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging" class="css-4zrz0j"><style data-emotion="css qxhhlx">.css-qxhhlx{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-column-gap:0.25rem;column-gap:0.25rem;-webkit-transition:all 120ms ease;transition:all 120ms ease;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;float:none;opacity:1;white-space:normal;}</style><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Programmable Messaging</span></a><style data-emotion="css 17onuso">.css-17onuso{box-sizing:border-box;display:block;margin-bottom:0.5rem;}</style><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><style data-emotion="css 1icrb9o">.css-1icrb9o{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-column-gap:0.5rem;column-gap:0.5rem;}</style><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><style data-emotion="css 1vx51jp">.css-1vx51jp{box-sizing:border-box;font-style:normal;font-weight:400;font-size:0.875rem;line-height:1.25rem;color:rgb(202, 205, 216);-webkit-transition:all 120ms ease;transition:all 120ms ease;border-radius:4px;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:0.25rem;column-gap:0.25rem;outline:none;padding-top:0.5rem;padding-bottom:0.5rem;position:relative;-webkit-text-decoration:none;text-decoration:none;}.css-1vx51jp:focus{box-shadow:0 0 0 1px #ffffff,inset 0 0 0 3px rgba(255, 255, 255, 0.2);}</style><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":Ralamlasm:" class="css-1vx51jp"><style data-emotion="css f76d15">.css-f76d15{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;color:rgb(136, 145, 170);height:1.25rem;width:1.25rem;-webkit-transition:-webkit-transform 150ms ease;transition:transform 150ms ease;-webkit-transform:translateX(0) rotate(0deg);-moz-transform:translateX(0) rotate(0deg);-ms-transform:translateX(0) rotate(0deg);transform:translateX(0) rotate(0deg);}</style><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><style data-emotion="css pft8gl">.css-pft8gl{box-sizing:border-box;line-height:0;display:block;color:inherit;width:1.25rem;height:1.25rem;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;}</style><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9kalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><style data-emotion="css 1m2bqrv">.css-1m2bqrv{box-sizing:border-box;display:block;margin-left:0.25rem;-webkit-transition:all 120ms ease;transition:all 120ms ease;float:none;opacity:1;white-space:normal;}</style><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Getting Started</span></div></div><style data-emotion="css 1nm6rmy">.css-1nm6rmy{box-sizing:border-box;padding-left:1.5rem;color:rgb(202, 205, 216);margin-top:0.25rem;}</style><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":Ralamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><style data-emotion="css q9if6j">.css-q9if6j{box-sizing:border-box;font-style:normal;font-weight:400;font-size:0.75rem;line-height:1.25rem;color:rgb(202, 205, 216);-webkit-transition:all 120ms ease;transition:all 120ms ease;border-radius:4px;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:0.25rem;column-gap:0.25rem;outline:none;padding-top:0.25rem;padding-bottom:0.25rem;position:relative;-webkit-text-decoration:none;text-decoration:none;}.css-q9if6j:focus{box-shadow:0 0 0 1px #ffffff,inset 0 0 0 3px rgba(255, 255, 255, 0.2);}</style><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":Rqkalamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9kqkalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Messaging Onboarding Guides</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":Rqkalamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><style data-emotion="css lafmnu">.css-lafmnu{box-sizing:border-box;font-style:normal;font-weight:400;font-size:0.75rem;line-height:1.25rem;color:rgb(202, 205, 216);-webkit-transition:all 120ms ease;transition:all 120ms ease;border-radius:4px;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:0.5rem;column-gap:0.5rem;outline:none;padding-top:0.25rem;padding-bottom:0.25rem;position:relative;-webkit-text-decoration:none;text-decoration:none;background:none;border:none;overflow:hidden;padding-left:1.75rem;padding-right:0.5rem;margin-bottom:0.25rem;width:100%;}.css-lafmnu:focus{box-shadow:0 0 0 1px #ffffff,inset 0 0 0 3px rgba(255, 255, 255, 0.2);}.css-lafmnu:hover{-webkit-text-decoration:underline;text-decoration:underline;}</style><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/onboarding" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/onboarding/sms-foundations" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">1. SMS Foundations</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/onboarding/prepare-your-sender-strategy" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">2. Prepare your sender strategy</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/onboarding/build-your-account" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">3. Build your Account</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/onboarding/monitor-your-application" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">4. Monitor your application</span></a></div></div><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/usage/tutorials/how-to-use-your-free-trial-account-namer" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">How to work with your Twilio Free Trial account (US only)<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:Rl9akalamlasm:"><title id="LogoTwilioIcon-:Rl9akalamlasm:">Twilio General Usage Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/how-to-use-your-free-trial-account" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">How to work with your Twilio Free Trial account (rest of world)</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/guide-to-using-the-twilio-virtual-phone" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Guide to using the Twilio Virtual Phone</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/send-messages-with-messaging-services" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Messaging Services Quickstart</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/quickstart" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">SMS Quickstarts</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/whatsapp/quickstart" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">WhatsApp Quickstarts<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ProductMessagingIcon-:Rlbqkalamlasm:"><title id="ProductMessagingIcon-:Rlbqkalamlasm:">Twilio WhatsApp Business Platform Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M5.885 17A.867.867 0 015 16.123v-2.158H3.25c-.69 0-1.25-.557-1.25-1.245V5.246C2 4.558 2.56 4 3.25 4h13.5c.69 0 1.25.558 1.25 1.246v7.474c0 .688-.56 1.245-1.25 1.245H9.69l-3.235 2.82a.882.882 0 01-.57.215zM3.25 4.997a.25.25 0 00-.25.249v7.474c0 .137.112.249.25.249H5.5a.497.497 0 01.5.498v2.377l3.165-2.756a.501.501 0 01.335-.12h7.25a.25.25 0 00.25-.248V5.246a.25.25 0 00-.25-.25H3.25z"></path></svg></span></span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":Rilamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9kilamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">API Reference</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":Rilamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">API Overview</span></a><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R1akilamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9lakilamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Message Resource</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R1akilamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/message-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/message-feedback-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">MessageFeedback Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/media-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Media Resource</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R1qkilamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9lqkilamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Service Resource</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R1qkilamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/service-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Service Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/alphasender-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">AlphaSender Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/messaging-service-channelsender-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">ChannelSender Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/phonenumber-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">PhoneNumber Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/services-shortcode-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">ShortCode Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/brand-registration-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">(A2P 10DLC) BrandRegistration Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/brand-vetting-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">(A2P 10DLC) BrandVetting Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/usapptoperson-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">(A2P 10DLC) UsAppToPerson Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/usapptopersonusecase-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">(A2P 10DLC) UsAppToPersonUsecase Resource</span></a></div></div><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/pricing" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Messaging: Country Pricing Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/deactivations-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Deactivations Resource</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/api/short-code-resource" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">ShortCode Resource</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":Rqlamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9kqlamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Preventing Fraud</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":Rqlamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/preventing-messaging-fraud" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Preventing Fraud in Programmable Messaging</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/sms-pumping-protection-programmable-messaging" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">SMS Pumping Protection</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><style data-emotion="css ecye55">.css-ecye55{box-sizing:border-box;font-style:normal;font-weight:600;font-size:0.875rem;line-height:1.25rem;color:rgb(255, 255, 255);-webkit-transition:all 120ms ease;transition:all 120ms ease;border-radius:4px;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:0.25rem;column-gap:0.25rem;outline:none;padding-top:0.5rem;padding-bottom:0.5rem;position:relative;-webkit-text-decoration:none;text-decoration:none;}.css-ecye55:focus{box-shadow:0 0 0 1px #ffffff,inset 0 0 0 3px rgba(255, 255, 255, 0.2);}</style><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="true" aria-controls=":R12lamlasm:" class="css-ecye55"><style data-emotion="css 127bfmf">.css-127bfmf{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;color:rgb(136, 145, 170);height:1.25rem;width:1.25rem;-webkit-transition:-webkit-transform 150ms ease;transition:transform 150ms ease;-webkit-transform:translateX(0) rotate(90deg);-moz-transform:translateX(0) rotate(90deg);-ms-transform:translateX(0) rotate(90deg);transform:translateX(0) rotate(90deg);}</style><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-127bfmf"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9l2lamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Tutorials</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R12lamlasm:" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/how-to-receive-and-reply" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Receive and Reply to Incoming Messages</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/how-to-send-sms-messages" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Send SMS and MMS Messages</span></a><style data-emotion="css bxygmn">.css-bxygmn{box-sizing:border-box;font-style:normal;font-weight:600;font-size:0.75rem;line-height:1.25rem;color:rgb(255, 255, 255);-webkit-transition:all 120ms ease;transition:all 120ms ease;border-radius:4px;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:0.5rem;column-gap:0.5rem;outline:none;padding-top:0.25rem;padding-bottom:0.25rem;position:relative;-webkit-text-decoration:none;text-decoration:none;background:none;border:none;overflow:hidden;padding-left:1.75rem;padding-right:0.5rem;margin-bottom:0.25rem;width:100%;background-color:rgb(31, 48, 76);}.css-bxygmn:focus{box-shadow:0 0 0 1px #ffffff,inset 0 0 0 3px rgba(255, 255, 255, 0.2);}.css-bxygmn:hover{-webkit-text-decoration:underline;text-decoration:underline;}</style><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders" aria-current="page" class="css-bxygmn"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Send Appointment Reminders</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/how-to-retrieve-and-modify-message-history" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Retrieve and Modify Message History</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Browse all Messaging tutorials</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R1alamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9lalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Messaging Services</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R1alamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/services" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/send-messages-with-messaging-services" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Send Messages with Messaging Services</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/advanced-opt-out" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Manage opt-ins and opt-outs</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/best-practices-at-scale" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Best Practices for Scaling with Messaging Services</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/scaling-queueing-latency" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Manage queueing and latency</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/services/alphanumeric-sender-ids-in-messaging-services" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Alphanumeric Sender IDs</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R1ilamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9lilamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Messaging Features</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R1ilamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/deliverability-score" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Deliverability Score</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/intelligent-alerts" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Intelligent Alerts</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/intelligent-discovery-ai-assistant" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Intelligent Discovery AI Assistant</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/link-shortening" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Link Shortening</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/messaging-logs" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Messaging Logs</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/message-scheduling" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Message Scheduling</span></a><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R3qlilamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:R16jbqlilamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Messaging Insights</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R3qlilamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/messaging-insights" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/messaging-insights/dashboards" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Dashboards</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/messaging-insights/sms-pumping-protection-insights" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">SMS Pumping Protection Insights</span></a></div></div><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/multi-tenancy" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Multi-Tenancy</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/recommendations" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Recommendations</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/sms-pumping-protection-programmable-messaging" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">SMS Pumping Protection</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/traffic-shaping" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Traffic Shaping</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/compliance-toolkit" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Compliance Toolkit</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/bulk-upsert-consents-api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Bulk Upsert Consents</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/features/bulk-upsert-contacts-api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Bulk Upsert Contacts</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R1qlamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9lqlamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Usage Guides</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R1qlamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/usage/tutorials/how-to-use-your-free-trial-account-namer" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">How to work with your Twilio Free Trial account (US only)<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:R1agqlqlamlasm:"><title id="LogoTwilioIcon-:R1agqlqlamlasm:">Twilio General Usage Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/how-to-use-your-free-trial-account" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">How to work with your Twilio Free Trial account (rest of world)</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/guide-to-using-the-twilio-virtual-phone" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Guide to using the Twilio Virtual Phone</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/preventing-messaging-fraud" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Preventing Fraud in Programmable Messaging</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/sending-international-sms-guide" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">What to Know Before Sending International SMS Messages</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/sms-geo-permissions" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">SMS Geo Permissions</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/webhook-request" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Twilio's request to your incoming message Webhook URL</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/outbound-message-status-in-status-callbacks" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Outbound Message Status in Status Callbacks</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/track-outbound-message-status" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Track the Message Status of Outbound Messages</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/outbound-message-logging" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Best Practices for Messaging Delivery Status Logging</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/privacy-message-redaction" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Safeguard with Message redaction</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/debugging-common-issues" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Debugging Common Issues with SMS</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/send-message-feedback-to-twilio" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">How to Optimize Message Deliverability with Message Feedback</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/guides/market-throughput-overview" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Market Throughput Overview</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R22lamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9m2lamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">TwiML</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R22lamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/twiml" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/twiml/message" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx"><Message></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/twiml/redirect" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx"><Redirect></span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R2alamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9malamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">US A2P 10DLC</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R2alamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">US A2P 10DLC Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/collect-business-info" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Required Business Information</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/onboarding-for-government-and-non-profit-agencies" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Registration for Government and Non-Profit Agencies</span></a><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R2amalamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9mamalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Register Your Business</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R2amalamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/direct-standard-onboarding" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Direct Standard and Low-Volume Standard Registration</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/direct-sole-proprietor-registration-overview" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Direct Sole Proprietor Registration</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/transition-sole-proprietor-to-standard-brand" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Transition from a Sole Proprietor Brand to a Standard Brand</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R2qmalamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9mqmalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">For ISVs: Register Your Customers</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R2qmalamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/onboarding-isv" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">ISV Onboarding Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/onboarding-isv-api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Standard and Low-Volume Standard Registration</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/onboarding-isv-api-sole-prop-new" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Sole Proprietor Registration</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/externally-registered-campaigns-api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Use Externally Registered Campaigns</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/mock-brand-api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Create Mock Brands and Campaigns</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R3amalamlasm:" class="css-q9if6j"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9namalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Troubleshooting A2P 10DLC Registrations</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R3amalamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-sole-proprietor-brand-registration-failures" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Troubleshooting Sole Proprietor Brand Registration Failures</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-and-rectifying-a2p-standardlvs-brands" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Troubleshooting A2P 10DLC Standard/LVS Brands</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-and-rectifying-a2p-campaigns-1" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Troubleshooting and rectifying Campaigns</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-a2p-phone-number-registration-issues" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Troubleshooting A2P Phone Number registration issues</span></a></div></div><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/a2p-10dlc/event-streams-setup" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Set Up Notifications for A2P 10DLC</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R2ilamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9milamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Toll-Free Verification</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R2ilamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/toll-free/console-onboarding" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Console Onboarding Guide</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/toll-free/api-onboarding" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">REST API Onboarding Guide</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/compliance/toll-free/compliance-embeddable-onboarding" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Compliance Embeddable Onboarding Guide</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R2qlamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9mqlamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Messaging Channels</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R2qlamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/channels" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/whatsapp" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">WhatsApp<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ProductMessagingIcon-:Rl9amqlamlasm:"><title id="ProductMessagingIcon-:Rl9amqlamlasm:">Twilio WhatsApp Business Platform Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M5.885 17A.867.867 0 015 16.123v-2.158H3.25c-.69 0-1.25-.557-1.25-1.245V5.246C2 4.558 2.56 4 3.25 4h13.5c.69 0 1.25.558 1.25 1.246v7.474c0 .688-.56 1.245-1.25 1.245H9.69l-3.235 2.82a.882.882 0 01-.57.215zM3.25 4.997a.25.25 0 00-.25.249v7.474c0 .137.112.249.25.249H5.5a.497.497 0 01.5.498v2.377l3.165-2.756a.501.501 0 01.335-.12h7.25a.25.25 0 00.25-.248V5.246a.25.25 0 00-.25-.25H3.25z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/rcs" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">RCS (Public Beta)<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:Rl9qmqlamlasm:"><title id="LogoTwilioIcon-:Rl9qmqlamlasm:">Twilio RCS Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/channels/facebook-messenger" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Facebook Messenger (Public Beta)</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/messaging/channels/google-business-messages" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Google Business Messages (Public Beta)</span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R32lamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9n2lamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Other Messaging products</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R32lamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/content" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Content Editor: message templates for any messaging channel<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ProductMessagingIcon-:Rakqn2lamlasm:"><title id="ProductMessagingIcon-:Rakqn2lamlasm:">Twilio Content Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M5.885 17A.867.867 0 015 16.123v-2.158H3.25c-.69 0-1.25-.557-1.25-1.245V5.246C2 4.558 2.56 4 3.25 4h13.5c.69 0 1.25.558 1.25 1.246v7.474c0 .688-.56 1.245-1.25 1.245H9.69l-3.235 2.82a.882.882 0 01-.57.215zM3.25 4.997a.25.25 0 00-.25.249v7.474c0 .137.112.249.25.249H5.5a.497.497 0 01.5.498v2.377l3.165-2.756a.501.501 0 01.335-.12h7.25a.25.25 0 00.25-.248V5.246a.25.25 0 00-.25-.25H3.25z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/conversations" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Conversations: two-way messaging<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ProductConversationsIcon-:Ralan2lamlasm:"><title id="ProductConversationsIcon-:Ralan2lamlasm:">Twilio Conversations Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M5.885 18A.864.864 0 015 17.125v-2.152H3.25c-.69 0-1.25-.557-1.25-1.243V6.275c0-.687.56-1.243 1.25-1.243H6a3.75 3.75 0 013.5 2.306l1.935 4.926A2.79 2.79 0 0014 13.979h2.75a.25.25 0 00.25-.249V6.275a.25.25 0 00-.25-.249H14V3.153l-3.17 2.749a.502.502 0 01-.689-.059.495.495 0 01.029-.687l3.375-2.937a.88.88 0 01.944-.14.87.87 0 01.511.8v2.153h1.75c.69 0 1.25.556 1.25 1.243v7.455c0 .686-.56 1.243-1.25 1.243H14a3.8 3.8 0 01-3.5-2.336L8.57 7.71a2.755 2.755 0 00-2.54-1.685H3.25a.25.25 0 00-.25.249v7.455a.25.25 0 00.25.249h2.775v2.873l3.165-2.749a.502.502 0 01.838.268.495.495 0 01-.178.478l-3.395 2.937a.883.883 0 01-.57.214z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/verify" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Verify: user verification and one-time passwords<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ProductVerifyIcon-:Ralqn2lamlasm:"><title id="ProductVerifyIcon-:Ralqn2lamlasm:">Twilio Verify Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M16.75 2.5c.69 0 1.25.553 1.25 1.234v.331c0 .393-.159.77-.44 1.047l-6.675 6.596c-.49.478-1.28.478-1.77 0L6.645 9.27a.491.491 0 010-.7.507.507 0 01.71 0l2.47 2.438a.241.241 0 00.35 0l6.68-6.591a.49.49 0 00.145-.35v-.332a.248.248 0 00-.25-.247H3.25c-.138 0-.25.111-.25.247v5.762a.49.49 0 00.145.35l6.68 6.592a.241.241 0 00.35 0l3.97-3.92a.507.507 0 01.71 0 .491.491 0 010 .701l-3.97 3.92A1.253 1.253 0 0110 17.5a1.253 1.253 0 01-.885-.36L2.44 10.543A1.472 1.472 0 012 9.496V3.734C2 3.053 2.56 2.5 3.25 2.5h13.5zm-.25 6.824c.828 0 1.5.663 1.5 1.48a1.49 1.49 0 01-1.5 1.482 1.49 1.49 0 01-1.5-1.481 1.49 1.49 0 011.5-1.481z"></path></svg></span></span></a></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE" data-paste-core-version="20.7.0" class="css-17onuso"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_WRAPPER" data-paste-core-version="20.7.0" class="css-1icrb9o"><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":R3alamlasm:" class="css-1vx51jp"><span data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_HEADING_EXPAND_ICON" data-paste-core-version="20.7.0" class="css-f76d15"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pft8gl"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" aria-labelledby="ChevronDisclosureIcon-:Rj9nalamlasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M9.707 6.293a1 1 0 00-1.497 1.32l.083.094L10.585 10l-2.292 2.293a1 1 0 00-.083 1.32l.083.094a1 1 0 001.32.083l.094-.083 3-3a1 1 0 00.083-1.32l-.083-.094-3-3z"></path></svg></span></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1m2bqrv">Related docs</span></div></div><div data-paste-element="SIDEBAR_NAVIGATION_DISCLOSURE_CONTENT" data-paste-core-version="20.7.0" id=":R3alamlasm:" hidden="" style="display:none" class="css-1nm6rmy"><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/phone-numbers" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Phone Numbers<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ProductPhoneNumbersIcon-:Rakqnalamlasm:"><title id="ProductPhoneNumbersIcon-:Rakqnalamlasm:">Twilio Phone Numbers Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M11.749 13.562c.273.04.463.299.424.579l-.4 2.923a.503.503 0 01-.493.436h-.07a.51.51 0 01-.424-.58l.399-2.917a.516.516 0 01.193-.342.489.489 0 01.37-.1zM13.159 2.5l.092.005c.275.04.467.301.429.585l-.539 3.964h2.36c.276 0 .499.23.499.513a.506.506 0 01-.499.512h-2.495l-.499 3.59h2.47c.276 0 .5.23.5.513a.506.506 0 01-.5.513H8.376l-.589 4.359a.503.503 0 01-.499.44h-.07a.51.51 0 01-.424-.579l.574-4.22H4.499A.506.506 0 014 12.182c0-.283.223-.513.499-.513h2.994l.499-3.59H4.998a.506.506 0 01-.499-.512c0-.284.223-.513.499-.513H8.14l.55-4.108a.506.506 0 01.568-.44c.276.039.468.3.43.584l-.55 3.964h2.994l.549-4.108a.506.506 0 01.569-.44zm-1.176 5.58H8.99l-.5 3.59h2.994l.5-3.59z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/usage" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">General Usage<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:Ralanalamlasm:"><title id="LogoTwilioIcon-:Ralanalamlasm:">Twilio General Usage Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/iam" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Identity and Access Management (IAM)<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:Ralqnalamlasm:"><title id="LogoTwilioIcon-:Ralqnalamlasm:">Twilio Identity Access Management Documentation</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span></a></div></div></nav></div></aside></div><style data-emotion="css 1tfs3ue">.css-1tfs3ue{box-sizing:border-box;margin-left:0;position:relative;background-color:rgb(255, 255, 255);}@media screen and (min-width: 768px){.css-1tfs3ue{margin-left:15rem;}}</style><div data-paste-element="SIDEBAR_PUSH_CONTENT_WRAPPER" data-paste-core-version="20.7.0" class="css-1tfs3ue"><style data-emotion="css 14kurmn">.css-14kurmn{box-sizing:border-box;width:100%;min-height:4.75rem;background-color:rgb(249, 249, 250);border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(225, 227, 234);padding-left:1.5rem;padding-right:1.5rem;position:-webkit-sticky;position:sticky;top:0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-column-gap:1.5rem;column-gap:1.5rem;z-index:40;}</style><div data-paste-element="TOPBAR" data-paste-core-version="20.7.0" id="twilio-docs-topbar" class="css-14kurmn"><style data-emotion="css 1dkvjfb">.css-1dkvjfb{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:start;-ms-flex-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-flex-wrap:wrap;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:1rem;column-gap:1rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;}@media screen and (min-width: 768px){.css-1dkvjfb{display:none;}}</style><div data-paste-element="TOPBAR_ACTIONS" data-paste-core-version="20.7.0" class="css-1dkvjfb"><style data-emotion="css 1nye0dd">.css-1nye0dd{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;min-width:0;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1nye0dd"><style data-emotion="css 19wcrnc">.css-19wcrnc{position:relative;-webkit-text-decoration:none;text-decoration:none;color:rgb(255, 255, 255);}.css-19wcrnc:hover{-webkit-text-decoration:underline;text-decoration:underline;}.css-19wcrnc:focus{outline:none;box-shadow:0 0 0 2px #ffffff,0 0 0 3px #006dfa,0 0 0 5px #cce4ff;border-radius:2px;}</style><a class="css-19wcrnc" href="/docs"><style data-emotion="css 8jah14">.css-8jah14{box-sizing:border-box;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}</style><span data-paste-element="MEDIA_OBJECT" data-paste-core-version="20.7.0" class="css-8jah14"><style data-emotion="css and4r">.css-and4r{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;margin-right:0.75rem;}</style><span data-paste-element="MEDIA_FIGURE" data-paste-core-version="20.7.0" class="css-and4r"><style data-emotion="css jsh2a3">.css-jsh2a3{box-sizing:border-box;line-height:0;display:block;color:rgb(242, 47, 70);width:2.5rem;height:2.5rem;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;}</style><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-jsh2a3"><svg role="img" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LogoTwilioIcon-:R2da66tasm:"><title id="LogoTwilioIcon-:R2da66tasm:">Twilio Logo</title><path fill="currentColor" fill-rule="evenodd" d="M10 0C4.477 0 0 4.477 0 10s4.477 10 10 10 10-4.477 10-10A10 10 0 0010 0zm0 17.333a7.333 7.333 0 110-14.666 7.333 7.333 0 010 14.666zm4.533-9.8a2.067 2.067 0 11-2.066-2.066 2.08 2.08 0 012.066 2.066zm0 4.934a2.067 2.067 0 11-2.066-2.067 2.08 2.08 0 012.066 2.067zm-4.933 0A2.067 2.067 0 117.533 10.4 2.08 2.08 0 019.6 12.467zm0-4.934a2.067 2.067 0 11-2.067-2.066A2.08 2.08 0 019.6 7.533z"></path></svg></span></span><style data-emotion="css 1i39mnm">.css-1i39mnm{box-sizing:border-box;-webkit-flex:1;-ms-flex:1;flex:1;min-width:0;}</style><span data-paste-element="MEDIA_BODY" data-paste-core-version="20.7.0" class="css-1i39mnm"><style data-emotion="css 7aad9x">.css-7aad9x{margin:0;padding:0;color:rgb(18, 28, 45);font-size:1rem;line-height:1.25rem;}</style><div data-paste-element="TEXT" data-paste-core-version="20.6.0" class="css-7aad9x">Twilio Docs</div></span></span></a></div></div><style data-emotion="css 8o6zg9">.css-8o6zg9{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:end;-ms-flex-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-box-flex-wrap:wrap;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:1rem;column-gap:1rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;}@media screen and (min-width: 768px){.css-8o6zg9{display:none;}}</style><div data-paste-element="TOPBAR_ACTIONS" data-paste-core-version="20.7.0" class="css-8o6zg9"><style data-emotion="css miaxae">.css-miaxae{box-sizing:border-box;min-width:2.25rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-miaxae"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search" disabled=""><span class="DocSearch-Button-Container"><svg width="20" height="20" class="DocSearch-Search-Icon" viewBox="0 0 20 20" aria-hidden="true"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"></span></button></div><style data-emotion="css 1b15v5e">.css-1b15v5e{box-sizing:border-box;width:auto;-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none;appearance:none;background:none;display:inline-block;border:none;outline:none;-webkit-transition:background-color 150ms ease-in,box-shadow 150ms ease-in,color 150ms ease-in;transition:background-color 150ms ease-in,box-shadow 150ms ease-in,color 150ms ease-in;font-family:inherit;font-weight:600;-webkit-text-decoration:none;text-decoration:none;position:relative;margin:0;border-radius:4px;cursor:pointer;color:rgb(18, 28, 45);background-color:rgb(255, 255, 255);box-shadow:0 0 0 1px #cacdd8;padding:0.25rem;}.css-1b15v5e:hover{background-color:rgb(255, 255, 255);box-shadow:0 0 0 1px #006dfa;color:rgb(2, 99, 224);}.css-1b15v5e:focus{-webkit-text-decoration:none;text-decoration:none;box-shadow:0 0 0 1px #cacdd8,0 0 0 3px #ffffff,0 0 0 4px #006dfa,0 0 0 6px #cce4ff;}.css-1b15v5e:active,.css-1b15v5e[data-active=true]{background-color:rgb(255, 255, 255);box-shadow:0 0 0 1px #06033a;color:rgb(6, 3, 58);}.css-1b15v5e:disabled,.css-1b15v5e:disabled:focus,.css-1b15v5e:disabled:hover,.css-1b15v5e[aria-disabled=true],.css-1b15v5e[aria-disabled=true]:focus,.css-1b15v5e[aria-disabled=true]:hover{background-color:rgb(255, 255, 255);box-shadow:0 0 0 1px #e1e3ea;color:rgb(174, 178, 193);}.css-1b15v5e[aria-pressed=true]{background-color:rgb(244, 249, 255);box-shadow:0 0 0 1px #006dfa;color:rgb(2, 99, 224);}.css-1b15v5e[aria-pressed=true]:hover{background-color:rgb(244, 249, 255);box-shadow:0 0 0 1px #030b5d;color:rgb(3, 11, 93);}.css-1b15v5e[aria-pressed=true]:active,.css-1b15v5e[aria-pressed=true][data-active=true]{background-color:rgb(244, 249, 255);box-shadow:0 0 0 1px #06033a;color:rgb(6, 3, 58);}.css-1b15v5e[aria-pressed=true]:focus{background-color:rgb(244, 249, 255);box-shadow:0 0 0 1px #cacdd8,0 0 0 3px #ffffff,0 0 0 4px #006dfa,0 0 0 6px #cce4ff;color:rgb(2, 99, 224);}.css-1b15v5e[aria-pressed=true]:disabled,.css-1b15v5e[aria-pressed=true][aria-disabled=true]{background-color:rgb(225, 227, 234);box-shadow:0 0 0 1px #e1e3ea;color:rgb(255, 255, 255);}</style><button data-paste-element="BUTTON" data-paste-core-version="20.7.0" aria-pressed="true" aria-label="Open main navigation" type="button" aria-busy="false" class="css-1b15v5e"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1lgr57j"><style data-emotion="css 15m1pao">.css-15m1pao{box-sizing:border-box;width:1.75rem;height:1.75rem;position:relative;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-15m1pao"><style data-emotion="css pwk8hy">.css-pwk8hy{position:absolute;width:1rem;height:3px;border-radius:8px;-webkit-transition:-webkit-transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transition:transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transform-origin:left center;background-color:rgb(96, 107, 133);top:7px;left:6px;-webkit-transform:translateX(6px) translateY(4px) rotate(45deg);-moz-transform:translateX(6px) translateY(4px) rotate(45deg);-ms-transform:translateX(6px) translateY(4px) rotate(45deg);transform:translateX(6px) translateY(4px) rotate(45deg);opacity:0;}</style><span color="colorTextIcon" transform="translateX(6px) translateY(4px) rotate(45deg)" opacity="0" class="css-pwk8hy"></span><style data-emotion="css 11r4jzp">.css-11r4jzp{position:absolute;width:1rem;height:3px;border-radius:8px;-webkit-transition:-webkit-transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transition:transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transform-origin:left center;background-color:rgb(96, 107, 133);top:13px;left:6px;-webkit-transform:translateX(2px) translateY(-5px) rotate(45deg);-moz-transform:translateX(2px) translateY(-5px) rotate(45deg);-ms-transform:translateX(2px) translateY(-5px) rotate(45deg);transform:translateX(2px) translateY(-5px) rotate(45deg);}</style><span color="colorTextIcon" transform="translateX(2px) translateY(-5px) rotate(45deg)" class="css-11r4jzp"></span><style data-emotion="css 1j6de5r">.css-1j6de5r{position:absolute;width:1rem;height:3px;border-radius:8px;-webkit-transition:-webkit-transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transition:transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transform-origin:left center;background-color:rgb(96, 107, 133);top:13px;left:6px;-webkit-transform:translateX(2px) translateY(6px) rotate(-45deg);-moz-transform:translateX(2px) translateY(6px) rotate(-45deg);-ms-transform:translateX(2px) translateY(6px) rotate(-45deg);transform:translateX(2px) translateY(6px) rotate(-45deg);}</style><span color="colorTextIcon" transform="translateX(2px) translateY(6px) rotate(-45deg)" class="css-1j6de5r"></span><style data-emotion="css 1odqdkr">.css-1odqdkr{position:absolute;width:1rem;height:3px;border-radius:8px;-webkit-transition:-webkit-transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transition:transform 0.25s ease-in-out,opacity 0.25s ease-in-out;transform-origin:left center;background-color:rgb(96, 107, 133);top:19px;left:6px;-webkit-transform:translateX(6px) translateY(-4px) rotate(-45deg);-moz-transform:translateX(6px) translateY(-4px) rotate(-45deg);-ms-transform:translateX(6px) translateY(-4px) rotate(-45deg);transform:translateX(6px) translateY(-4px) rotate(-45deg);opacity:0;}</style><span color="colorTextIcon" transform="translateX(6px) translateY(-4px) rotate(-45deg)" opacity="0" class="css-1odqdkr"></span></div></span></button></div><style data-emotion="css hemv1x">.css-hemv1x{box-sizing:border-box;display:none;-webkit-box-pack:end;-ms-flex-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-box-flex-wrap:wrap;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:1rem;column-gap:1rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;}@media screen and (min-width: 768px){.css-hemv1x{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}}@media screen and (min-width: 1024px){.css-hemv1x{display:none;}}</style><div data-paste-element="TOPBAR_ACTIONS" data-paste-core-version="20.7.0" class="css-hemv1x"><style data-emotion="css 1grha7z">.css-1grha7z{box-sizing:border-box;min-width:150px;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1grha7z"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search" disabled=""><span class="DocSearch-Button-Container"><svg width="20" height="20" class="DocSearch-Search-Icon" viewBox="0 0 20 20" aria-hidden="true"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"></span></button></div></div><style data-emotion="css iqez3g">.css-iqez3g{box-sizing:border-box;display:none;-webkit-box-pack:start;-ms-flex-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-flex-wrap:wrap;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:1rem;column-gap:1rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;}@media screen and (min-width: 768px){.css-iqez3g{display:none;}}@media screen and (min-width: 1024px){.css-iqez3g{display:none;}}@media screen and (min-width: 1385px){.css-iqez3g{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}}</style><div data-paste-element="TOPBAR_ACTIONS" data-paste-core-version="20.7.0" class="css-iqez3g"><style data-emotion="css dnwo4n">.css-dnwo4n{box-sizing:border-box;margin-bottom:0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;overflow:hidden;}</style><nav data-paste-element="IN_PAGE_NAVIGATION" data-paste-core-version="20.7.0" aria-label="Twilio products" class="css-dnwo4n"><style data-emotion="css ts22oj">.css-ts22oj{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex-wrap:nowrap;-webkit-flex-wrap:nowrap;-ms-flex-wrap:nowrap;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}</style><style data-emotion="css 1ywodxz">.css-1ywodxz{overflow-x:auto;overflow-y:hidden;overflow-scrolling:touch;box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex-wrap:nowrap;-webkit-flex-wrap:nowrap;-ms-flex-wrap:nowrap;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;}@supports (-moz-appearance:none){.css-1ywodxz{padding-bottom:0px;scrollbar-width:none;}}.css-1ywodxz::-webkit-scrollbar{height:0;}.css-1ywodxz::-webkit-scrollbar-track{background:transparent;}</style><div data-paste-element="IN_PAGE_NAVIGATION_SCROLL_WRAPPER" data-paste-core-version="20.7.0" class="css-1ywodxz"><style data-emotion="css v2gylz">.css-v2gylz{box-sizing:border-box;list-style-type:none;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-box-pack:start;-ms-flex-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;padding:0;margin:0;-webkit-column-gap:1rem;column-gap:1rem;border-bottom-width:0;border-bottom-style:none;border-bottom-color:rgb(225, 227, 234);}</style><ul data-paste-element="IN_PAGE_NAVIGATION_ITEMS" data-paste-core-version="20.7.0" class="css-v2gylz"><style data-emotion="css m5glei">.css-m5glei{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;min-width:0;}</style><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><style data-emotion="css 1jrsz7z">.css-1jrsz7z{box-sizing:border-box;color:rgb(96, 107, 133);min-width:3rem;text-align:center;font-size:0.875rem;font-weight:500;overflow:hidden;position:relative;text-overflow:ellipsis;-webkit-transition:border-color 100ms ease,color 100ms ease;transition:border-color 100ms ease,color 100ms ease;white-space:nowrap;-webkit-text-decoration:none;text-decoration:none;width:100%;display:block;border-bottom-color:transparent;border-bottom-style:solid;border-bottom-width:1px;padding-bottom:0.75rem;padding-left:0.5rem;padding-right:0.5rem;padding-top:0.75rem;border-top-left-radius:8px;border-top-right-radius:8px;color:rgb(18, 28, 45);}.css-1jrsz7z:hover{border-bottom-color:rgb(3, 11, 93);border-left-color:rgb(3, 11, 93);color:rgb(3, 11, 93);}.css-1jrsz7z:focus{border-top-left-radius:8px;border-top-right-radius:8px;box-shadow:inset 0 0 0 1px #006dfa,inset 0 0 0 3px #cce4ff;outline:none;}</style><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging" class="css-1jrsz7z">Messaging</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs/voice" class="css-1jrsz7z">Voice</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs/serverless" class="css-1jrsz7z">Serverless</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs/flex" class="css-1jrsz7z">Flex</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs/studio" class="css-1jrsz7z">Studio</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs" class="css-1jrsz7z">All docs...</a></li></ul></div></nav></div><style data-emotion="css sljj2y">.css-sljj2y{box-sizing:border-box;display:none;-webkit-box-pack:end;-ms-flex-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-box-flex-wrap:wrap;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;-webkit-column-gap:1rem;column-gap:1rem;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;}@media screen and (min-width: 768px){.css-sljj2y{display:none;}}@media screen and (min-width: 1024px){.css-sljj2y{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}}</style><div data-paste-element="TOPBAR_ACTIONS" data-paste-core-version="20.7.0" class="css-sljj2y"><nav data-paste-element="IN_PAGE_NAVIGATION" data-paste-core-version="20.7.0" aria-label="Libraries and help" class="css-dnwo4n"><div data-paste-element="IN_PAGE_NAVIGATION_SCROLL_WRAPPER" data-paste-core-version="20.7.0" class="css-1ywodxz"><ul data-paste-element="IN_PAGE_NAVIGATION_ITEMS" data-paste-core-version="20.7.0" class="css-v2gylz"><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" href="/docs/libraries" class="css-1jrsz7z">SDKs</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" rel="noreferrer noopener" target="_blank" href="https://help.twilio.com" class="css-1jrsz7z"><style data-emotion="css sncxrr">.css-sncxrr{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-sncxrr">Help<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LinkExternalIcon-:Ralal6m6tasm:"><title id="LinkExternalIcon-:Ralal6m6tasm:">Help</title><path fill="currentColor" fill-rule="evenodd" d="M8.4 4.5a.5.5 0 01.5.5v.1a.5.5 0 01-.5.5H5.6v8.8h8.8v-2.8a.5.5 0 01.41-.492l.09-.008h.1a.5.5 0 01.492.41l.008.09V15a.5.5 0 01-.41.492L15 15.5H5a.5.5 0 01-.492-.41L4.5 15V5a.5.5 0 01.41-.492L5 4.5h3.4zm6.6 0a.5.5 0 01.5.5v.1l-.001.01.001 3.29a.5.5 0 01-.5.5h-.1a.5.5 0 01-.5-.5l-.001-1.935-3.967 3.967a.611.611 0 01-.78.07l-.084-.07a.611.611 0 01-.07-.78l.07-.084L13.534 5.6H11.6a.5.5 0 01-.5-.5V5a.5.5 0 01.5-.5H15z"></path></svg></span></div></a></li></ul></div></nav><style data-emotion="css inbhe0">.css-inbhe0{box-sizing:border-box;margin-left:1rem;margin-right:1rem;min-width:12rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-inbhe0"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search" disabled=""><span class="DocSearch-Button-Container"><svg width="20" height="20" class="DocSearch-Search-Icon" viewBox="0 0 20 20" aria-hidden="true"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"></span></button></div><nav data-paste-element="IN_PAGE_NAVIGATION" data-paste-core-version="20.7.0" aria-label="Log in or sign up" class="css-dnwo4n"><div data-paste-element="IN_PAGE_NAVIGATION_SCROLL_WRAPPER" data-paste-core-version="20.7.0" class="css-1ywodxz"><ul data-paste-element="IN_PAGE_NAVIGATION_ITEMS" data-paste-core-version="20.7.0" class="css-v2gylz"><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" rel="noreferrer noopener" target="_blank" href="https://www.twilio.com/login" class="css-1jrsz7z">Log in</a></li><li data-paste-element="TOPBAR_NAV_ITEM" data-paste-core-version="20.7.0" class="css-m5glei"><a data-paste-element="TOPBAR_NAV_ITEM_ANCHOR" data-paste-core-version="20.7.0" rel="noreferrer noopener" target="_blank" href="https://www.twilio.com/try-twilio" class="css-1jrsz7z">Sign up</a></li></ul></div></nav></div></div><style data-emotion="css 1o7i3ys">.css-1o7i3ys{box-sizing:border-box;padding-top:1.5rem;padding-left:1.5rem;padding-right:1.5rem;background-color:rgb(255, 255, 255);position:relative;margin-left:auto;margin-right:auto;max-width:77rem;box-sizing:content-box;}@media screen and (min-width: 768px){.css-1o7i3ys{padding-top:2.25rem;padding-left:1.5rem;padding-right:1.5rem;}}@media screen and (min-width: 1024px){.css-1o7i3ys{padding-left:3.25rem;padding-right:3.25rem;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" id="twilio-docs-content-area" class="css-1o7i3ys"><style data-emotion="css 146sg2s">.css-146sg2s{box-sizing:border-box;display:block;-webkit-box-pack:center;-ms-flex-pack:center;-webkit-justify-content:center;justify-content:center;}@media screen and (min-width: 768px){.css-146sg2s{display:block;}}@media screen and (min-width: 1024px){.css-146sg2s{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-146sg2s"><style data-emotion="css 1jcpq9j">.css-1jcpq9j{box-sizing:border-box;display:none;-webkit-order:2;-ms-flex-order:2;order:2;margin-left:4.25rem;width:18.5rem;}@media screen and (min-width: 768px){.css-1jcpq9j{display:none;}}@media screen and (min-width: 1024px){.css-1jcpq9j{display:none;}}@media screen and (min-width: 1385px){.css-1jcpq9j{display:block;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" id="twilio-docs-content-aside-area" class="css-1jcpq9j"><style data-emotion="css 5v6lp">.css-5v6lp{box-sizing:border-box;position:-webkit-sticky;position:sticky;top:100px;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-5v6lp"></div></div><style data-emotion="css 141cahd">.css-141cahd{position:relative;min-width:0;width:100%;word-wrap:break-word;max-width:57.5rem;}.css-141cahd div+hr+section>hr{display:none;}.css-141cahd div+hr+style+section>hr{display:none;}.css-141cahd div+hr+hr{display:none;}.css-141cahd li>div[data-paste-element="BOX"]{margin-top:1.5rem;margin-bottom:1.5rem;}.css-141cahd li>ul,.css-141cahd li>ol,.css-141cahd li>p{margin-top:0;margin-bottom:0;}</style><style data-emotion="css grr5en">.css-grr5en{box-sizing:border-box;position:relative;min-width:0;width:100%;word-wrap:break-word;max-width:57.5rem;}.css-grr5en div+hr+section>hr{display:none;}.css-grr5en div+hr+style+section>hr{display:none;}.css-grr5en div+hr+hr{display:none;}.css-grr5en li>div[data-paste-element="BOX"]{margin-top:1.5rem;margin-bottom:1.5rem;}.css-grr5en li>ul,.css-grr5en li>ol,.css-grr5en li>p{margin-top:0;margin-bottom:0;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-grr5en"><style data-emotion="css m8ey6p">.css-m8ey6p{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-align-items:baseline;-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;-webkit-column-gap:0.75rem;column-gap:0.75rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><style data-emotion="css roynbj">.css-roynbj{box-sizing:border-box;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css 10br7e4">.css-10br7e4{margin:0;padding:0;color:rgb(18, 28, 45);font-size:2rem;line-height:2.5rem;margin-bottom:0;font-weight:600;letter-spacing:-.02em;display:block;}</style><h1 data-paste-element="HEADING" data-paste-core-version="20.6.0" class="css-10br7e4">Send Appointment Reminders</h1></div><style data-emotion="css 7lkj4y">section:focus-within .css-7lkj4y,section:hover .css-7lkj4y{opacity:1;}</style><style data-emotion="css 136zex2">.css-136zex2{box-sizing:border-box;opacity:1;-webkit-transition:opacity 0.25s ease-in-out;transition:opacity 0.25s ease-in-out;}section:focus-within .css-136zex2,section:hover .css-136zex2{opacity:1;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-136zex2"><style data-emotion="css knmi57">.css-knmi57{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-column-gap:0.75rem;column-gap:0.75rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-knmi57"><button data-paste-element="BUTTON" data-paste-core-version="20.7.0" aria-pressed="false" type="button" aria-busy="false" class="css-1b15v5e"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1lgr57j"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" width="100%" height="100%" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg" aria-labelledby="ThumbsUpIcon-:R2cqlaalaatasm:"><title id="ThumbsUpIcon-:R2cqlaalaatasm:">Positive Feedback</title><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M6.5 7.45c.194-.216.406-.451.628-.707.799-.922 1.608-1.972 1.898-2.838.314-.938 1.139-1.487 1.966-1.395a1.57 1.57 0 011.085.621c.277.363.423.85.423 1.43 0 .327-.081.645-.174.924-.062.186-.139.383-.208.56l-.088.226c-.092.245-.15.432-.166.582-.014.134.01.19.033.222l.001.001a.415.415 0 00.1.058 1.9 1.9 0 00.371.11c.32.068.725.106 1.152.124.632.026 1.237.01 1.634-.002.147-.004.265-.008.345-.008.25 0 .731.008 1.158.218.224.11.443.28.603.537.159.256.239.567.239.924 0 1.218-.524 3.647-1.553 5.695-.31.616-.693.885-1.18 1.193-.574.364-1.145.575-1.767.575h-3c-1.116 0-2.204-.418-3.002-.883a6.393 6.393 0 01-.498-.322v.372a.5.5 0 01-.5.5H3a.5.5 0 01-.5-.5V7a.5.5 0 01.5-.5h3a.5.5 0 01.5.5v.45zm3.474-3.228c.186-.554.611-.751.909-.718a.57.57 0 01.399.233c.114.15.218.409.218.824 0 .17-.044.37-.123.61a9.287 9.287 0 01-.177.474c-.034.087-.07.177-.105.273-.095.252-.194.542-.225.827-.032.297.005.636.23.935.135.178.322.291.491.367.175.078.372.134.571.176.4.084.869.125 1.317.144.676.028 1.382.008 1.767-.003.118-.003.206-.006.254-.006.25 0 .519.018.717.115.088.044.15.098.194.168.044.07.089.19.089.396 0 1.04-.476 3.316-1.447 5.246-.184.367-.375.516-.82.797-.468.296-.855.42-1.233.42h-3c-.884 0-1.796-.338-2.498-.747a4.464 4.464 0 01-.813-.591 1.36 1.36 0 01-.184-.207l-.005-.008V8.968a7.331 7.331 0 01.329-.39l.308-.343c.223-.246.483-.534.746-.837.788-.909 1.73-2.097 2.091-3.176zM5.5 7.5h-2v7.667h2V7.5z"></path></svg></span></span></button><button data-paste-element="BUTTON" data-paste-core-version="20.7.0" aria-pressed="false" type="button" aria-busy="false" class="css-1b15v5e"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1lgr57j"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" width="100%" height="100%" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg" aria-labelledby="ThumbsDownIcon-:R2dalaalaatasm:"><title id="ThumbsDownIcon-:R2dalaalaatasm:">Negative Feedback</title><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M13.5 12.55c-.194.215-.406.451-.628.707-.799.921-1.608 1.972-1.898 2.838-.314.938-1.139 1.487-1.966 1.395a1.57 1.57 0 01-1.085-.621c-.277-.363-.423-.85-.423-1.43 0-.327.081-.645.174-.924.062-.186.139-.383.208-.56l.088-.226c.092-.245.15-.432.166-.582.014-.134-.01-.19-.033-.222l-.001-.001a.416.416 0 00-.1-.058 1.902 1.902 0 00-.371-.11 7.35 7.35 0 00-1.152-.124 22.958 22.958 0 00-1.634.002 14.2 14.2 0 01-.345.008c-.25 0-.731-.008-1.158-.218a1.451 1.451 0 01-.603-.537c-.159-.257-.239-.567-.239-.924 0-1.218.524-3.648 1.553-5.696.31-.616.693-.884 1.18-1.192C5.807 3.71 6.378 3.5 7 3.5h3c1.116 0 2.204.417 3.002.883.178.104.345.212.498.321v-.37a.5.5 0 01.5-.5h3a.5.5 0 01.5.5V13a.5.5 0 01-.5.5h-3a.5.5 0 01-.5-.5v-.45zm-3.474 3.227c-.186.554-.611.752-.909.72a.571.571 0 01-.399-.234c-.114-.15-.218-.409-.218-.824a2 2 0 01.123-.61c.054-.16.113-.312.177-.475.034-.086.07-.176.105-.272.095-.252.194-.542.225-.828.032-.296-.005-.635-.23-.934a1.23 1.23 0 00-.491-.367 2.874 2.874 0 00-.571-.176 8.31 8.31 0 00-1.317-.144c-.676-.029-1.381-.008-1.767.003-.118.003-.206.006-.254.006-.25 0-.519-.018-.717-.115a.452.452 0 01-.194-.168c-.044-.07-.089-.19-.089-.396 0-1.04.476-3.316 1.447-5.247.184-.366.375-.515.82-.796.468-.296.855-.42 1.233-.42h3c.884 0 1.796.337 2.498.747.349.203.628.414.813.59.093.09.152.16.184.208l.005.007v4.98a7.245 7.245 0 01-.329.39 54.1 54.1 0 01-.308.342c-.223.247-.483.534-.746.838-.788.909-1.73 2.096-2.091 3.175zM14.5 12.5h2V4.833h-2V12.5z"></path></svg></span></span></button></div></div></div><style data-emotion="css 1y5brhz">.css-1y5brhz{box-sizing:border-box;margin:0;margin-bottom:2.25rem;margin-top:2.25rem;border-width:0;border-color:rgb(225, 227, 234);border-style:solid;border-bottom-width:1px;width:auto;}</style><hr data-paste-element="SEPARATOR" data-paste-core-version="20.7.0" aria-orientation="horizontal" class="css-1y5brhz"/><style data-emotion="css irnnze">.css-irnnze{margin-top:1.5rem;margin-bottom:1.5rem;}.css-irnnze h1,.css-irnnze h2,.css-irnnze h3,.css-irnnze h4,.css-irnnze h5,.css-irnnze h6,.css-irnnze p,.css-irnnze li,.css-irnnze ul,.css-irnnze ol,.css-irnnze [data-paste-element=DISCLOSURE] span[data-paste-element=HEADING]{color:inherit;}[data-paste-element=HORIZONTAL_TAB_PANEL] .css-irnnze{margin-top:0;}</style><style data-emotion="css rj5eb">.css-rj5eb{box-sizing:border-box;margin-top:1.5rem;margin-bottom:1.5rem;}.css-rj5eb h1,.css-rj5eb h2,.css-rj5eb h3,.css-rj5eb h4,.css-rj5eb h5,.css-rj5eb h6,.css-rj5eb p,.css-rj5eb li,.css-rj5eb ul,.css-rj5eb ol,.css-rj5eb [data-paste-element=DISCLOSURE] span[data-paste-element=HEADING]{color:inherit;}[data-paste-element=HORIZONTAL_TAB_PANEL] .css-rj5eb{margin-top:0;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-rj5eb"><style data-emotion="css 1v816ix">.css-1v816ix{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;padding:1.5rem;border-left-style:solid;border-left-width:2px;-webkit-align-items:start;-webkit-box-align:start;-ms-flex-align:start;align-items:start;-webkit-column-gap:1rem;column-gap:1rem;background-color:rgb(249, 249, 250);color:rgb(3, 11, 93);border-color:rgb(102, 179, 255);}</style><div data-paste-element="CALLOUT" data-paste-core-version="20.7.0" class="css-1v816ix"><div data-paste-element="CALLOUT_ICON" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css 1cst9vu">.css-1cst9vu{box-sizing:border-box;line-height:0;display:block;color:rgb(3, 11, 93);width:1.25rem;height:1.25rem;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;}</style><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-1cst9vu"><svg role="img" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="NeutralIcon-:R6d8claatasm:"><path fill="currentColor" fill-rule="evenodd" d="M10 2a8 8 0 110 16 8 8 0 010-16zm0 7c-.26.01-.528.08-.707.24-.178.158-.292.355-.292.575v3.37c0 .21.11.428.292.577.173.14.457.247.707.237.26-.008.528-.078.707-.237.178-.16.292-.355.292-.577v-3.37a.766.766 0 00-.292-.575A1.14 1.14 0 0010 9zm0-3l-.266.036c-.17.047-.318.131-.441.253l-.156.198A.958.958 0 009 6.98v.04a.728.728 0 00.086.378c.04.121.108.227.206.315.09.094.197.163.321.202.12.06.248.09.386.084l.266-.035c.17-.047.318-.131.441-.253l.156-.198A.958.958 0 0011 7.02v-.04a.728.728 0 00-.086-.378.721.721 0 00-.206-.315.757.757 0 00-.321-.202.767.767 0 00-.386-.084z"></path></svg></span><style data-emotion="css 1cbdvo6">.css-1cbdvo6{box-sizing:border-box;border:none;clip:rect(0 0 0 0);height:1px;margin:-0.125rem;overflow:hidden;padding:0;position:absolute;text-transform:none;white-space:nowrap;width:1px;}</style><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1cbdvo6">(information)</span></div><style data-emotion="css fkfdww">.css-fkfdww{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;row-gap:0.5rem;-webkit-flex:1;-ms-flex:1;flex:1;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-fkfdww"><style data-emotion="css kevsq9">.css-kevsq9{margin:0;padding:0;color:currentColor;font-size:0.875rem;line-height:1.25rem;font-weight:600;}</style><h2 data-paste-element="CALLOUT_HEADING" data-paste-core-version="20.6.0" class="css-kevsq9">Info</h2><style data-emotion="css 8tmauh">.css-8tmauh{display:grid;grid-gap:0;word-break:break-word;}.css-8tmauh >:last-child{margin-bottom:0;}.css-8tmauh ul,.css-8tmauh ol{margin-top:-0.5rem;}</style><style data-emotion="css 1ircowi">.css-1ircowi{box-sizing:border-box;display:grid;grid-gap:0;word-break:break-word;}.css-1ircowi >:last-child{margin-bottom:0;}.css-1ircowi ul,.css-1ircowi ol{margin-top:-0.5rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1ircowi"><style data-emotion="css tcah8o">.css-tcah8o{margin:0;padding:0;color:rgb(18, 28, 45);font-size:0.875rem;line-height:1.5rem;font-weight:400;margin-bottom:1.5rem;}</style><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Ahoy! We now recommend you build your appointment reminders with Twilio's built-in Message Scheduling functionality. Head on over to the <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/features/message-scheduling" title="Message Scheduling documentation" class="css-lpeit6">Message Scheduling documentation</a> to learn more about scheduling messages.</p></div></div></div></div> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Appointment reminders allow you to automate the process of reaching out to your customers in advance of an upcoming appointment. In this tutorial, you'll learn how to implement appointment reminders at the moment the appointment is created.</p> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">We will be working through a series of <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="http://en.wikipedia.org/wiki/User_story" rel="noreferrer noopener" target="_blank" title="user stories" class="css-lpeit6"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">user stories<style data-emotion="css 1ezs782">.css-1ezs782{box-sizing:border-box;display:inline-block;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;vertical-align:middle;}</style><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1ezs782"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LinkExternalIcon-:Ral9claatasm:"><title id="LinkExternalIcon-:Ral9claatasm:">(link takes you to an external page)</title><path fill="currentColor" fill-rule="evenodd" d="M8.4 4.5a.5.5 0 01.5.5v.1a.5.5 0 01-.5.5H5.6v8.8h8.8v-2.8a.5.5 0 01.41-.492l.09-.008h.1a.5.5 0 01.492.41l.008.09V15a.5.5 0 01-.41.492L15 15.5H5a.5.5 0 01-.492-.41L4.5 15V5a.5.5 0 01.41-.492L5 4.5h3.4zm6.6 0a.5.5 0 01.5.5v.1l-.001.01.001 3.29a.5.5 0 01-.5.5h-.1a.5.5 0 01-.5-.5l-.001-1.935-3.967 3.967a.611.611 0 01-.78.07l-.084-.07a.611.611 0 01-.07-.78l.07-.084L13.534 5.6H11.6a.5.5 0 01-.5-.5V5a.5.5 0 01.5-.5H15z"></path></svg></span></span></span></a> that describe how to fully implement appointment reminders in a web application. We'll walk through the code required to satisfy each story, and explore what we needed to add on each step.</p> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">All this can be done with the help of Twilio in under half an hour.</p> <div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-rj5eb"><div data-paste-element="CALLOUT" data-paste-core-version="20.7.0" class="css-1v816ix"><div data-paste-element="CALLOUT_ICON" data-paste-core-version="20.7.0" class="css-roynbj"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-1cst9vu"><svg role="img" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="NeutralIcon-:R6daclaatasm:"><path fill="currentColor" fill-rule="evenodd" d="M10 2a8 8 0 110 16 8 8 0 010-16zm0 7c-.26.01-.528.08-.707.24-.178.158-.292.355-.292.575v3.37c0 .21.11.428.292.577.173.14.457.247.707.237.26-.008.528-.078.707-.237.178-.16.292-.355.292-.577v-3.37a.766.766 0 00-.292-.575A1.14 1.14 0 0010 9zm0-3l-.266.036c-.17.047-.318.131-.441.253l-.156.198A.958.958 0 009 6.98v.04a.728.728 0 00.086.378c.04.121.108.227.206.315.09.094.197.163.321.202.12.06.248.09.386.084l.266-.035c.17-.047.318-.131.441-.253l.156-.198A.958.958 0 0011 7.02v-.04a.728.728 0 00-.086-.378.721.721 0 00-.206-.315.757.757 0 00-.321-.202.767.767 0 00-.386-.084z"></path></svg></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1cbdvo6">(information)</span></div><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-fkfdww"><h2 data-paste-element="CALLOUT_HEADING" data-paste-core-version="20.6.0" class="css-kevsq9">Info</h2><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1ircowi"><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Find your language and framework of choice below to get to the source code in your language and learn how to build an appointment reminders app!</p></div></div></div></div> <style data-emotion="css 1bt452l">.css-1bt452l{margin:0;padding:0;color:rgb(18, 28, 45);font-size:0.875rem;line-height:1.5rem;margin-bottom:1.5rem;font-weight:400;margin-left:1.5rem;list-style-type:disc;}</style><ul data-paste-element="UNORDERED_LIST" data-paste-core-version="20.6.0" class="css-1bt452l"> <style data-emotion="css 1pp5a8v">.css-1pp5a8v{margin:0;padding:0;color:rgb(18, 28, 45);font-size:0.875rem;line-height:1.5rem;font-weight:400;margin-bottom:0.5rem;margin-top:0.5rem;}</style><li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/csharp" title="C# & ASP.NET MVC" class="css-lpeit6">C# & ASP.NET MVC</a></strong></li> <li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/java" title="Java & Spark" class="css-lpeit6">Java & Spark</a></strong></li> <li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/node" title="Node & Express" class="css-lpeit6">Node & Express</a></strong></li> <li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/php" title="PHP & Laravel" class="css-lpeit6">PHP & Laravel</a></strong></li> <li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/python-django" title="Python & Django" class="css-lpeit6">Python & Django</a></strong></li> <li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/python" title="Python & Flask" class="css-lpeit6">Python & Flask</a></strong></li> <li data-paste-element="LIST_ITEM" data-paste-core-version="20.6.0" class="css-1pp5a8v"><strong><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/messaging/tutorials/appointment-reminders/ruby" title="Ruby & Rails" class="css-lpeit6">Ruby & Rails</a></strong></li> </ul> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Happy building!</p> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Twilio customers use appointment reminders to reduce no-shows and ensure customers have everything they need in advance of an appointment. Whether you're a dentist, doctor, cable company, or car repair shop, you can use automated appointment reminders to save time and money.</p></div></div></div><style data-emotion="css n7gvag">.css-n7gvag{box-sizing:border-box;margin-top:2rem;margin-bottom:2rem;margin-left:1.75rem;margin-right:1.75rem;padding-top:4.75rem;position:relative;}@media screen and (min-width: 768px){.css-n7gvag{margin-top:2rem;margin-bottom:2rem;margin-left:1.75rem;margin-right:1.75rem;}}@media screen and (min-width: 1024px){.css-n7gvag{margin-top:3rem;margin-bottom:3rem;margin-left:2.25rem;margin-right:2.25rem;}}@media screen and (min-width: 1385px){.css-n7gvag{margin-left:2.75rem;margin-right:2.75rem;}}</style><footer data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-n7gvag"><style data-emotion="css pg6uce">.css-pg6uce{box-sizing:border-box;border-radius:4px;background-color:rgb(18, 28, 45);margin-top:0;padding-top:0;}@media screen and (min-width: 768px){.css-pg6uce{margin-top:0;padding-top:0;}}@media screen and (min-width: 1024px){.css-pg6uce{margin-top:0;padding-top:0;}}@media screen and (min-width: 1385px){.css-pg6uce{margin-top:0;padding-top:0;}}@media screen and (min-width: 1942px){.css-pg6uce{margin-top:4.75rem;padding-top:4.75rem;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-pg6uce"><style data-emotion="css wzkleb">.css-wzkleb{box-sizing:border-box;max-width:77rem;padding:2rem;margin-top:0.125rem;margin-left:auto;margin-right:auto;position:relative;}@media screen and (min-width: 768px){.css-wzkleb{padding:4.25rem;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-wzkleb"><style data-emotion="css 1xkeua1">.css-1xkeua1{box-sizing:border-box;display:none;right:0;position:absolute;}@media screen and (min-width: 768px){.css-1xkeua1{display:none;}}@media screen and (min-width: 1024px){.css-1xkeua1{display:none;}}@media screen and (min-width: 1385px){.css-1xkeua1{display:block;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1xkeua1"><img aria-hidden="true" role="img" alt="" loading="lazy" width="460" height="324" decoding="async" data-nimg="1" style="color:transparent" src="/_next/static/media/footer-min.eb6c3e3d.svg"/></div><style data-emotion="css 1bt0omd">.css-1bt0omd{box-sizing:border-box;position:relative;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1bt0omd"><style data-emotion="css 1uxvx9z">.css-1uxvx9z{box-sizing:border-box;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;margin-bottom:1.75rem;text-align:center;}@media screen and (min-width: 768px){.css-1uxvx9z{-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;text-align:left;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1uxvx9z"><style data-emotion="css 1aljbmp">.css-1aljbmp{margin:0;padding:0;color:rgb(255, 255, 255);font-size:1.25rem;line-height:1.75rem;font-family:'TwilioSansDisplay','Inter var experimental','Inter var',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen-Sans,Ubuntu,Cantarell,'Helvetica Neue',sans-serif;font-weight:800;margin-top:0.75rem;}@media screen and (min-width: 768px){.css-1aljbmp{font-size:2rem;line-height:2.5rem;margin-top:0;}}</style><h2 data-paste-element="TEXT" data-paste-core-version="20.6.0" class="css-1aljbmp">Need some help?</h2></div><style data-emotion="css 1hxyz3w">.css-1hxyz3w{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;text-align:center;}@media screen and (min-width: 768px){.css-1hxyz3w{-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;text-align:left;}}</style><nav data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1hxyz3w"><style data-emotion="css 1b5a60l">.css-1b5a60l{box-sizing:border-box;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;margin-bottom:1.25rem;margin-right:0;max-width:100%;}@media screen and (min-width: 768px){.css-1b5a60l{-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;margin-right:3rem;max-width:100%;}}@media screen and (min-width: 1024px){.css-1b5a60l{-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;max-width:100%;}}@media screen and (min-width: 1385px){.css-1b5a60l{-webkit-box-flex:0;-webkit-flex-grow:0;-ms-flex-positive:0;flex-grow:0;max-width:calc(100% - 28rem);}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1b5a60l"><style data-emotion="css w6f2uy">.css-w6f2uy{margin:0;padding:0;color:rgb(255, 255, 255);font-size:1rem;line-height:1.25rem;}</style><p data-paste-element="TEXT" data-paste-core-version="20.6.0" class="css-w6f2uy">We all do sometimes; code is hard. Get help now from our <style data-emotion="css 1az6u6g">.css-1az6u6g{box-sizing:border-box;color:rgb(255, 255, 255);font-size:inherit;font-weight:inherit;line-height:inherit;outline:none;-webkit-text-decoration:underline;text-decoration:underline;}.css-1az6u6g:active,.css-1az6u6g[data-active=true]{color:rgb(255, 255, 255);-webkit-text-decoration:none;text-decoration:none;}.css-1az6u6g:focus{box-shadow:0 0 0 1px #394762,0 0 0 3px #121c2d,0 0 0 4px #ffffff,0 0 0 6px rgba(255, 255, 255, 0.2);color:rgb(255, 255, 255);-webkit-text-decoration:underline;text-decoration:underline;border-radius:4px;}.css-1az6u6g:hover{color:rgb(255, 255, 255);-webkit-text-decoration:none;text-decoration:none;}</style><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="https://help.twilio.com" rel="noreferrer noopener" target="_blank" title="support team" class="css-1az6u6g"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">support team<span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1ezs782"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LinkExternalIcon-:Rl9ailaetasm:"><title id="LinkExternalIcon-:Rl9ailaetasm:">(link takes you to an external page)</title><path fill="currentColor" fill-rule="evenodd" d="M8.4 4.5a.5.5 0 01.5.5v.1a.5.5 0 01-.5.5H5.6v8.8h8.8v-2.8a.5.5 0 01.41-.492l.09-.008h.1a.5.5 0 01.492.41l.008.09V15a.5.5 0 01-.41.492L15 15.5H5a.5.5 0 01-.492-.41L4.5 15V5a.5.5 0 01.41-.492L5 4.5h3.4zm6.6 0a.5.5 0 01.5.5v.1l-.001.01.001 3.29a.5.5 0 01-.5.5h-.1a.5.5 0 01-.5-.5l-.001-1.935-3.967 3.967a.611.611 0 01-.78.07l-.084-.07a.611.611 0 01-.07-.78l.07-.084L13.534 5.6H11.6a.5.5 0 01-.5-.5V5a.5.5 0 01.5-.5H15z"></path></svg></span></span></span></a>, or lean on the wisdom of the crowd by visiting Twilio's <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="https://stackoverflow.com/collectives/twilio" rel="noreferrer noopener" target="_blank" title="Stack Overflow Collective" class="css-1az6u6g"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">Stack Overflow Collective<span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1ezs782"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LinkExternalIcon-:Rlaailaetasm:"><title id="LinkExternalIcon-:Rlaailaetasm:">(link takes you to an external page)</title><path fill="currentColor" fill-rule="evenodd" d="M8.4 4.5a.5.5 0 01.5.5v.1a.5.5 0 01-.5.5H5.6v8.8h8.8v-2.8a.5.5 0 01.41-.492l.09-.008h.1a.5.5 0 01.492.41l.008.09V15a.5.5 0 01-.41.492L15 15.5H5a.5.5 0 01-.492-.41L4.5 15V5a.5.5 0 01.41-.492L5 4.5h3.4zm6.6 0a.5.5 0 01.5.5v.1l-.001.01.001 3.29a.5.5 0 01-.5.5h-.1a.5.5 0 01-.5-.5l-.001-1.935-3.967 3.967a.611.611 0 01-.78.07l-.084-.07a.611.611 0 01-.07-.78l.07-.084L13.534 5.6H11.6a.5.5 0 01-.5-.5V5a.5.5 0 01.5-.5H15z"></path></svg></span></span></span></a> or browsing the <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="https://stackoverflow.com/questions/tagged/twilio" rel="noreferrer noopener" target="_blank" title="Twilio tag" class="css-1az6u6g"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">Twilio tag<span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1ezs782"><span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="false" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="LinkExternalIcon-:Rlbailaetasm:"><title id="LinkExternalIcon-:Rlbailaetasm:">(link takes you to an external page)</title><path fill="currentColor" fill-rule="evenodd" d="M8.4 4.5a.5.5 0 01.5.5v.1a.5.5 0 01-.5.5H5.6v8.8h8.8v-2.8a.5.5 0 01.41-.492l.09-.008h.1a.5.5 0 01.492.41l.008.09V15a.5.5 0 01-.41.492L15 15.5H5a.5.5 0 01-.492-.41L4.5 15V5a.5.5 0 01.41-.492L5 4.5h3.4zm6.6 0a.5.5 0 01.5.5v.1l-.001.01.001 3.29a.5.5 0 01-.5.5h-.1a.5.5 0 01-.5-.5l-.001-1.935-3.967 3.967a.611.611 0 01-.78.07l-.084-.07a.611.611 0 01-.07-.78l.07-.084L13.534 5.6H11.6a.5.5 0 01-.5-.5V5a.5.5 0 01.5-.5H15z"></path></svg></span></span></span></a> on Stack Overflow.</p></div></nav><style data-emotion="css 1o3xt00">.css-1o3xt00{box-sizing:border-box;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;margin-top:2.75rem;text-align:center;}@media screen and (min-width: 768px){.css-1o3xt00{-webkit-flex-direction:row;-ms-flex-direction:row;flex-direction:row;text-align:left;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1o3xt00"><style data-emotion="css 2ch0jy">.css-2ch0jy{box-sizing:border-box;display:block;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-flex-wrap:wrap;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;}@media screen and (min-width: 768px){.css-2ch0jy{display:block;}}@media screen and (min-width: 1024px){.css-2ch0jy{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;}}</style><div data-paste-element="STACK" data-paste-core-version="20.7.0" class="css-2ch0jy"><style data-emotion="css 1hsc1sb">.css-1hsc1sb{box-sizing:border-box;margin-right:0;margin-bottom:1.25rem;}@media screen and (min-width: 768px){.css-1hsc1sb{margin-right:0;margin-bottom:1.25rem;}}@media screen and (min-width: 1024px){.css-1hsc1sb{margin-right:1.25rem;margin-bottom:0;}}</style><div data-paste-element="STACK_CHILD" data-paste-core-version="20.7.0" class="css-1hsc1sb"><style data-emotion="css 6i08t">.css-6i08t{color:rgb(255, 255, 255);}</style><a class="css-6i08t" href="/en-us/legal/tos">Terms of service</a></div><div data-paste-element="STACK_CHILD" data-paste-core-version="20.7.0" class="css-1hsc1sb"><a class="css-6i08t" href="/en-us/legal/privacy">Privacy Policy</a></div><div data-paste-element="STACK_CHILD" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css g9v2ra">.css-g9v2ra{margin:0;padding:0;color:rgb(255, 255, 255);font-size:0.875rem;line-height:1.25rem;}</style><p data-paste-element="TEXT" data-paste-core-version="20.6.0" class="css-g9v2ra">Copyright © 2025 Twilio Inc.</p></div></div></div><style data-emotion="css 1gyumqz">.css-1gyumqz{box-sizing:border-box;margin-top:2.75rem;text-align:center;}@media screen and (min-width: 768px){.css-1gyumqz{text-align:left;}}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1gyumqz"><a href="https://twilio.com/" aria-label="Go to Twilio homepage"><span style="color:rgb(255, 255, 255);width:5.5rem;height:1.5rem;display:inline-block"><svg aria-hidden="true" aria-labelledby=":Rklaetasm:" height="100%" role="img" viewBox="0 0 88 24" width="100%"><title id=":Rklaetasm:">Twilio</title><path fill="currentColor" d="M11.52 9.04c0 1.36-1.12 2.48-2.48 2.48-1.36 0-2.48-1.12-2.48-2.48 0-1.36 1.12-2.48 2.48-2.48 1.36 0 2.48 1.12 2.48 2.48zm-2.48 3.44c-1.36 0-2.48 1.12-2.48 2.48 0 1.36 1.12 2.48 2.48 2.48 1.36 0 2.48-1.12 2.48-2.48 0-1.36-1.12-2.48-2.48-2.48zM24 12c0 6.64-5.36 12-12 12S0 18.64 0 12 5.36 0 12 0s12 5.36 12 12zm-3.2 0c0-4.88-3.92-8.8-8.8-8.8-4.88 0-8.8 3.92-8.8 8.8 0 4.88 3.92 8.8 8.8 8.8 4.88 0 8.8-3.92 8.8-8.8zm-5.84.48c-1.36 0-2.48 1.12-2.48 2.48 0 1.36 1.12 2.48 2.48 2.48 1.36 0 2.48-1.12 2.48-2.48 0-1.36-1.12-2.48-2.48-2.48zm0-5.92c-1.36 0-2.48 1.12-2.48 2.48 0 1.36 1.12 2.48 2.48 2.48 1.36 0 2.48-1.12 2.48-2.48 0-1.36-1.12-2.48-2.48-2.48zm41.28-1.84c.08 0 .16.08.24.16v2.56c0 .16-.16.24-.24.24H52c-.16 0-.24-.16-.24-.24V4.96c0-.16.16-.24.24-.24h4.24zm-.08 3.6H48c-.08 0-.24.08-.24.24l-1.04 4-.08.24-1.28-4.24c0-.08-.16-.24-.24-.24h-3.2c-.08 0-.24.08-.24.24l-1.2 4-.08.24-.08-.24-.48-2-.48-2c0-.08-.16-.24-.24-.24h-6.4V4.88c0-.08-.16-.24-.32-.16L28.4 6c-.16 0-.24.08-.24.24V8.4h-1.04c-.08 0-.24.08-.24.24v3.04c0 .08.08.24.24.24h1.04v3.76c0 2.64 1.44 3.84 4.08 3.84 1.12 0 2.16-.24 2.88-.64v-3.2c0-.16-.16-.24-.24-.16-.4.16-.8.24-1.12.24-.72 0-1.12-.32-1.12-1.12v-2.72h2.32c.08 0 .24-.08.24-.24V9.12l3.04 10.08c0 .08.16.24.24.24h3.36c.08 0 .24-.08.24-.24l1.44-4.48.72 2.32.64 2.16c0 .08.16.24.24.24h3.36c.08 0 .24-.08.24-.24l3.04-10.08V19.2c0 .08.08.24.24.24h4.08c.08 0 .24-.08.24-.24V8.56c0-.08-.08-.24-.16-.24zm5.36-3.6h-4.08c-.08 0-.24.08-.24.24v14.16c0 .08.08.24.24.24h4.08c.08 0 .24-.08.24-.24V4.88c0-.08-.08-.16-.24-.16zm5.44 0h-4.24c-.08 0-.24.08-.24.24v2.48c0 .08.08.24.24.24h4.24c.08 0 .24-.08.24-.24V4.88c0-.08-.08-.16-.24-.16zm-.08 3.6H62.8c-.08 0-.24.08-.24.24v10.48c0 .08.08.24.24.24h4.08c.08 0 .24-.08.24-.24V8.56c0-.08-.08-.24-.24-.24zm12.88 5.44c0 3.04-2.56 5.68-6.16 5.68-3.52 0-6.08-2.64-6.08-5.68 0-3.04 2.56-5.68 6.16-5.68 3.52 0 6.08 2.64 6.08 5.68zm-4.32.08c0-1.12-.8-2-1.76-1.92-1.04 0-1.76.88-1.76 1.92s.8 1.92 1.76 1.92c1.04 0 1.76-.88 1.76-1.92z"></path></svg></span></a></div></div></div></div></footer></div></div></div></div><div id="consent_blackbar"></div><div id="teconsent" style="position:fixed;bottom:0;right:0;z-index:30"></div><script id="__NEXT_DATA__" type="application/json">{"props":{"pageProps":{"source":{"compiledSource":"\"use strict\";\nconst {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0];\nconst {useMDXComponents: _provideComponents} = arguments[0];\nfunction _createMdxContent(props) {\n const _components = {\n a: \"a\",\n li: \"li\",\n p: \"p\",\n strong: \"strong\",\n ul: \"ul\",\n ..._provideComponents(),\n ...props.components\n }, {Info} = _components;\n if (!Info) _missingMdxReference(\"Info\", true);\n return _jsxs(_Fragment, {\n children: [_jsx(Info, {\n children: _jsxs(_components.p, {\n children: [\"Ahoy! We now recommend you build your appointment reminders with Twilio's built-in Message Scheduling functionality. Head on over to the \", _jsx(_components.a, {\n href: \"/docs/messaging/features/message-scheduling\",\n children: \"Message Scheduling documentation\"\n }), \" to learn more about scheduling messages.\"]\n })\n }), \"\\n\", _jsx(_components.p, {\n children: \"Appointment reminders allow you to automate the process of reaching out to your customers in advance of an upcoming appointment. In this tutorial, you'll learn how to implement appointment reminders at the moment the appointment is created.\"\n }), \"\\n\", _jsxs(_components.p, {\n children: [\"We will be working through a series of \", _jsx(_components.a, {\n href: \"http://en.wikipedia.org/wiki/User_story\",\n children: \"user stories\"\n }), \" that describe how to fully implement appointment reminders in a web application. We'll walk through the code required to satisfy each story, and explore what we needed to add on each step.\"]\n }), \"\\n\", _jsx(_components.p, {\n children: \"All this can be done with the help of Twilio in under half an hour.\"\n }), \"\\n\", _jsx(Info, {\n children: _jsx(_components.p, {\n children: \"Find your language and framework of choice below to get to the source code in your language and learn how to build an appointment reminders app!\"\n })\n }), \"\\n\", _jsxs(_components.ul, {\n children: [\"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/csharp\",\n children: \"C# \u0026 ASP.NET MVC\"\n })\n })\n }), \"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/java\",\n children: \"Java \u0026 Spark\"\n })\n })\n }), \"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/node\",\n children: \"Node \u0026 Express\"\n })\n })\n }), \"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/php\",\n children: \"PHP \u0026 Laravel\"\n })\n })\n }), \"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/python-django\",\n children: \"Python \u0026 Django\"\n })\n })\n }), \"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/python\",\n children: \"Python \u0026 Flask\"\n })\n })\n }), \"\\n\", _jsx(_components.li, {\n children: _jsx(_components.strong, {\n children: _jsx(_components.a, {\n href: \"/docs/messaging/tutorials/appointment-reminders/ruby\",\n children: \"Ruby \u0026 Rails\"\n })\n })\n }), \"\\n\"]\n }), \"\\n\", _jsx(_components.p, {\n children: \"Happy building!\"\n }), \"\\n\", _jsx(_components.p, {\n children: \"Twilio customers use appointment reminders to reduce no-shows and ensure customers have everything they need in advance of an appointment. Whether you're a dentist, doctor, cable company, or car repair shop, you can use automated appointment reminders to save time and money.\"\n })]\n });\n}\nfunction MDXContent(props = {}) {\n const {wrapper: MDXLayout} = {\n ..._provideComponents(),\n ...props.components\n };\n return MDXLayout ? _jsx(MDXLayout, {\n ...props,\n children: _jsx(_createMdxContent, {\n ...props\n })\n }) : _createMdxContent(props);\n}\nreturn {\n default: MDXContent\n};\nfunction _missingMdxReference(id, component) {\n throw new Error(\"Expected \" + (component ? \"component\" : \"object\") + \" `\" + id + \"` to be defined: you likely forgot to import, pass, or provide it.\");\n}\n","frontmatter":{"title":"Send Appointment Reminders","seo_description":"Learn how to build an SMS appointment reminders app using the programming language of your choice.","show_breadcrumbs":false,"page_type":"docs","headings":[]},"scope":{}},"matter":{"title":"Send Appointment Reminders","seo_description":"Learn how to build an SMS appointment reminders app using the programming language of your choice.","show_breadcrumbs":false,"page_type":"docs","headings":[]},"sidebarMenu":{"name":"Programmable Messaging","path":"/docs/messaging","type":"file","children":[{"type":"directory","path":"","name":"Getting Started","children":[{"type":"directory","path":"","name":"Messaging Onboarding Guides","children":[{"type":"file","name":"Overview","path":"/docs/messaging/onboarding"},{"type":"file","name":"1. SMS Foundations","path":"/docs/messaging/onboarding/sms-foundations"},{"type":"file","name":"2. Prepare your sender strategy","path":"/docs/messaging/onboarding/prepare-your-sender-strategy"},{"type":"file","name":"3. Build your Account","path":"/docs/messaging/onboarding/build-your-account"},{"type":"file","name":"4. Monitor your application","path":"/docs/messaging/onboarding/monitor-your-application"}]},{"type":"file","name":"How to work with your Twilio Free Trial account (US only)","path":"/docs/usage/tutorials/how-to-use-your-free-trial-account-namer"},{"type":"file","name":"How to work with your Twilio Free Trial account (rest of world)","path":"/docs/messaging/guides/how-to-use-your-free-trial-account"},{"type":"file","name":"Guide to using the Twilio Virtual Phone","path":"/docs/messaging/guides/guide-to-using-the-twilio-virtual-phone"},{"type":"file","name":"Messaging Services Quickstart","path":"/docs/messaging/tutorials/send-messages-with-messaging-services"},{"type":"file","name":"SMS Quickstarts","path":"/docs/messaging/quickstart"},{"type":"file","name":"WhatsApp Quickstarts","path":"/docs/whatsapp/quickstart"}]},{"type":"directory","path":"","name":"API Reference","children":[{"type":"file","name":"API Overview","path":"/docs/messaging/api"},{"type":"directory","path":"","name":"Message Resource","children":[{"type":"file","name":"Overview","path":"/docs/messaging/api/message-resource"},{"type":"file","name":"MessageFeedback Resource","path":"/docs/messaging/api/message-feedback-resource"},{"type":"file","name":"Media Resource","path":"/docs/messaging/api/media-resource"}]},{"type":"directory","path":"","name":"Service Resource","children":[{"type":"file","name":"Service Resource","path":"/docs/messaging/api/service-resource"},{"type":"file","name":"AlphaSender Resource","path":"/docs/messaging/api/alphasender-resource"},{"type":"file","name":"ChannelSender Resource","path":"/docs/messaging/api/messaging-service-channelsender-resource"},{"type":"file","name":"PhoneNumber Resource","path":"/docs/messaging/api/phonenumber-resource"},{"type":"file","name":"ShortCode Resource","path":"/docs/messaging/api/services-shortcode-resource"},{"type":"file","name":"(A2P 10DLC) BrandRegistration Resource","path":"/docs/messaging/api/brand-registration-resource"},{"type":"file","name":"(A2P 10DLC) BrandVetting Resource","path":"/docs/messaging/api/brand-vetting-resource"},{"type":"file","name":"(A2P 10DLC) UsAppToPerson Resource","path":"/docs/messaging/api/usapptoperson-resource"},{"type":"file","name":"(A2P 10DLC) UsAppToPersonUsecase Resource","path":"/docs/messaging/api/usapptopersonusecase-resource"}]},{"type":"file","name":"Messaging: Country Pricing Resource","path":"/docs/messaging/api/pricing"},{"type":"file","name":"Deactivations Resource","path":"/docs/messaging/api/deactivations-resource"},{"type":"file","name":"ShortCode Resource","path":"/docs/messaging/api/short-code-resource"}]},{"type":"directory","path":"","name":"Preventing Fraud","children":[{"type":"file","name":"Preventing Fraud in Programmable Messaging","path":"/docs/messaging/guides/preventing-messaging-fraud"},{"type":"file","name":"SMS Pumping Protection","path":"/docs/messaging/features/sms-pumping-protection-programmable-messaging"}]},{"type":"directory","path":"","name":"Tutorials","children":[{"type":"file","name":"Receive and Reply to Incoming Messages","path":"/docs/messaging/tutorials/how-to-receive-and-reply"},{"type":"file","name":"Send SMS and MMS Messages","path":"/docs/messaging/tutorials/how-to-send-sms-messages"},{"type":"file","name":"Send Appointment Reminders","path":"/docs/messaging/tutorials/appointment-reminders"},{"type":"file","name":"Retrieve and Modify Message History","path":"/docs/messaging/tutorials/how-to-retrieve-and-modify-message-history"},{"type":"file","name":"Browse all Messaging tutorials","path":"/docs/messaging/tutorials"}]},{"type":"directory","path":"","name":"Messaging Services","children":[{"type":"file","name":"Overview","path":"/docs/messaging/services"},{"type":"file","name":"Send Messages with Messaging Services","path":"/docs/messaging/tutorials/send-messages-with-messaging-services"},{"type":"file","name":"Manage opt-ins and opt-outs","path":"/docs/messaging/tutorials/advanced-opt-out"},{"type":"file","name":"Best Practices for Scaling with Messaging Services","path":"/docs/messaging/guides/best-practices-at-scale"},{"type":"file","name":"Manage queueing and latency","path":"/docs/messaging/guides/scaling-queueing-latency"},{"type":"file","name":"Alphanumeric Sender IDs","path":"/docs/messaging/services/alphanumeric-sender-ids-in-messaging-services"}]},{"type":"directory","path":"","name":"Messaging Features","children":[{"type":"file","name":"Deliverability Score","path":"/docs/messaging/features/deliverability-score"},{"type":"file","name":"Intelligent Alerts","path":"/docs/messaging/features/intelligent-alerts"},{"type":"file","name":"Intelligent Discovery AI Assistant","path":"/docs/messaging/features/intelligent-discovery-ai-assistant"},{"type":"file","name":"Link Shortening","path":"/docs/messaging/features/link-shortening"},{"type":"file","name":"Messaging Logs","path":"/docs/messaging/features/messaging-logs"},{"type":"file","name":"Message Scheduling","path":"/docs/messaging/features/message-scheduling"},{"type":"directory","path":"","name":"Messaging Insights","children":[{"type":"file","name":"Overview","path":"/docs/messaging/features/messaging-insights"},{"type":"file","name":"Dashboards","path":"/docs/messaging/features/messaging-insights/dashboards"},{"type":"file","name":"SMS Pumping Protection Insights","path":"/docs/messaging/features/messaging-insights/sms-pumping-protection-insights"}]},{"type":"file","name":"Multi-Tenancy","path":"/docs/messaging/features/multi-tenancy"},{"type":"file","name":"Recommendations","path":"/docs/messaging/features/recommendations"},{"type":"file","name":"SMS Pumping Protection","path":"/docs/messaging/features/sms-pumping-protection-programmable-messaging"},{"type":"file","name":"Traffic Shaping","path":"/docs/messaging/features/traffic-shaping"},{"type":"file","name":"Compliance Toolkit","path":"/docs/messaging/features/compliance-toolkit"},{"type":"file","name":"Bulk Upsert Consents","path":"/docs/messaging/features/bulk-upsert-consents-api"},{"type":"file","name":"Bulk Upsert Contacts","path":"/docs/messaging/features/bulk-upsert-contacts-api"}]},{"type":"directory","path":"","name":"Usage Guides","children":[{"type":"file","name":"How to work with your Twilio Free Trial account (US only)","path":"/docs/usage/tutorials/how-to-use-your-free-trial-account-namer"},{"type":"file","name":"How to work with your Twilio Free Trial account (rest of world)","path":"/docs/messaging/guides/how-to-use-your-free-trial-account"},{"type":"file","name":"Guide to using the Twilio Virtual Phone","path":"/docs/messaging/guides/guide-to-using-the-twilio-virtual-phone"},{"type":"file","name":"Preventing Fraud in Programmable Messaging","path":"/docs/messaging/guides/preventing-messaging-fraud"},{"type":"file","name":"What to Know Before Sending International SMS Messages","path":"/docs/messaging/guides/sending-international-sms-guide"},{"type":"file","name":"SMS Geo Permissions","path":"/docs/messaging/guides/sms-geo-permissions"},{"type":"file","name":"Twilio's request to your incoming message Webhook URL","path":"/docs/messaging/guides/webhook-request"},{"type":"file","name":"Outbound Message Status in Status Callbacks","path":"/docs/messaging/guides/outbound-message-status-in-status-callbacks"},{"type":"file","name":"Track the Message Status of Outbound Messages","path":"/docs/messaging/guides/track-outbound-message-status"},{"type":"file","name":"Best Practices for Messaging Delivery Status Logging","path":"/docs/messaging/guides/outbound-message-logging"},{"type":"file","name":"Safeguard with Message redaction","path":"/docs/messaging/guides/privacy-message-redaction"},{"type":"file","name":"Debugging Common Issues with SMS","path":"/docs/messaging/guides/debugging-common-issues"},{"type":"file","name":"How to Optimize Message Deliverability with Message Feedback","path":"/docs/messaging/guides/send-message-feedback-to-twilio"},{"type":"file","name":"Market Throughput Overview","path":"/docs/messaging/guides/market-throughput-overview"}]},{"type":"directory","path":"","name":"TwiML","children":[{"type":"file","name":"Overview","path":"/docs/messaging/twiml"},{"type":"file","name":"\u003cMessage\u003e","path":"/docs/messaging/twiml/message"},{"type":"file","name":"\u003cRedirect\u003e","path":"/docs/messaging/twiml/redirect"}]},{"type":"directory","path":"","name":"US A2P 10DLC","children":[{"type":"file","name":"US A2P 10DLC Overview","path":"/docs/messaging/compliance/a2p-10dlc"},{"type":"file","name":"Required Business Information","path":"/docs/messaging/compliance/a2p-10dlc/collect-business-info"},{"type":"file","name":"Registration for Government and Non-Profit Agencies","path":"/docs/messaging/compliance/a2p-10dlc/onboarding-for-government-and-non-profit-agencies"},{"type":"directory","path":"","name":"Register Your Business","children":[{"type":"file","name":"Direct Standard and Low-Volume Standard Registration","path":"/docs/messaging/compliance/a2p-10dlc/direct-standard-onboarding"},{"type":"file","name":"Direct Sole Proprietor Registration","path":"/docs/messaging/compliance/a2p-10dlc/direct-sole-proprietor-registration-overview"},{"type":"file","name":"Transition from a Sole Proprietor Brand to a Standard Brand","path":"/docs/messaging/compliance/a2p-10dlc/transition-sole-proprietor-to-standard-brand"}]},{"type":"directory","path":"","name":"For ISVs: Register Your Customers","children":[{"type":"file","name":"ISV Onboarding Overview","path":"/docs/messaging/compliance/a2p-10dlc/onboarding-isv"},{"type":"file","name":"Standard and Low-Volume Standard Registration","path":"/docs/messaging/compliance/a2p-10dlc/onboarding-isv-api"},{"type":"file","name":"Sole Proprietor Registration","path":"/docs/messaging/compliance/a2p-10dlc/onboarding-isv-api-sole-prop-new"},{"type":"file","name":"Use Externally Registered Campaigns","path":"/docs/messaging/compliance/a2p-10dlc/externally-registered-campaigns-api"},{"type":"file","name":"Create Mock Brands and Campaigns","path":"/docs/messaging/compliance/a2p-10dlc/mock-brand-api"}]},{"type":"directory","path":"","name":"Troubleshooting A2P 10DLC Registrations","children":[{"type":"file","name":"Overview","path":"/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands"},{"type":"file","name":"Troubleshooting Sole Proprietor Brand Registration Failures","path":"/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-sole-proprietor-brand-registration-failures"},{"type":"file","name":"Troubleshooting A2P 10DLC Standard/LVS Brands","path":"/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-and-rectifying-a2p-standardlvs-brands"},{"type":"file","name":"Troubleshooting and rectifying Campaigns","path":"/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-and-rectifying-a2p-campaigns-1"},{"type":"file","name":"Troubleshooting A2P Phone Number registration issues","path":"/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-a2p-phone-number-registration-issues"}]},{"type":"file","name":"Set Up Notifications for A2P 10DLC","path":"/docs/messaging/compliance/a2p-10dlc/event-streams-setup"}]},{"type":"directory","path":"","name":"Toll-Free Verification","children":[{"type":"file","name":"Console Onboarding Guide","path":"/docs/messaging/compliance/toll-free/console-onboarding"},{"type":"file","name":"REST API Onboarding Guide","path":"/docs/messaging/compliance/toll-free/api-onboarding"},{"type":"file","name":"Compliance Embeddable Onboarding Guide","path":"/docs/messaging/compliance/toll-free/compliance-embeddable-onboarding"}]},{"type":"directory","path":"","name":"Messaging Channels","children":[{"type":"file","name":"Overview","path":"/docs/messaging/channels"},{"type":"file","name":"WhatsApp","path":"/docs/whatsapp"},{"type":"file","name":"RCS (Public Beta)","path":"/docs/rcs"},{"type":"file","name":"Facebook Messenger (Public Beta)","path":"/docs/messaging/channels/facebook-messenger"},{"type":"file","name":"Google Business Messages (Public Beta)","path":"/docs/messaging/channels/google-business-messages"}]},{"type":"directory","path":"","name":"Other Messaging products","children":[{"type":"file","name":"Content Editor: message templates for any messaging channel","path":"/docs/content"},{"type":"file","name":"Conversations: two-way messaging","path":"/docs/conversations"},{"type":"file","name":"Verify: user verification and one-time passwords","path":"/docs/verify"}]},{"type":"directory","path":"","name":"Related docs","children":[{"type":"file","name":"Phone Numbers","path":"/docs/phone-numbers"},{"type":"file","name":"General Usage","path":"/docs/usage"},{"type":"file","name":"Identity and Access Management (IAM)","path":"/docs/iam"}]}]},"editUrl":"https://github.com/twilio-internal/docs/blob/main/docs/messaging/tutorials/appointment-reminders/index.mdx?plain=1"},"__N_SSG":true},"page":"/docs/[...path]","query":{"path":["messaging","tutorials","appointment-reminders"]},"buildId":"17cMqf3dMWO0te7bKczIy","isFallback":false,"gsp":true,"scriptLoader":[]}</script></body></html>