CINXE.COM
SendGrid
<!DOCTYPE html> <html dir="ltr" lang="en-US"> <head> <meta charset="utf-8" /> <!-- v25451 --> <title>SendGrid</title> <meta name="csrf-param" content="authenticity_token"> <meta name="csrf-token" content="hc:meta:server:omX5ydm_iXIJW0UhDO3Bwr5oOWVsYmHsG3v4lYRWmhVxjuQM9949J_0VGZa61A0q5tTigeRzekY_56yEnjU7YQ"> <link rel="canonical" href="https://support.sendgrid.com/hc/en-us"> <link rel="alternate" hreflang="en-us" href="https://support.sendgrid.com/hc/en-us"> <link rel="alternate" hreflang="x-default" href="https://support.sendgrid.com/hc/en-us"> <link rel="stylesheet" href="//static.zdassets.com/hc/assets/application-a42a464885a505c24ac3b0ab35047489.css" media="all" id="stylesheet" /> <!-- Entypo pictograms by Daniel Bruce — www.entypo.com --> <link rel="stylesheet" href="//static.zdassets.com/hc/assets/theming_v1_support-e05586b61178dcde2a13a3d323525a18.css" media="all" /> <link rel="stylesheet" type="text/css" href="/hc/theming_assets/5194/360003354354/style.css?digest=30950647931931"> <link rel="icon" type="image/x-icon" href="//static.zdassets.com/hc/assets/favicon.ico"> <script src="//static.zdassets.com/hc/assets/jquery-09d07e20ce042ef10e301661ad1f316c.js"></script> <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-12399264-1', 'auto'); ga('send', 'pageview'); </script> <!-- SG.V.FF08EE01.76A90016AA6D650DC9A84C625D15B0E6 --> <meta charset="utf-8"> <!-- ******###### ******###### ******###### ::::::@@@@@@****** ::::::@@@@@@****** ::::::@@@@@@****** ######:::::: ######:::::: ######:::::: --> <meta class='swiftype' name='info' data-type='string' content='Learn how to get started using SendGrid. Find out what SendGrid has to offer and how it can help solve your email deliverability problems.' /> <meta name="HandheldFriendly" content="True"> <meta name="MobileOptimized" content="320"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /> <meta name="msapplication-TileImage" content="https://sendgrid.com/brand/favicons/ms-icon-144x144.png"> <script src="https://www.google.com/recaptcha/api.js?render=explicit"></script> <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,700,700italic,300,300italic,600,600italic" id="opensans-css" media="screen" rel="stylesheet" type="text/css"> <script type="text/javascript" src="//cdn.statuspage.io/se-v2.js"></script> <!-- Icons --> <link rel="apple-touch-icon" sizes="57x57" href="https://sendgrid.com/brand/favicons/apple-icon-57x57.png"> <link rel="apple-touch-icon" sizes="60x60" href="https://sendgrid.com/brand/favicons/apple-icon-60x60.png"> <link rel="apple-touch-icon" sizes="72x72" href="https://sendgrid.com/brand/favicons/apple-icon-72x72.png"> <link rel="apple-touch-icon" sizes="76x76" href="https://sendgrid.com/brand/favicons/apple-icon-76x76.png"> <link rel="apple-touch-icon" sizes="114x114" href="https://sendgrid.com/brand/favicons/apple-icon-114x114.png"> <link rel="apple-touch-icon" sizes="120x120" href="https://sendgrid.com/brand/favicons/apple-icon-120x120.png"> <script src='https://assets.twilio.com/public_assets/help-center-ui/1.0.147/scripts.min.js'></script> <link rel="apple-touch-icon" sizes="144x144" href="https://sendgrid.com/brand/favicons/apple-icon-144x144.png"> <link rel="apple-touch-icon" sizes="152x152" href="https://sendgrid.com/brand/favicons/apple-icon-152x152.png"> <link rel="apple-touch-icon" sizes="180x180" href="https://sendgrid.com/brand/favicons/apple-icon-180x180.png"> <link rel="icon" type="image/png" sizes="192x192" href="https://sendgrid.com/brand/favicons/android-icon-192x192.png"> <link rel="icon" type="image/png" sizes="32x32" href="https://sendgrid.com/brand/favicons/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="96x96" href="https://sendgrid.com/brand/favicons/favicon-96x96.png"> <link rel="icon" type="image/png" sizes="16x16" href="https://sendgrid.com/brand/favicons/favicon-16x16.png"> <!-- /Icons --> <script src="https://unpkg.com/react@17/umd/react.production.min.js" crossorigin></script> <script src="https://unpkg.com/react-dom@17/umd/react-dom.production.min.js" crossorigin></script> <script src="https://unpkg.com/react-router-dom@5.2.0/umd/react-router-dom.min.js" crossorigin></script> <script type="text/javascript"> window.signed_in = false; </script> <!-- /SG.V.FF08EE01.76A90016AA6D650DC9A84C625D15B0E6 --> <script type="text/javascript" src="/hc/theming_assets/5194/360003354354/script.js?digest=30950647931931"></script> </head> <body class="community-enabled"> <!-- SG.V.FF08EE01.57864B256B9CBCC447AD6E28B7A55608 --> <!-- nav --> <header class="header"> <!-- status page alert --> <div class="alert alert-danger" id="status-alert" style="display:none;"> <p> <i class="sg-icon sg-icon-warning"></i> <span id="status-alert-name"></span> <a href="#" id="status-alert-link">Read More.</a> <i class="sg-icon sg-icon-x"></i> </p> </div> <!-- /status page alert --> <nav class="secondary"> <div class="header__container" id="account-options"> <a class="login" href="/hc/en-us/signin?return_to=https://support.sendgrid.com"> Log In </a> </div> </nav> <nav class="primary"> <div class="header__container"> <ul> <li class="logo"> <a style="background-image:url(/hc/theming_assets/01J594AF4CAVEXR306E0YHAWE9)"href="https://sendgrid.com"></a> <!--<a href="https://sendgrid.com"></a>--> </li> <li class="link"> <a href="https://sendgrid.com/docs" id="docs_click" target="_blank">Knowledge Center</a> </li> <li class="link link--selected"> <a aria-selected="true" title="Home" href="/hc/en-us">Support</a> </li> <li class="link"> <a href="http://status.sendgrid.com" id="status-alert-link_headernav" target="_blank">Status</a> </li> <li class="action"> <a href="https://sendgrid.com/pricing/" class="btn btn--secondary" id="sign_up_click" >Sign Up</a> </li> <li class="mobile-nav"> <button id="nav-toggle"> <span class="menu"></span> </button> </li> </ul> </div> </nav> </header> <!-- /nav --> <!-- mobile nav --> <nav class="mobile"> <ul> <li class="link"> <a href="https://sendgrid.com/docs" id="docs_click" target="_blank">Knowledge Center</a> </li> <li class="link link--selected"> <a href="https://support.sendgrid.com">Support</a> </li> <li class="link"> <a href="http://status.sendgrid.com" id="status-alert-link_headernav" target="_blank">Status</a> </li> <li class="link"> <a class="login" rel="nofollow" href="/hc/en-us/signin?return_to=https%3A%2F%2Fsupport.sendgrid.com%2Fhc%2Fen-us">Log In</a> </li> <li class="link"> <a href="https://sendgrid.com/pricing/" id="sign_up_click" >Sign Up</a> </li> </ul> </nav> <!-- /mobile nav --> <!-- React App root div --> <div id="sg-help-center-ui"></div> <!-- The below has been added to comply with GDPR/CCPA; Please see https://issues.corp.twilio.com/browse/SVC-3210 --> <div id="consent_blackbar"></div> <div id="teconsent" style="display: none;"></div> <script> !function t(e){var o,n,a,r,c;let i=window,l=document,s="script",h="dataLayer",m=l.getElementsByTagName(s)[0]; i[h]=i[h]||[];let p=()=>{throw i.trustarcDown=!0,g(),Error("TrustArc is not loading correctly")},g=()=>{i[h].push({"gtm.start":new Date().getTime(),event:"gtm.js"}); let t=l.createElement(s);t.async=!0,t.src="//www.googletagmanager.com/gtm.js?id="+e+("dataLayer"!=h?"&l="+h:""),t.onerror=()=>{i.disableAF&&i.disableAF()}, m.parentNode.insertBefore(t,m)};o={REDACTION_COPY:{EMAIL:"EMAIL_REDACTED"}},n=function t(){for(var e,o=[],n=/([^&=]+)=?([^&]*)/g,a=window.location.search.substring(1); e=n.exec(a);)o.push([e[1],e[2]]);return o}(),a=/(([^<>()\[\]\\.,;:\s@"%]+(\.[^<>()\[\]\\.,;:\s@"%]+)*)|(".+"))(@|%40)((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))/g, (r=function t(e){if(0===e.length)return window.location.protocol+"//"+window.location.host+window.location.pathname+window.location.hash;for(var o="?",n=0;n<e.length;n++)0<n&&(o=o.concat("&")),o=o.concat(e[n][0]+"="+e[n][1]); return window.location.protocol+"//"+window.location.host+window.location.pathname+o+window.location.hash}(n=n.map(function(t){return t.map(function(t){return(_redactedValue=decodeURIComponent(t).replace(a,o.REDACTION_COPY.EMAIL))===o.REDACTION_COPY.EMAIL?_redactedValue:t})})))!==window.location.href&&window.history.replaceState({},document.title,r), (c=document.title.replace(a,o.REDACTION_COPY.EMAIL))!==document.title&&(document.title=c),i[h].push({event:"piiRedacted"}),(()=>{let t=l.createElement(s); t.async=!0,t.defer=!0,t.onload=g,t.onerror=p,t.src="https://consent.trustarc.com/notice?domain=twilio.com&c=teconsent>m=1&js=nj¬iceType=bb",m.parentNode.insertBefore(t,m)})()}("GTM-WF83GB"); </script> <!-- /SG.V.FF08EE01.57864B256B9CBCC447AD6E28B7A55608 --><script defer src="https://assets.twilio.com/public_assets/help-center-ui/1.0.147/sg-help-center-ui.js"></script> <main role="main"> <!-- SG.V.FF08EE01.C15BB32FCC4260E050F22CEA79DB31EB --> <div class="content"> <div class="autocomplete-glass"></div> <!-- hero --> <section class="get-support"> <form class="container container__body-content searchbar"> <h1>Search for Solutions. Get Support.</h1> <input type="search" placeholder="Search" id="st-search-input" class="search icon icon--search" style="background-image:url(/hc/theming_assets/01J594ANMT49VSDFTT2A33D8NB)" /> <div class="autocomplete"><div id="st-results-container"></div></div> <!-- top searches --> <div id="top-search-section"> </div> <!-- /top searches --> </form> </section> <!-- /hero --> <!-- proactive --> <section class="proactive-support" id="proactive-support-banner"> <div class="container"> <h2 class="proactive-support__title proactive-support__title--alert"> <span class="icon--alert" style="background-image:url(/hc/theming_assets/01J594AP2MZCVAX5JRG152W08F)"></span> <span class="icon--warning" style="background-image:url(/hc/theming_assets/01J594ANQ9D8RSH0SCGC3PWCQV)"></span> <span class="proactive-support-title-content"></span></h2> <span id="proactive-support__body"></span> </div> </section> <!-- /proactive --> <!-- login to contact support --> <section class="support-actions"> <div class="container"> <div class="row row-override"> <div class="medium-push-2 medium-8 small-12" id="cta-container"> <a class="cta cta--contact cta--logged-out" href="/hc/en-us/signin?return_to=https://support.sendgrid.com"> <div class="cta__icon icon icon--contact-support" style="background-image:url(/hc/theming_assets/01J594ANANT38FASCCTDR6AXB0)"></div> <div class="cta__label">Login & Contact Support</div> </a> </div> </div> </div> </section> <!-- /login to contact support --> <!-- FAQ --> <section class="faq" id="faq_section"> <h2 id="faq_title"></h2> <div id="faq_presentation" style="display:none"> <div class="tab-group"> <div class="container tab-group__container" id="faq_titles"></div> </div> <div id="accordions"></div> </div> </section> <!-- /FAQ --> <!-- additional help content --> <section class="help-content"> <div class="help-content__container"> <div class="row row-override"> <!-- item --> <div class="small-12 medium-6 large-3 columns help-content__col"> <a href="https://sendgrid.com/docs/User_Guide/index.html" target="_blank" id="product_guide_click" class="help-content__item help-content__item--product-guides"> <div class="help-content__item__icon help-content__item__icon--product-guides icon icon--product-guides" style="background-image:url(/hc/theming_assets/01J594ANSGRZNRFGB4NA248BTV)"></div> <h5>Product Guides</h5> <p>Read our documentation</p> <div class="help-content__item__cta">Read More ›</div> </a> </div> <!-- /item --> <!-- item --> <div class="small-12 medium-6 large-3 columns help-content__col"> <a href="https://sendgrid.com/docs/for-developers/" target="_blank" id="api_click" class="help-content__item help-content__item--api-docs"> <div class="help-content__item__icon help-content__item__icon--api-docs icon icon--api-docs" style="background-image:url(/hc/theming_assets/01J594ANAH4DWRT0AMZ4H48PHR)"></div> <h5>API Docs</h5> <p>Learn how to Integrate with our API or SMTP Relay</p> <div class="help-content__item__cta">Read More ›</div> </a> </div> <!-- /item --> <!-- item --> <div class="small-12 medium-6 large-3 columns help-content__col"> <a href="https://sendgrid.com/solutions/expert-services/" target="_blank" id="expert_services_click" class="help-content__item help-content__item--deliverability-center"> <div class="help-content__item__icon help-content__item__icon--deliverability-center icon icon--deliverability-center" style="background-image:url(/hc/theming_assets/01J594AHKT2HXDWH6AW7MEEAP9)"></div> <h5>Expert Services</h5> <p>Learn directly from our email experts</p> <div class="help-content__item__cta">Read More ›</div> </a> </div> <!-- /item --> <!-- item --> <div class="small-12 medium-6 large-3 columns help-content__col"> <a href="https://sendgrid.com/docs/Classroom/Troubleshooting/index.html" target="_blank" id="trouble_click" class="help-content__item help-content__item--troubleshooting"> <div class="help-content__item__icon help-content__item__icon--troubleshooting icon icon--troubleshooting" style="background-image:url(/hc/theming_assets/01J594AN67Z3BR7EEQXANMANVH)"></div> <h5>Troubleshooting</h5> <p>Find answers to common problems</p> <div class="help-content__item__cta">Read More ›</div> </a> </div> <!-- /item --> </div> </div> </section> <!-- /additional help content --> </div> <script type="text/javascript">$(function(){return new sg14i});</script> <!-- /SG.V.FF08EE01.C15BB32FCC4260E050F22CEA79DB31EB --> </main> <!-- SG.V.FF08EE01.C84406E919AF2225EF073A88917030CA --> <!-- footer --> <div class="content content--footer"> <footer class="footer"> <div class="container"> <div class="footer-content"> <span class="footer-content__item">© 2020 SendGrid</span> <span class="footer-content__item footer-content__divider"> / </span> <span class="footer-content__item"><a href="https://sendgrid.com">Home</a></span> <span class="footer-content__item footer-content__divider"> / </span> <span class="footer-content__item"><a href="https://sendgrid.com/docs">Knowledge Center</a></span> <span class="footer-content__item footer-content__divider"> / </span> <span class="footer-content__item"><a href="https://sendgrid.com/policies/tos/">Legal</a></span> </div> </div> </footer> </div> <!-- /footer --> <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/select2.min.js"></script> <!-- /SG.V.FF08EE01.C84406E919AF2225EF073A88917030CA --> <!-- / --> <script src="//static.zdassets.com/hc/assets/en-us.d21eda04e53ab54ab19c.js"></script> <script src="https://twilio.zendesk.com/auth/v2/host/without_iframe.js" data-brand-id="360003354354" data-return-to="https://support.sendgrid.com/hc/en-us" data-theme="hc" data-locale="en-us" data-auth-origin="360003354354,true,true"></script> <script type="text/javascript"> /* Greetings sourcecode lurker! This is for internal Zendesk and legacy usage, we don't support or guarantee any of these values so please don't build stuff on top of them. */ HelpCenter = {}; HelpCenter.account = {"subdomain":"twilio","environment":"production","name":"Twilio"}; HelpCenter.user = {"identifier":"da39a3ee5e6b4b0d3255bfef95601890afd80709","email":null,"name":"","role":"anonymous","avatar_url":"https://assets.zendesk.com/hc/assets/default_avatar.png","is_admin":false,"organizations":[],"groups":[]}; HelpCenter.internal = {"asset_url":"//static.zdassets.com/hc/assets/","web_widget_asset_composer_url":"https://static.zdassets.com/ekr/snippet.js","current_session":{"locale":"en-us","csrf_token":"hc:hcobject:server:XJh1Y13oer83ykFPEfkhXUEyE5O1b3O0zUsdWHbwG3aPc2imc4nO6sOEHfinwO21GY7Idz1-aB7p10lJbJO6Ag","shared_csrf_token":null},"usage_tracking":{"event":"front_page_viewed","data":"BAh7BjoKX21ldGF7DDoPYWNjb3VudF9pZGkCShQ6E2hlbHBfY2VudGVyX2lkbCsIDUe20VMAOg1icmFuZF9pZGwrCPI+39FTADoMdXNlcl9pZDA6E3VzZXJfcm9sZV9uYW1lSSIOQU5PTllNT1VTBjoGRVQ6C2xvY2FsZUkiCmVuLXVzBjsLVDoaYW5vbnltb3VzX3RyYWNraW5nX2lkMA==--bad57725ada9c8212b9b43325a4b9c000864c102","url":"https://support.sendgrid.com/hc/activity"},"current_record_id":null,"current_record_url":null,"current_record_title":null,"current_text_direction":"ltr","current_brand_id":360003354354,"current_brand_name":"SendGrid","current_brand_url":"https://twiliosendgrid.zendesk.com","current_brand_active":true,"current_path":null,"show_autocomplete_breadcrumbs":true,"user_info_changing_enabled":false,"has_user_profiles_enabled":true,"has_end_user_attachments":true,"user_aliases_enabled":false,"has_anonymous_kb_voting":false,"has_multi_language_help_center":true,"show_at_mentions":true,"embeddables_config":{"embeddables_web_widget":false,"embeddables_connect_ipms":false},"answer_bot_subdomain":"static","general_settings_url":"https://support.sendgrid.com/hc/admin/general_settings?locale=en-us","user_segments_url":"https://twilio.zendesk.com/knowledge/user_segments?brand_id=360003354354","has_gather":true,"has_ckeditor":false,"has_community_enabled":true,"has_community_badges":true,"has_community_post_content_tagging":false,"has_gather_content_tags":true,"has_guide_content_tags":true,"has_user_segments":true,"has_answer_bot_web_form_enabled":false,"has_lookup_fields_in_guide_legacy_templates":true,"has_edit_user_profile_v2":false,"has_garden_modals":false,"theming_cookie_key":"hc-da39a3ee5e6b4b0d3255bfef95601890afd80709-2-preview","is_preview":false,"has_alternate_templates":true,"arrange_articles_url":"https://twilio.zendesk.com/knowledge/arrange?brand_id=360003354354","article_verification_url":"https://twilio.zendesk.com/knowledge/verification?brand_id=360003354354","has_article_verification":true,"guide_language_settings_url":"https://support.sendgrid.com/hc/admin/language_settings?locale=en-us","docs_importer_url":"https://twilio.zendesk.com/knowledge/import_articles?brand_id=360003354354","content_tags_url":"https://twilio.zendesk.com/knowledge/content_tags?brand_id=360003354354","community_badges_url":"https://twilio.zendesk.com/knowledge/community_badges?brand_id=360003354354","community_settings_url":"https://twilio.zendesk.com/knowledge/community_settings?brand_id=360003354354","gather_plan_state":"subscribed","search_settings_url":"https://twilio.zendesk.com/knowledge/search_settings?brand_id=360003354354","has_search_settings_in_plan":true,"theming_api_version":1,"theming_settings":{},"has_pci_credit_card_custom_field":true,"help_center_restricted":false,"is_assuming_someone_else":false,"flash_messages":[],"user_photo_editing_enabled":true,"has_docs_importer":false,"user_preferred_locale":"en-us","base_locale":"en-us","has_end_user_session_renewal":true,"has_user_session_cookie_enabled":false,"has_end_user_2fa":true,"has_custom_statuses_enabled":false,"has_generative_answers_in_help_center":false,"has_hc_generative_answers_setting_enabled":false,"has_intl_date_format_enabled":false,"has_guide_service_catalog":false,"version":"v25451"}; </script> <script src="//static.zdassets.com/hc/assets/moment-4ef0d82f9fc65c8a28f659aa3430955f.js"></script> <script src="//static.zdassets.com/hc/assets/hc_enduser-2fbb615ec8c95ac5279619f898f65803.js"></script> </body> </html>