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Proxy Limits | Twilio
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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/proxy" 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">Proxy: One-to-one Masked Communications</span></a><style data-emotion="css 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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=":Ralamlasm:" 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"><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-:R4qdalamlasm:"><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:" 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/proxy/quickstart" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Proxy Quickstart for SMS and Voice</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-changelog" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Proxy Changelog</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/proxy/proxy-limits" aria-current="page" class="css-bxygmn"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Proxy Limits</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/proxy/opt-out-keywords" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Opt-out keywords</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/proxy/moving-to-beta-from-preview" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Moving to Proxy Beta from Developer Preview</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 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=":Rilamlasm:" 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"><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-:R4qdilamlasm:"><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/proxy/api" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Proxy REST API overview</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/proxy/api/service" class="css-lafmnu"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-qxhhlx">Service</span></a><a data-paste-element="SIDEBAR_NAVIGATION_ITEM" data-paste-core-version="20.7.0" href="/docs/proxy/api/phone-number" class="css-lafmnu"><span 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zv9zrj">.css-zv9zrj{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(18, 28, 45);background-color:rgb(255, 255, 255);box-shadow:0 0 0 1px #cacdd8;padding-top:0.5rem;padding-bottom:0.5rem;padding-left:0.75rem;padding-right:0.75rem;font-size:0.875rem;line-height:1.25rem;}.css-zv9zrj:hover{-webkit-text-decoration:none;text-decoration:none;color:rgb(2, 99, 224);background-color:rgb(255, 255, 255);box-shadow:0 0 0 1px #006dfa;}.css-zv9zrj: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-zv9zrj:active,.css-zv9zrj[data-active=true]{-webkit-text-decoration:none;text-decoration:none;box-shadow:0 0 0 1px #001489;color:rgb(0, 20, 137);background-color:rgb(244, 249, 255);}</style><button data-paste-element="MENU_BUTTON" data-paste-core-version="20.7.0" type="button" aria-expanded="false" aria-controls=":Rhlaatasm:" aria-haspopup="menu" aria-busy="false" class="css-zv9zrj"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1lgr57j">On this page<span data-paste-element="ICON" data-paste-core-version="20.7.0" class="css-pe4vrq"><svg role="img" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ChevronDownIcon-:R56dhlaatasm:"><path fill="currentColor" fill-rule="evenodd" d="M6.293 8.293a1 1 0 011.32-.083l.094.083L10 10.585l2.293-2.292a1 1 0 011.32-.083l.094.083a1 1 0 01.083 1.32l-.083.094-3 3a1 1 0 01-1.32.083l-.094-.083-3-3a1 1 0 010-1.414z"></path></svg></span></span></button><style data-emotion="css 31h1qt">.css-31h1qt{box-sizing:border-box;background-color:rgb(255, 255, 255);border-style:solid;border-width:1px;border-color:rgb(225, 227, 234);border-radius:8px;box-shadow:0 4px 16px 0 rgba(18, 28, 45, 0.2);max-width:18.5rem;min-width:12rem;z-index:20;padding-top:0.5rem;padding-bottom:0.5rem;overflow-y:scroll;max-height:18.5rem;}.css-31h1qt:focus{outline:none;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" id=":Rhlaatasm:" hidden="" style="display:none;position:fixed;left:100%;top:100%" role="menu" tabindex="-1" data-dialog="true" aria-orientation="vertical" aria-label="document outline" class="css-31h1qt"><style data-emotion="css oa1jzu">.css-oa1jzu{box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none;appearance:none;background:none;border:none;display:block;text-align:left;font-family:inherit;font-size:0.875rem;font-weight:400;line-height:1.25rem;margin:0;outline:none;padding-top:0.5rem;padding-bottom:0.5rem;border-left-style:solid;border-left-width:2px;border-color:transparent;cursor:pointer;padding-left:1.5rem;padding-right:1.5rem;width:100%;color:rgb(18, 28, 45);-webkit-text-decoration:none;text-decoration:none;color:rgb(2, 99, 224);background-color:rgb(244, 249, 255);border-color:rgb(0, 109, 250);}.css-oa1jzu:hover{color:rgb(2, 99, 224);background-color:rgb(244, 249, 255);border-color:rgb(0, 109, 250);}.css-oa1jzu:focus{color:rgb(2, 99, 224);background-color:rgb(244, 249, 255);border-color:rgb(0, 109, 250);}.css-oa1jzu:disabled,.css-oa1jzu:disabled:focus,.css-oa1jzu:disabled:hover,.css-oa1jzu[aria-disabled=true],.css-oa1jzu[aria-disabled=true]:focus,.css-oa1jzu[aria-disabled=true]:hover{color:rgb(174, 178, 193);cursor:not-allowed;background-color:rgb(255, 255, 255);border-color:transparent;}</style><a data-paste-element="MOBILE_TOC_MENU_LINK_ACTIVE" data-paste-core-version="20.7.0" href="#number-pool-limits" id=":Rhlaatasm:-1" role="menuitem" class="css-oa1jzu"><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">Number Pool Limits</div></a><style data-emotion="css rrw0kl">.css-rrw0kl{box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none;appearance:none;background:none;border:none;display:block;text-align:left;font-family:inherit;font-size:0.875rem;font-weight:400;line-height:1.25rem;margin:0;outline:none;padding-top:0.5rem;padding-bottom:0.5rem;border-left-style:solid;border-left-width:2px;border-color:transparent;cursor:pointer;padding-left:1.5rem;padding-right:1.5rem;width:100%;color:rgb(18, 28, 45);-webkit-text-decoration:none;text-decoration:none;}.css-rrw0kl:hover{color:rgb(2, 99, 224);background-color:rgb(244, 249, 255);border-color:rgb(0, 109, 250);}.css-rrw0kl:focus{color:rgb(2, 99, 224);background-color:rgb(244, 249, 255);border-color:rgb(0, 109, 250);}.css-rrw0kl:disabled,.css-rrw0kl:disabled:focus,.css-rrw0kl:disabled:hover,.css-rrw0kl[aria-disabled=true],.css-rrw0kl[aria-disabled=true]:focus,.css-rrw0kl[aria-disabled=true]:hover{color:rgb(174, 178, 193);cursor:not-allowed;background-color:rgb(255, 255, 255);border-color:transparent;}</style><a data-paste-element="MOBILE_TOC_MENU_LINK" data-paste-core-version="20.7.0" href="#active-participants-per-number" id=":Rhlaatasm:-2" role="menuitem" class="css-rrw0kl"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">Active Participants per Number</div></a><a data-paste-element="MOBILE_TOC_MENU_LINK" data-paste-core-version="20.7.0" href="#throughput-limits" id=":Rhlaatasm:-3" role="menuitem" class="css-rrw0kl"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">Throughput Limits</div></a><a data-paste-element="MOBILE_TOC_MENU_LINK" data-paste-core-version="20.7.0" href="#requests-per-second" id=":Rhlaatasm:-4" role="menuitem" class="css-rrw0kl"><style data-emotion="css kyczyy">.css-kyczyy{box-sizing:border-box;padding-left:1.25rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-kyczyy">Requests Per Second</div></a><a data-paste-element="MOBILE_TOC_MENU_LINK" data-paste-core-version="20.7.0" href="#data-lengthsize-limits" id=":Rhlaatasm:-5" role="menuitem" class="css-rrw0kl"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">Data Length/Size Limits</div></a><a data-paste-element="MOBILE_TOC_MENU_LINK" data-paste-core-version="20.7.0" href="#resource-property-limits" id=":Rhlaatasm:-6" role="menuitem" class="css-rrw0kl"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-kyczyy">Resource Property Limits</div></a></div></nav></div><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"><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">Proxy Limits</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 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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 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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 101yoii">.css-101yoii{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(254, 245, 245);color:rgb(199, 35, 35);border-color:rgb(245, 138, 138);}</style><div data-paste-element="CALLOUT" data-paste-core-version="20.7.0" class="css-101yoii"><div data-paste-element="CALLOUT_ICON" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css 1qtt8n1">.css-1qtt8n1{box-sizing:border-box;line-height:0;display:block;color:rgb(199, 35, 35);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-1qtt8n1"><svg role="img" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 20 20" aria-labelledby="ErrorIcon-:Rcqgclaatasm:"><path fill="currentColor" fill-rule="evenodd" d="M11.247 2.517l6.236 6.236a1.764 1.764 0 010 2.494l-6.236 6.236a1.764 1.764 0 01-2.494 0l-6.236-6.236a1.764 1.764 0 010-2.494l6.236-6.236a1.764 1.764 0 012.494 0zM10 12a1 1 0 100 2 1 1 0 000-2zm.01-5h-.02c-.604 0-1.073.592-.978 1.244l.428 2.238c.04.296.278.518.557.518h.006c.279 0 .516-.222.557-.518l.428-2.238c.095-.652-.367-1.237-.978-1.244z"></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">(error)</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" id="proxy-public-beta-is-not-available-to-new-customers-1" class="css-kevsq9">Proxy Public Beta is not available to new customers</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">Proxy Public Beta is currently closed for new customers. Please consider using Twilio Conversations and Programmable Voice directly if you are building your masking application.</p><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Note that this does not have any impact on Twilio Flex customers.</p></div></div></div></div> <div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-rj5eb"><style data-emotion="css 1tn0jga">.css-1tn0jga{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(141, 49, 24);border-color:rgb(255, 179, 122);}</style><div data-paste-element="CALLOUT" data-paste-core-version="20.7.0" class="css-1tn0jga"><div data-paste-element="CALLOUT_ICON" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css 5ybmgr">.css-5ybmgr{box-sizing:border-box;line-height:0;display:block;color:rgb(195, 83, 35);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-5ybmgr"><svg role="img" aria-hidden="true" width="100%" height="100%" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg" aria-labelledby="WarningIcon-:Rcqgslaatasm:"><path fill="currentColor" fill-rule="evenodd" clip-rule="evenodd" d="M17.798 14.791L11.316 3.744c-.582-.992-2.05-.992-2.632 0L2.202 14.79C1.625 15.776 2.354 17 3.518 17h12.964c1.164 0 1.893-1.224 1.316-2.209zM9.99 8h.02c.611.007 1.073.592.978 1.244l-.428 2.238c-.04.296-.278.518-.557.518h-.006c-.279 0-.516-.222-.557-.518l-.428-2.238C8.917 8.592 9.386 8 9.99 8zm.01 7a1 1 0 100-2 1 1 0 000 2z"></path></svg></span><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1cbdvo6">(warning)</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" id="public-beta-for-customers-already-using-proxy-1" class="css-kevsq9">Public Beta for customers already using Proxy</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">Twilio's Proxy API is currently available as a Public Beta product. Some features are not yet implemented and others may be changed before the product is declared as Generally Available.</p><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Public Beta products are <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="https://help.twilio.com/hc/en-us/articles/115002413087-Twilio-Beta-product-support" rel="noreferrer noopener" target="_blank" title="not covered by a Twilio SLA" class="css-lpeit6"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">not covered by a Twilio SLA<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-:R5alalagslaatasm:"><title id="LinkExternalIcon-:R5alalagslaatasm:">(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>.</p></div></div></div></div> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Twilio Proxy has a number of limits in place which will constrain certain elements of the system and how it is used.</p> <p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">The Proxy limits are enforced at the Service instance level (except for Service list limits which are enforced at the Account level). These limits are set within a Service instance scope.</p> <section id="number-pool-limits-section-indexable"><hr data-paste-element="SEPARATOR" data-paste-core-version="20.7.0" aria-orientation="horizontal" class="css-1y5brhz"/><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css gt12nx">.css-gt12nx{box-sizing:border-box;-webkit-align-items:start;-webkit-box-align:start;-ms-flex-align:start;align-items:start;margin-bottom:1.25rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-gt12nx"><style data-emotion="css 16k5vxt">.css-16k5vxt{margin:0;padding:0;color:rgb(18, 28, 45);font-size:1.5rem;line-height:2rem;margin-bottom:0;font-weight:600;letter-spacing:-.02em;display:inline;}</style><h2 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="number-pool-limits" class="css-16k5vxt"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#number-pool-limits" title="Number Pool Limits" class="css-lpeit6">Number Pool Limits</a></h2><style data-emotion="css f02h4i">.css-f02h4i{box-sizing:border-box;margin-bottom:0;-webkit-text-decoration:none;text-decoration:none;margin-left:0.5rem;color:rgb(96, 107, 133);border-radius:2px;outline:none;display:inline-block;vertical-align:text-bottom;}.css-f02h4i:hover{color:rgb(3, 11, 93);}.css-f02h4i:focus{box-shadow:0 0 0 2px #ffffff,0 0 0 3px #006dfa,0 0 0 5px #cce4ff;color:rgb(3, 11, 93);}</style><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#number-pool-limits" class="css-f02h4i"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:Rakqaclaatasm:"><title id="LinkIcon-:Rakqaclaatasm:">number-pool-limits page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div></div><style data-emotion="css 1kam78h">.css-1kam78h{box-sizing:border-box;opacity:0;-webkit-transition:opacity 0.25s ease-in-out;transition:opacity 0.25s ease-in-out;}section:focus-within .css-1kam78h,section:hover .css-1kam78h{opacity:1;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1kam78h"><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-:R2cqlaaclaatasm:"><title id="ThumbsUpIcon-:R2cqlaaclaatasm:">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-:R2dalaaclaatasm:"><title id="ThumbsDownIcon-:R2dalaaclaatasm:">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><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Each service can have a maximum of 5000 <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/reserved-phone-numbers" title="Reserved" class="css-lpeit6">Reserved</a> numbers and 500 dynamic/non-reserved numbers.</p></section> <section id="active-participants-per-number-section-indexable"><hr data-paste-element="SEPARATOR" data-paste-core-version="20.7.0" aria-orientation="horizontal" class="css-1y5brhz"/><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-gt12nx"><h2 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="active-participants-per-number" class="css-16k5vxt"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#active-participants-per-number" title="Active Participants per Number" class="css-lpeit6">Active Participants per Number</a></h2><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#active-participants-per-number" class="css-f02h4i"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:Rakqaslaatasm:"><title id="LinkIcon-:Rakqaslaatasm:">active-participants-per-number page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div></div><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1kam78h"><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-:R2cqlaaslaatasm:"><title id="ThumbsUpIcon-:R2cqlaaslaatasm:">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-:R2dalaaslaatasm:"><title id="ThumbsDownIcon-:R2dalaaslaatasm:">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><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">We recommend, but do not enforce, a limit of 100 participants associated with a given number in active sessions at any given time. See <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/phone-numbers-needed" title="https://www.twilio.com/docs/proxy/phone-numbers-needed" class="css-lpeit6">https://www.twilio.com/docs/proxy/phone-numbers-needed</a> for more information on proxy number management.</p></section> <section id="throughput-limits-section-indexable"><hr data-paste-element="SEPARATOR" data-paste-core-version="20.7.0" aria-orientation="horizontal" class="css-1y5brhz"/><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-gt12nx"><h2 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="throughput-limits" class="css-16k5vxt"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#throughput-limits" title="Throughput Limits" class="css-lpeit6">Throughput Limits</a></h2><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#throughput-limits" class="css-f02h4i"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:Rakqbclaatasm:"><title id="LinkIcon-:Rakqbclaatasm:">throughput-limits page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div></div><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1kam78h"><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-:R2cqlabclaatasm:"><title id="ThumbsUpIcon-:R2cqlabclaatasm:">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-:R2dalabclaatasm:"><title id="ThumbsDownIcon-:R2dalabclaatasm:">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><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Limits of this type will impact the number of simultaneous actions that can be performed within a Service Instance.</p></section> <section id="requests-per-second-section-indexable"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><style data-emotion="css a8lapc">.css-a8lapc{box-sizing:border-box;-webkit-align-items:start;-webkit-box-align:start;-ms-flex-align:start;align-items:start;margin-bottom:1rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-a8lapc"><style data-emotion="css yftbgj">.css-yftbgj{margin:0;padding:0;color:rgb(18, 28, 45);font-size:1.25rem;line-height:1.75rem;margin-bottom:0;font-weight:600;letter-spacing:-.02em;display:inline;}</style><h3 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="requests-per-second" class="css-yftbgj"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#requests-per-second" title="Requests Per Second" class="css-lpeit6">Requests Per Second</a></h3><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#requests-per-second" class="css-f02h4i"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:Rakqbslaatasm:"><title id="LinkIcon-:Rakqbslaatasm:">requests-per-second page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div></div><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1kam78h"><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-:R2cqlabslaatasm:"><title id="ThumbsUpIcon-:R2cqlabslaatasm:">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-:R2dalabslaatasm:"><title id="ThumbsDownIcon-:R2dalabslaatasm:">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><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">RPS is the guaranteed Requests Per Second against a given endpoint that a Service instance will support. All Service instances have a baseline of 30 RPS per endpoint. Proxy will allow short bursts above the baseline RPS - up to 5x the baseline. If the bursts become sustained throughput, the Service will start rejecting requests.</p></section> <section id="how-this-works-section"><style data-emotion="css 104sreq">.css-104sreq{box-sizing:border-box;-webkit-align-items:start;-webkit-box-align:start;-ms-flex-align:start;align-items:start;margin-bottom:0.75rem;}</style><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-104sreq"><style data-emotion="css 3y2hwy">.css-3y2hwy{margin:0;padding:0;color:rgb(18, 28, 45);font-size:1rem;line-height:1.5rem;margin-bottom:0.5rem;font-weight:600;letter-spacing:-.02em;display:inline;}</style><h4 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="how-this-works" class="css-3y2hwy"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#how-this-works" title="How This Works" class="css-lpeit6">How This Works</a></h4><style data-emotion="css 138wi13">.css-138wi13{box-sizing:border-box;-webkit-text-decoration:none;text-decoration:none;margin-left:0.5rem;color:rgb(96, 107, 133);border-radius:2px;outline:none;display:inline-block;vertical-align:text-bottom;}.css-138wi13:hover{color:rgb(3, 11, 93);}.css-138wi13:focus{box-shadow:0 0 0 2px #ffffff,0 0 0 3px #006dfa,0 0 0 5px #cce4ff;color:rgb(3, 11, 93);}</style><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#how-this-works" class="css-138wi13"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:R1acclaatasm:"><title id="LinkIcon-:R1acclaatasm:">how-this-works page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">The request limit is based on the average request rate in 5s sliding window. For example, for 30 req/s limit we allow bursts up to 150 req/s. After this, your application client request logic needs to wait until the average goes below the threshold to make any query requests again against that endpoint.</p><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">Requests that go over the RPS threshold are rejected with HTTP status code <style data-emotion="css 1kwd7zr">.css-1kwd7zr{box-sizing:border-box;border-width:1px;border-style:solid;border-radius:4px;font-family:'TwilioSansMono',Courier,monospace;font-size:inherit;line-height:inherit;padding-left:0.25rem;padding-right:0.25rem;color:inherit;background-color:rgb(249, 249, 250);border-color:rgb(202, 205, 216);}</style><code data-paste-element="INLINE_CODE" data-paste-core-version="20.7.0" class="css-1kwd7zr">429</code> Too Many Requests.</p></section> <section id="when-the-throughput-is-exceeded-section"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-104sreq"><h4 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="when-the-throughput-is-exceeded" class="css-3y2hwy"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#when-the-throughput-is-exceeded" title="When the Throughput is Exceeded" class="css-lpeit6">When the Throughput is Exceeded</a></h4><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#when-the-throughput-is-exceeded" class="css-138wi13"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:R1acslaatasm:"><title id="LinkIcon-:R1acslaatasm:">when-the-throughput-is-exceeded page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div><p data-paste-element="PARAGRAPH" data-paste-core-version="20.6.0" class="css-tcah8o">For reliable handling of <em>short-term bursts</em> of requests towards the Proxy REST API, please make sure your backend application implements a retry logic. When your application receives HTTP status code <code data-paste-element="INLINE_CODE" data-paste-core-version="20.7.0" class="css-1kwd7zr">429</code> back from the Proxy service, it should repeat the request several times, using a good exponential back-off algorithm like <a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="https://aws.amazon.com/blogs/architecture/exponential-backoff-and-jitter/" rel="noreferrer noopener" target="_blank" title="the one advocated by Amazon" class="css-lpeit6"><span data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj">the one advocated by Amazon<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-:R5aqkslaatasm:"><title id="LinkExternalIcon-:R5aqkslaatasm:">(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>.</p></section> <section id="data-lengthsize-limits-section-indexable"><hr data-paste-element="SEPARATOR" data-paste-core-version="20.7.0" aria-orientation="horizontal" class="css-1y5brhz"/><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-gt12nx"><h2 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="data-lengthsize-limits" class="css-16k5vxt"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#data-lengthsize-limits" title="Data Length/Size Limits" class="css-lpeit6">Data Length/Size Limits</a></h2><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#data-lengthsize-limits" class="css-f02h4i"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:Rakqdclaatasm:"><title id="LinkIcon-:Rakqdclaatasm:">data-lengthsize-limits page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div></div><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1kam78h"><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-:R2cqladclaatasm:"><title id="ThumbsUpIcon-:R2cqladclaatasm:">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 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viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg" aria-labelledby="ThumbsDownIcon-:R2daladclaatasm:"><title id="ThumbsDownIcon-:R2daladclaatasm:">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 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If a payload limit is specified in bytes, we assume that the data is serialized using UTF-8 encoding where each character (e.g. emoticon) may take more than one byte.</p></section> <section id="resource-property-limits-section-indexable"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-m8ey6p"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-roynbj"><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-a8lapc"><h3 data-paste-element="HEADING" data-paste-core-version="20.6.0" id="resource-property-limits" class="css-yftbgj"><a data-paste-element="ANCHOR" data-paste-core-version="20.7.0" href="/docs/proxy/proxy-limits#resource-property-limits" title="Resource Property Limits" class="css-lpeit6">Resource Property Limits</a></h3><a data-paste-element="BOX" data-paste-core-version="20.7.0" href="#resource-property-limits" class="css-f02h4i"><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%" fill="none" viewBox="0 0 20 20" aria-labelledby="LinkIcon-:Rakqdslaatasm:"><title id="LinkIcon-:Rakqdslaatasm:">resource-property-limits page anchor</title><path fill="currentColor" d="M13.074 5.674a2.3 2.3 0 013.252 3.252l-2.97 2.97A2.3 2.3 0 019.869 8.92a.5.5 0 10-.808-.588 3.3 3.3 0 005.004 4.272l2.97-2.97a3.3 3.3 0 00-4.667-4.666l-.467.466a.5.5 0 10.707.707l.467-.466z"></path><path fill="currentColor" d="M9.18 7.163a2.3 2.3 0 011.952 3.65.5.5 0 10.809.59A3.3 3.3 0 006.936 7.13l-2.97 2.97a3.3 3.3 0 004.667 4.667l.58-.58a.5.5 0 10-.707-.707l-.58.58a2.3 2.3 0 11-3.252-3.252l2.97-2.97c.409-.41.958-.652 1.536-.675z"></path></svg></span></a></div></div><div data-paste-element="BOX" data-paste-core-version="20.7.0" class="css-1kam78h"><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-:R2cqladslaatasm:"><title id="ThumbsUpIcon-:R2cqladslaatasm:">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 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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 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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 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