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class="entryheader"><h2><a href="https://www.rfc-editor.org/std/std97.txt">STD 97</a></h2> <h2><a href="https://www.rfc-editor.org/rfc/rfc9110.txt">RFC 9110</a></h2> <h3>HTTP Semantics, <span>June 2022</span></h3> </div><dl> <dt><b>File formats:</b><dd><br /><a href=https://www.rfc-editor.org/rfc/rfc9110.html><img src=/rfcscripts/images/RFC_ICONS_HTML_40x50.png alt="icon for HTML" title="HTML"></a> <a href=https://www.rfc-editor.org/rfc/rfc9110.txt><img src=/rfcscripts/images/RFC_ICONS_Text_40x50.png alt="icon for text file" title="text"></a> <a href=https://www.rfc-editor.org/rfc/rfc9110.pdf><img src=/rfcscripts/images/RFC_ICONS_PDF_2019_50x40.png alt="icon for v3pdf" title="v3pdf"></a> <a href=https://www.rfc-editor.org/rfc/rfc9110.xml><img src=/rfcscripts/images/RFC_ICONS_XML_40x50.png alt="icon for XML" title="XML"></a> <a href=https://www.rfc-editor.org/rfc/inline-errata/rfc9110.html><img src=/rfcscripts/images/HTML_correction_40x50_2020.png alt="icon for inline errata" title="HTML with inline errata"></a></dd> <dt> <dd><b>Also available: </b><a href="https://www.rfc-editor.org/prerelease/rfc9110.notprepped.xml">XML file for editing</a></dd>   <dt><b>Status:</b><dd>INTERNET STANDARD</dd> <dt><b>Obsoletes:</b><dd><a href="/info/rfc2818">RFC 2818</a>, <a href="/info/rfc7230">RFC 7230</a>, <a href="/info/rfc7231">RFC 7231</a>, <a href="/info/rfc7232">RFC 7232</a>, <a href="/info/rfc7233">RFC 7233</a>, <a href="/info/rfc7235">RFC 7235</a>, <a href="/info/rfc7538">RFC 7538</a>, <a href="/info/rfc7615">RFC 7615</a>, <a href="/info/rfc7694">RFC 7694</a></dd> <dt><b>Updates:</b><dd><a href="/info/rfc3864">RFC 3864</a></dd> <dt><b>Authors:</b><dd>R. Fielding, Ed.<br />M. Nottingham, Ed.<br />J. Reschke, Ed.</dd> <dt><b>Stream:</b><dd><a href="https://www.ietf.org">IETF</a></dd> <dt><b>Source:</b><dd><a href="//datatracker.ietf.org/wg/httpbis/about/">httpbis</a> (<a href="//datatracker.ietf.org/wg/#WIT">wit</a>)</dd> </dl> <p> <b>Cite this RFC</b>: <a href="/refs/ref9110.txt">TXT</a>  |</b>  <a href="https://bib.ietf.org/public/rfc/bibxml/reference.RFC.9110.xml">XML</a>  |   <a href="https://datatracker.ietf.org/doc/rfc9110/bibtex/">BibTeX</a> </p><p> <b>DOI</b>:  <a href="https://doi.org/10.17487/RFC9110">https://doi.org/10.17487/RFC9110</a> </p><p><b>Discuss this RFC</b>: Send questions or comments to the mailing list <a href="mailto:ietf-http-wg@w3.org?subject=Question regarding RFC 9110 ">ietf-http-wg@w3.org</a></p><p> <b>Other actions</b>: <a href="/errata/rfc9110">View Errata</a>  |</b>  <a href="/errata.php#reportnew">Submit Errata</a>  |</b>  <a href="https://datatracker.ietf.org/ipr/search/?draft=&rfc=9110&submit=rfc"> Find IPR Disclosures from the IETF</a>  |</b>  <a href="https://datatracker.ietf.org/doc/rfc9110/"> View History of RFC 9110</a> </p> <hr/> <h2>Abstract</h2> <p>The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document describes the overall architecture of HTTP, establishes common terminology, and defines aspects of the protocol that are shared by all versions. In this definition are core protocol elements, extensibility mechanisms, and the "http" and "https" Uniform Resource Identifier (URI) schemes. </p><p>This document updates RFC 3864 and obsoletes RFCs 2818, 7231, 7232, 7233, 7235, 7538, 7615, 7694, and portions of 7230.</p> <hr> <p> For the definition of <b>Status</b>, see <a href="/info/rfc2026">RFC 2026</a>. </p><p> For the definition of <b>Stream</b>, see <a href="/info/rfc8729">RFC 8729</a>. </p> <hr> </div> </div> </div> <br><br><div id="footer"> <div id="footerdivs"> </div> <div style="clear:both"></div> <p class="credit"> <a href="//www.iab.org/">IAB</a> • <a href="//www.iana.org/">IANA</a> • <a href="//www.ietf.org">IETF</a> • <a href="//www.irtf.org">IRTF</a> • <a href="/about/independent">ISE</a> • <a href="//www.internetsociety.org">ISOC</a> • <a href="//trustee.ietf.org/">IETF Trust</a> <br> <a href="/report-summary">Reports</a> • <a href="//www.ietf.org/privacy-statement/">Privacy Statement</a> • <a href="/sitemap">Site Map</a> • <a href="/contact">Contact Us</a> </p> </div> </div> <button type="button" aria-controls="rmp-container-2538" aria-label="Menu Trigger" id="rmp_menu_trigger-2538" class="rmp_menu_trigger rmp-menu-trigger-boring"> <span class="rmp-trigger-box"> <span class="responsive-menu-pro-inner"></span> </span> </button> <div id="rmp-container-2538" class="rmp-container rmp-container rmp-slide-left"> <div id="rmp-menu-title-2538" class="rmp-menu-title"> <a href="" target="_self" id="rmp-menu-title-link"> <span></span> </a> </div> <div id="rmp-menu-wrap-2538" class="rmp-menu-wrap"><ul id="rmp-menu-2538" class="rmp-menu" role="menubar" aria-label="Default Menu"><li id="rmp-menu-item-632" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/retrieve/" class = "rmp-menu-item-link" role = "menuitem" >Document Retrieval</a></li><li id="rmp-menu-item-633" class=" menu-item menu-item-type-custom menu-item-object-custom rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "/errata.php" class = "rmp-menu-item-link" role = "menuitem" >Errata</a></li><li id="rmp-menu-item-634" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/faq/" class = "rmp-menu-item-link" role = "menuitem" >Frequently Asked Questions</a></li><li id="rmp-menu-item-636" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/rse/format-faq/" class = "rmp-menu-item-link" role = "menuitem" >Future Format FAQ</a></li><li id="rmp-menu-item-637" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/history/" class = "rmp-menu-item-link" role = "menuitem" >History</a></li><li id="rmp-menu-item-638" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/about/" class = "rmp-menu-item-link" role = "menuitem" >About Us</a></li><li id="rmp-menu-item-639" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/other/" class = "rmp-menu-item-link" role = "menuitem" >Other Information</a></li><li id="rmp-menu-item-640" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/pubprocess/" class = "rmp-menu-item-link" role = "menuitem" >Publication Process</a></li><li id="rmp-menu-item-641" class=" menu-item menu-item-type-custom menu-item-object-custom rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "/current_queue.php" class = "rmp-menu-item-link" role = "menuitem" >Publication Queue</a></li><li id="rmp-menu-item-642" class=" menu-item menu-item-type-post_type menu-item-object-page rmp-menu-item rmp-menu-top-level-item" role="none"><a href = "https://www.rfc-editor.org/styleguide/" class = "rmp-menu-item-link" role = "menuitem" >Style Guide</a></li></ul></div> <div id="rmp-menu-additional-content-2538" class="rmp-menu-additional-content"> <a href="/search/rfc_search.php">Advanced Search</a> <form id="search_query_separator_id" name="search_query_separator_name" action="/search/rfc_search_detail.php" method="POST" onsubmit="return validateComboBox(this);"> <input type="text" id ="combo_box_id" name="combo_box" maxlength="20" size ="35" placeholder="number, title, keyword, or author surname"></form> </div> </div> </body> </html>