Internet Engineering Task Force (IETF)R. Fielding, Editor
Request for Comments: 7231Adobe
Obsoletes: 2616J. Reschke, Editor
Updates: 2817greenbytes
Category: Standards TrackJune 2014
ISSN: 2070-1721

Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content


The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document defines the semantics of HTTP/1.1 messages, as expressed by request methods, request header fields, response status codes, and response header fields, along with the payload of messages (metadata and body content) and mechanisms for content negotiation.