RFC 7230 Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing

PROPOSED STANDARD · June 2014 · R. Fielding, Ed., J. Reschke, Ed.

Superseded. What governs this material today:

updated by RFC 8615 — rfc8615
obsoleted by RFC 9110 — HTTP Semantics
obsoleted by RFC 9112 — HTTP/1.1
updated by RFC 9931 — rfc9931

The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document provides an overview of HTTP architecture and its associated terminology, defines the "http" and "https" Uniform Resource Identifier (URI) schemes, defines the HTTP/1.1 message syntax and parsing requirements, and describes related security concerns for implementations.

Not ingested in full here — read it on rfc-editor.org.