HTTP Message Signatures (RFC 9421)

A cryptographic signature scheme for HTTP messages, used by the emerging web-bot-auth profile to let agents authenticate themselves to origins. Provider support for verifying or surfacing RFC 9421 signatures is a forward-looking agent-readiness signal.

Documentation

API entry from apis.yml

apis.yml Raw ↑
aid: agent-readiness:rfc-9421-http-message-signatures
name: HTTP Message Signatures (RFC 9421)
tags:
- Identity
- Bot Auth
- Agent Readiness
- Standards
humanURL: https://www.rfc-editor.org/rfc/rfc9421.html
baseURL: https://www.rfc-editor.org/rfc/rfc9421.html
properties:
- url: https://www.rfc-editor.org/rfc/rfc9421.html
  type: Documentation
description: A cryptographic signature scheme for HTTP messages, used by the emerging web-bot-auth profile
  to let agents authenticate themselves to origins. Provider support for verifying or surfacing RFC 9421
  signatures is a forward-looking agent-readiness signal.