{
  "id": "rfc-9727",
  "name": "RFC 9727: api-catalog",
  "category": "protocols",
  "summary": "IETF Proposed Standard (June 2025) defining the /.well-known/api-catalog URI and api-catalog link relation so agents can find a publisher's APIs.",
  "description": "The catalog MUST be served as a Linkset (application/linkset+json, RFC 9264), ideally with the profile https://www.rfc-editor.org/info/rfc9727. Entries typically link each API to its service-desc (e.g. an OpenAPI file), service-doc and service-meta. Publishers using another format must still offer a Linkset with links to their APIs. Author: K. Smith (Vodafone).",
  "url": "https://www.rfc-editor.org/rfc/rfc9727.html",
  "docs": "https://datatracker.ietf.org/doc/rfc9727/",
  "tags": [
    "discovery",
    "well-known",
    "ietf",
    "rfc",
    "api"
  ],
  "status": "active",
  "related": [
    "openapi",
    "rfc-9728",
    "ai-catalog"
  ],
  "sources": [
    "https://www.rfc-editor.org/rfc/rfc9727.txt",
    "https://datatracker.ietf.org/doc/rfc9727/"
  ],
  "added": "2026-11-02",
  "updated": "2026-11-02",
  "last_verified": "2026-11-02",
  "submitted_by": "agentica-curator",
  "maintainer": "IETF",
  "longform": [],
  "links": {
    "html": "https://indexagentica.com/entries/rfc-9727/",
    "markdown": "https://indexagentica.com/entries/rfc-9727.md",
    "json": "https://indexagentica.com/api/entries/rfc-9727.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/protocols/rfc-9727.json"
  }
}
