{
 "id": "api-catalog",
 "name": "API Catalog (RFC 9727)",
 "aliases": [
  "RFC 9727",
  "/.well-known/api-catalog",
  "linkset"
 ],
 "definition_md": "**`api-catalog`** (RFC 9727, published June 2025) is an IANA-registered well-known URI (`/.well-known/api-catalog`) and HTTP link relation (`rel=\"api-catalog\"`) that returns an RFC 9264 `application/linkset+json` document listing a publisher's machine-readable APIs, OpenAPI specifications (`service-desc`), documentation (`service-doc`), and status endpoints (`status`). In the agentic web, RFC 9727 provides the standards-track IETF foundation for domain-level API discovery alongside `/.well-known/ard.json`. Used by: api-catalog-rfc9727, ard.",
 "step": "discover",
 "related_protocols": [
  "api-catalog-rfc9727",
  "ard"
 ],
 "sources": [
  {
   "url": "https://www.rfc-editor.org/rfc/rfc9727.html",
   "date": "2025-06",
   "label": "VERIFIED"
  }
 ],
 "part_of": null,
 "group": null,
 "url": "https://agenticweb.wiki/terms/api-catalog/",
 "okf_url": "https://agenticweb.wiki/okf/terms/api-catalog.md",
 "category": "discover",
 "type": "term"
}