{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.met-museum-collection-api",
  "version": "1.0.0",
  "title": "The Met Collection API boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for The Met Collection API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.met.collection-api.access",
        "statement": "The Met Collection API exposes JSON endpoints for object identifiers, individual objects, departments, and collection search, including open-access media links where available.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.met.collection-api"
        ]
      },
      {
        "id": "fact.met.collection-api.authentication",
        "statement": "The service currently requires no registration or API key but publishes a request-rate ceiling that clients must respect.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.met.collection-api"
        ]
      },
      {
        "id": "fact.met.collection-api.request",
        "statement": "Search returns matching object identifiers, so clients must retrieve object records separately and bind department, image, date, culture, medium, and other filters deliberately.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.met.collection-api"
        ]
      },
      {
        "id": "fact.met.collection-api.boundary",
        "statement": "Only objects and images marked for Open Access carry the stated reuse status; metadata fields can be null or updated and do not establish all rights or historical certainty.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.met.collection-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/met-museum-collection-api.json",
  "contentHash": "sha256:a5323d3a355151d0326aa2e3bcc355bc19d9ff21d3a1d746b2b9c00d1911d65f",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/public-data-apis/met-museum-collection-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.met.collection-api",
        "url": "https://metmuseum.github.io/",
        "title": "The Metropolitan Museum of Art Collection API",
        "publisher": "The Metropolitan Museum of Art",
        "observedAt": "2026-08-27T09:30:00Z"
      }
    ]
  },
  "observedAt": "2026-08-27T09:30:00Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-03T09:30:00Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://metmuseum.github.io/",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.met.collection-api",
      "type": "source-claim",
      "url": "https://metmuseum.github.io/",
      "observedAt": "2026-08-27T09:30:00Z"
    }
  ]
}