{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.umls-api",
  "version": "1.0.0",
  "title": "UMLS API boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for UMLS API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.nlm.umls-api.access",
        "statement": "The UMLS REST API exposes concepts, atoms, source vocabularies, definitions, relations, semantic types, crosswalks, and search over licensed terminology content.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nlm.umls-api"
        ]
      },
      {
        "id": "fact.nlm.umls-api.authentication",
        "statement": "Requests require a UTS account and API key and remain subject to source-vocabulary licenses; credentials and restricted content must not be embedded in public resource records.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nlm.umls-api"
        ]
      },
      {
        "id": "fact.nlm.umls-api.request",
        "statement": "Clients must bind release, source vocabulary, identifier, search type, language, page number, page size, and relation scope and respect license and rate requirements.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nlm.umls-api"
        ]
      },
      {
        "id": "fact.nlm.umls-api.boundary",
        "statement": "UMLS aggregation and mappings can contain ambiguity, source disagreement, historical terms, and licensing limits and do not prove clinical equivalence, diagnosis, code validity, or treatment suitability.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nlm.umls-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/umls-api.json",
  "contentHash": "sha256:21d0841d00f51925538f439368be678544c9833a191a1b9d682d198af46bacc5",
  "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/umls-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.nlm.umls-api",
        "url": "https://documentation.uts.nlm.nih.gov/rest/home.html",
        "title": "UMLS REST API documentation",
        "publisher": "U.S. National Library of Medicine",
        "observedAt": "2026-08-28T15:06:26Z"
      }
    ]
  },
  "observedAt": "2026-08-28T15:06:26Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T15:06:26Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.nlm.nih.gov/databases/umls.html#license_request",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.nlm.umls-api",
      "type": "source-claim",
      "url": "https://documentation.uts.nlm.nih.gov/rest/home.html",
      "observedAt": "2026-08-28T15:06:26Z"
    }
  ]
}