{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.data-gov-catalog-api",
  "version": "1.0.0",
  "title": "Data.gov Catalog API boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for Data.gov Catalog API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.data-gov.catalog-api.access",
        "statement": "The Data.gov Catalog API v4 searches and filters metadata for datasets published by U.S. federal, state, local, and tribal governments.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.data-gov.catalog-api"
        ]
      },
      {
        "id": "fact.data-gov.catalog-api.authentication",
        "statement": "New clients should use the v4 API instead of the older read-only CKAN endpoint and must send an api.data.gov key or limited DEMO_KEY.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.data-gov.catalog-api"
        ]
      },
      {
        "id": "fact.data-gov.catalog-api.request",
        "statement": "Catalog results contain dataset metadata, URLs, and descriptions rather than guaranteeing that the referenced data files are hosted by Data.gov.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.data-gov.catalog-api"
        ]
      },
      {
        "id": "fact.data-gov.catalog-api.boundary",
        "statement": "A catalog match is not evidence that a referenced resource is reachable, current, licensed for every use, complete, or endorsed by GSA.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.data-gov.catalog-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/data-gov-catalog-api.json",
  "contentHash": "sha256:3b598edf72c0c732fe7f6b4bac3a2290b1e14245bf19bbfa5ef79713d2031f62",
  "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/data-gov-catalog-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.data-gov.catalog-api",
        "url": "https://resources.data.gov/catalog-api/",
        "title": "Data.gov Catalog API",
        "publisher": "U.S. General Services Administration",
        "observedAt": "2026-08-27T08:40:00Z"
      }
    ]
  },
  "observedAt": "2026-08-27T08:40:00Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-03T08:40:00Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.data.gov/privacy-policy/",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.data-gov.catalog-api",
      "type": "source-claim",
      "url": "https://resources.data.gov/catalog-api/",
      "observedAt": "2026-08-27T08:40:00Z"
    }
  ]
}