{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.fred-api",
  "version": "1.0.0",
  "title": "FRED economic data API boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for FRED economic data API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.fred.api.access",
        "statement": "FRED API endpoints expose economic series, observations, categories, releases, sources, tags, maps, and historical vintage dates.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.fred.api"
        ]
      },
      {
        "id": "fact.fred.api.authentication",
        "statement": "API v1 requests require an application-specific key that must be kept outside public files and passed according to FRED documentation.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.fred.api"
        ]
      },
      {
        "id": "fact.fred.api.request",
        "statement": "FRED and ALFRED distinguish current observations from historical real-time vintages, so a query must declare the requested revision perspective.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.fred.api"
        ]
      },
      {
        "id": "fact.fred.api.boundary",
        "statement": "FRED aggregates data from multiple sources and provides no guarantee of uninterrupted, error-free, complete, or investment-suitable results.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.fred.api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/fred-api.json",
  "contentHash": "sha256:1ba75dad6d7bdebf5f4a3802fb9ea840d653f7114a856c992bf98945129adfc1",
  "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/fred-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.fred.api",
        "url": "https://fred.stlouisfed.org/docs/api/fred/",
        "title": "FRED API",
        "publisher": "Federal Reserve Bank of St. Louis",
        "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://fred.stlouisfed.org/docs/api/terms_of_use.html",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.fred.api",
      "type": "source-claim",
      "url": "https://fred.stlouisfed.org/docs/api/fred/",
      "observedAt": "2026-08-27T08:40:00Z"
    }
  ]
}