{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.hud-user-api",
  "version": "1.0.0",
  "title": "HUD User FMR API boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for HUD User FMR API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.hud.user.api.access",
        "statement": "U.S. Department of Housing and Urban Development documents Fair Market Rent and related HUD User geography, year, area, and rent data through documented APIs.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.hud.user.api"
        ]
      },
      {
        "id": "fact.hud.user.api.authentication",
        "statement": "Requests can require a documented token; reads do not grant housing, eligibility, rent, payment, program, or HUD decision authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.hud.user.api"
        ]
      },
      {
        "id": "fact.hud.user.api.request",
        "statement": "Clients must bind area or geography identifier, year, bedroom count, endpoint, token, response field, and publication vintage.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.hud.user.api"
        ]
      },
      {
        "id": "fact.hud.user.api.boundary",
        "statement": "Published values require program, geography, vintage, and eligibility context and do not prove a lease rate, entitlement, affordability, payment, or legal limit.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.hud.user.api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/hud-user-api.json",
  "contentHash": "sha256:6376c1f4b8f35b155789014991bc5d51f0595410e9e051d640bf2ee6f1916389",
  "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/hud-user-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.hud.user.api",
        "url": "https://www.huduser.gov/portal/dataset/fmr-api.html",
        "title": "HUD User FMR API documentation",
        "publisher": "U.S. Department of Housing and Urban Development",
        "observedAt": "2026-08-28T20:35:47.627Z"
      }
    ]
  },
  "observedAt": "2026-08-28T20:35:47.627Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T20:35:47.627Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.huduser.gov/portal/dataset/fmr-api.html",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.hud.user.api",
      "type": "source-claim",
      "url": "https://www.huduser.gov/portal/dataset/fmr-api.html",
      "observedAt": "2026-08-28T20:35:47.627Z"
    }
  ]
}