{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.nhtsa-vpic-api",
  "version": "1.0.0",
  "title": "NHTSA vPIC API boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for NHTSA vPIC API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.nhtsa.vpic-api.access",
        "statement": "The vPIC API decodes vehicle identification numbers and exposes manufacturer, make, model, vehicle type, country, equipment, variable, and related reference data.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nhtsa.vpic-api"
        ]
      },
      {
        "id": "fact.nhtsa.vpic-api.authentication",
        "statement": "Documented public reads require no user credential and do not grant vehicle registration, title, recall completion, certification, manufacturer, or enforcement authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nhtsa.vpic-api"
        ]
      },
      {
        "id": "fact.nhtsa.vpic-api.request",
        "statement": "Clients must select the exact decode or reference endpoint, bind VIN or model-year and other filters, choose JSON, XML, or CSV output, and process partial decode results explicitly.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nhtsa.vpic-api"
        ]
      },
      {
        "id": "fact.nhtsa.vpic-api.boundary",
        "statement": "Decoded attributes depend on manufacturer submissions and VIN structure and do not prove physical configuration, ownership, roadworthiness, recall status, or legal identity of a specific vehicle.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nhtsa.vpic-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/nhtsa-vpic-api.json",
  "contentHash": "sha256:7be6251ccf92bc15d9ba5dafa963530e2c09a86d1f24584957000c65665511be",
  "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/nhtsa-vpic-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.nhtsa.vpic-api",
        "url": "https://vpic.nhtsa.dot.gov/api/",
        "title": "vPIC API documentation",
        "publisher": "National Highway Traffic Safety Administration",
        "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.nhtsa.gov/about-nhtsa/website-policies-notices",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.nhtsa.vpic-api",
      "type": "source-claim",
      "url": "https://vpic.nhtsa.dot.gov/api/",
      "observedAt": "2026-08-28T15:06:26Z"
    }
  ]
}