{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.nvd-cpe-api",
  "version": "1.0.0",
  "title": "NVD CPE API boundary",
  "summary": "Official-source access, authentication, request-shaping, freshness, legal, and interpretation boundaries for NVD CPE API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.nvd.cpe.api.access",
        "statement": "U.S. National Institute of Standards and Technology documents Common Platform Enumeration product records, match strings, identifiers, references, pagination, and documented API behavior.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nvd.cpe.api"
        ]
      },
      {
        "id": "fact.nvd.cpe.api.authentication",
        "statement": "Public reads and API-key use do not grant product, vendor, vulnerability, federal, standards, or NIST authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nvd.cpe.api"
        ]
      },
      {
        "id": "fact.nvd.cpe.api.request",
        "statement": "Clients must bind CPE name or match criteria, product or vendor fields, date range, pagination, API key, rate guidance, and response version.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nvd.cpe.api"
        ]
      },
      {
        "id": "fact.nvd.cpe.api.boundary",
        "statement": "CPE matching and product metadata can be incomplete, generalized, delayed, or changed and do not prove software identity, presence, vulnerability, exploitability, support, or safety.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nvd.cpe.api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/nvd-cpe-api.json",
  "contentHash": "sha256:9acb15197ff8a4dba8b605bd592941ca2bb201593e2eb85c834464c619ab35d2",
  "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/nvd-cpe-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.nvd.cpe.api",
        "url": "https://nvd.nist.gov/developers/products",
        "title": "NVD CPE API documentation",
        "publisher": "U.S. National Institute of Standards and Technology",
        "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://nvd.nist.gov/developers/products",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.nvd.cpe.api",
      "type": "source-claim",
      "url": "https://nvd.nist.gov/developers/products",
      "observedAt": "2026-08-28T20:35:47.627Z"
    }
  ]
}