{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.companies-house-api",
  "version": "1.0.0",
  "title": "UK Companies House API boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for UK Companies House API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.uk.companies-house-api.access",
        "statement": "The Companies House REST API exposes public company profiles, officers, filings, charges, insolvency, registers, persons with significant control, and related resources.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.uk.companies-house-api"
        ]
      },
      {
        "id": "fact.uk.companies-house-api.authentication",
        "statement": "API access requires a registered key or an applicable OAuth flow; credentials identify a client but do not grant broader company or filing authority.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.uk.companies-house-api"
        ]
      },
      {
        "id": "fact.uk.companies-house-api.request",
        "statement": "Clients must bind company number or search query, endpoint, start index, items per page, and returned pagination metadata and distinguish live REST from streaming contracts.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.uk.companies-house-api"
        ]
      },
      {
        "id": "fact.uk.companies-house-api.boundary",
        "statement": "Companies House makes filed information available but does not verify every filed fact; API data does not replace the current register, identity checks, due diligence, or legal advice.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.uk.companies-house-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/companies-house-api.json",
  "contentHash": "sha256:9af16ee92c12f09c6542caf317baa57405df77e8b236b62f07765c5edd43b0b1",
  "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/companies-house-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.uk.companies-house-api",
        "url": "https://developer.company-information.service.gov.uk/",
        "title": "Companies House API Developer Hub",
        "publisher": "UK Companies House",
        "observedAt": "2026-08-28T04:17:38Z"
      }
    ]
  },
  "observedAt": "2026-08-28T04:17:38Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T04:17:38Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.gov.uk/help/terms-conditions",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.uk.companies-house-api",
      "type": "source-claim",
      "url": "https://developer.company-information.service.gov.uk/",
      "observedAt": "2026-08-28T04:17:38Z"
    }
  ]
}