HM Land Registry · OpenAPI Overlay 1.0.0

API Evangelist enhancements for HMLR Business Gateway

1 action 1 update update extends openapi/hm-land-registry-official-copy-document-availability-v1-customer-test-openapi.json

Derived by API Evangelist Built from the contracts HM Land Registry publishes. HM Land Registry did not publish this file.

View Overlay File View on GitHub Overlay Specification

What the actions change

x-apievangelist-slugx-apievangelist-enrichedx-apievangelist-indexx-apievangelist-artifactsx-apievangelist-accessx-apievangelist-licence

Targets 1

$.info

OpenAPI Overlay

overlay: 1.0.0
info:
  title: API Evangelist enhancements for HMLR Business Gateway
  version: 1.0.0
extends: openapi/hm-land-registry-official-copy-document-availability-v1-customer-test-openapi.json
actions:
  - target: $.info
    update:
      x-apievangelist-slug: hm-land-registry
      x-apievangelist-enriched: '2026-07-26'
      x-apievangelist-index: https://raw.githubusercontent.com/api-evangelist/hm-land-registry/refs/heads/main/apis.yml
      x-apievangelist-artifacts:
        conventions: conventions/hm-land-registry-conventions.yml
        errors: errors/hm-land-registry-problem-types.yml
        authentication: authentication/hm-land-registry-authentication.yml
        lifecycle: lifecycle/hm-land-registry-lifecycle.yml
        sandbox: sandbox/hm-land-registry-sandbox.yml
        conformance: conformance/hm-land-registry-conformance.yml
        data_model: data-model/hm-land-registry-data-model.yml
        agentic_access: agentic-access/hm-land-registry-agentic-access.yml
      x-apievangelist-access:
        pricing: freemium
        onboarding: self-serve
        note: >-
          Access model differs per estate. Open linked data is anonymous;
          Use land and property data is a self-serve API key plus a per-dataset
          licence; Business Gateway requires a signed development licence and an
          HMLR-issued client certificate for mutual TLS.
      x-apievangelist-licence:
        name: Open Government Licence v3.0
        url: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/
        attribution: Contains HM Land Registry data (c) Crown copyright and database right

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