API Evangelist enhancements — Ghost Content - Tiers API

overlay: 1.0.0
info:
  title: "API Evangelist enhancements \u2014 Ghost Content - Tiers API"
  version: 1.0.0
  x-generated: '2026-08-13'
  x-method: generated
  x-source: openapi/ghost-org-content-tiers-api-openapi.yml
  x-note: Non-destructive enhancement layer for openapi/ghost-org-content-tiers-api-openapi.yml. Every
    value asserted here is published by Ghost at docs.ghost.org or ghost.org; nothing is inferred. Apply
    with an Overlay 1.0.0 processor; never edit the base document.
extends: openapi/ghost-org-content-tiers-api-openapi.yml
actions:
- target: $.info
  description: Add the published terms of service and privacy policy Ghost operates the API under.
  update:
    termsOfService: https://ghost.org/terms/
    x-privacy-policy: https://ghost.org/privacy/
    x-status-page: https://status.ghost.org
    x-security-policy: https://docs.ghost.org/security
    x-changelog: https://ghost.org/changelog/
- target: $
  description: Point at the canonical developer documentation for this surface.
  update:
    externalDocs:
      description: Ghost developer documentation
      url: https://docs.ghost.org/
- target: $
  description: Record the cross-cutting runtime semantics Ghost publishes in prose but does not express
    in a machine-readable contract.
  update:
    x-conventions:
      versioning:
        request_header: Accept-Version
        format: v{major}.{minor}
        response_header: Content-Version
        docs: https://docs.ghost.org/faq/api-versioning
      pagination:
        style: page-number
        params:
        - page
        - limit
        default_limit: 15
        response_field: meta.pagination
        docs: https://docs.ghost.org/content-api/pagination
      filtering:
        param: filter
        language: NQL
        encoding: url-encoded
        docs: https://docs.ghost.org/content-api/filtering
      concurrency:
        mechanism: optimistic
        token_field: updated_at
        conflict_status: 409
      idempotency:
        supported: false
        note: Ghost publishes no Idempotency-Key header.
      errors:
        rfc9457: false
        envelope: '{"errors":[{"message","context","type","code","id"}]}'
        docs: https://docs.ghost.org/content-api/errors
      artifacts:
        conventions: conventions/ghost-org-conventions.yml
        errors: errors/ghost-org-problem-types.yml
        lifecycle: lifecycle/ghost-org-lifecycle.yml
        data_model: data-model/ghost-org-data-model.yml
- target: $.paths.*.*
  description: Add the Accept-Version request header Ghost documents for every Content API and Admin API
    call.
  update:
    parameters:
    - name: Accept-Version
      in: header
      required: false
      description: Minimum Ghost API version this client can operate with, as v{major}.{minor}. Ghost
        answers with a Content-Version header naming the version that served the request.
      schema:
        type: string
        example: v6.0