overlay: 1.0.0
info:
  title: API Evangelist enhancements — _done Hashing, HMAC & Checksum Suite
  version: 1.0.0
extends: openapi/done-hash-hmac-openapi.yml
x-generated: '2026-08-11'
x-method: generated
x-source: openapi/_original/done-hash-hmac-openapi.json
x-note: 'Non-destructive. Captures API Evangelist enhancements only: catalog provenance, a canonical resource tag
  in place of the SEO keyword tag list (keywords preserved under x-keywords), and a service-namespaced canonical
  operationId. The provider spec is never mutated.'
actions:
- target: $.info
  description: Record API Evangelist provenance and the catalog identity of this service.
  update:
    x-api-evangelist:
      provider: _done
      slug: done
      catalog: https://apis.io/provider/done/
      harvested: '2026-08-11'
      source: https://hash-hmac.underscoredone.com/openapi.json
      payment_protocol: x402
      price_usd: 0.01
- target: $.paths["/hash"].post
  description: Collapse 15 SEO keyword tags to one canonical resource tag "sha256 hash". The original keyword list
    is preserved as x-keywords so nothing is lost.
  update:
    tags:
    - sha256 hash
    x-keywords:
    - sha256 hash
    - hash
    - hmac
    - hmac signature
    - verify hmac signature
    - checksum
    - compute hash
    - webhook signature verification
    - sha512
    - md5
    - message digest
    - signature verification
    - hash generator
    - content fingerprint
    - integrity check
- target: $.paths["/hash"].post
  description: Namespace the operationId by service — operationIds collide across the 26 _done specs.
  update:
    x-canonical-operation-id: hash_hmac_handler_hash_post
- target: $.tags
  description: Reduce the 15-entry SEO tag list to one canonical resource tag.
  update:
  - name: sha256 hash
    description: Hashing, HMAC & Checksum Suite