API Evangelist enhancements for Freddie Mac Loan Import API

overlay: 1.0.0
info:
  title: API Evangelist enhancements for Freddie Mac Loan Import API
  version: 1.0.0
extends: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/openapi/freddie-mac-loan-import-openapi.json
x-generated: '2026-09-10'
x-method: generated
x-source: derived from openapi/freddie-mac-loan-import-openapi.json, harvested verbatim from the Freddie
  Mac Developer Portal on 2026-09-10
actions:
- target: $.info
  description: Record API Evangelist provenance for this harvested contract.
  update:
    x-apievangelist:
      provider: Freddie Mac
      providerId: freddie-mac
      harvested: '2026-09-10'
      harvested_from: https://developer.freddiemac.com/public/api-details/download-swagger-file/<swaggerOpenApiId>
      portal: https://developer.freddiemac.com/public/
      ownership: Served by Freddie Mac's own Developer Portal; servers[] resolves inside 161.107.0.0/16,
        ARIN NetName FHLMC, OrgName Federal Home Loan Mortgage Corporation.
      note: The contract in openapi/ is byte-identical to what the provider served. This overlay is additive
        and is never applied to it.
- target: $.info
  description: Cross-link the derived artifacts that describe this contract's runtime semantics.
  update:
    x-artifacts:
      authentication: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/authentication/freddie-mac-authentication.yml
      conventions: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/conventions/freddie-mac-conventions.yml
      errors: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/errors/freddie-mac-problem-types.yml
      rate_limits: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/rate-limits/freddie-mac-rate-limits.yml
      lifecycle: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/lifecycle/freddie-mac-lifecycle.yml
      conformance: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/conformance/freddie-mac-conformance.yml
      data_model: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/data-model/freddie-mac-data-model.yml
      sandbox: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/sandbox/freddie-mac-sandbox.yml
      skills: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/skills/_index.yml
- target: $.info
  description: Record the domain standard this contract's payloads conform to.
  update:
    x-domain-standard:
      standard: MISMO / GSE Uniform Mortgage Data Program
      evidence: https://raw.githubusercontent.com/api-evangelist/freddie-mac/refs/heads/main/conformance/freddie-mac-conformance.yml
      note: Applies across the Freddie Mac Single-Family catalog; see the per-spec evidence in the conformance
        artifact.
- target: $.info
  description: Record the agent-safety posture of this contract's write surface.
  update:
    x-agent-safety:
      idempotency_key: false
      delete_operations: 0
      rate_limit_headers: false
      note: No Idempotency-Key header, no DELETE operation and no rate-limit response header exists in
        this contract. See conventions/freddie-mac-conventions.yml for the reversibility grade of each
        write surface in the catalog.
- target: $.servers
  description: Flag that the published server is a test environment.
  update:
  - url: https://api-test.freddiemac.com/single-family/lsa
    description: Published by Freddie Mac as the base URL for this API. This is the TEST/UAT environment;
      the production base path is issued inside the authenticated Developer Portal at app-promotion time
      and is not published anywhere. Recorded here as a note - the servers[] block of the harvested contract
      is not modified.