generated: '2026-07-21'
method: derived
source: openapi/stamped-merchant-data-openapi.json, openapi/stamped-loyalty-operations-openapi.json
standards:
  - id: openapi-3.1
    conforms: true
    evidence: Per-operation OpenAPI 3.1.0 definitions published at developers.stamped.io/reference
  - id: rest
    conforms: true
    evidence: Resource-oriented /api/v3/merchant and /api/v3/loyalty paths with standard HTTP verbs
  - id: oauth2
    conforms: false
    evidence: Auth is a private API key (stamped-api-key header), not OAuth2
  - id: oidc
    conforms: false
  - id: rfc9457-problem-details
    conforms: false
    evidence: Errors use a simple { "message" } envelope, not application/problem+json
  - id: pagination
    conforms: true
    evidence: Page-number pagination (page/limit/morePages) on collection endpoints
  - id: idempotency
    conforms: false
    evidence: No idempotency-key mechanism documented