generated: '2026-07-20'
method: derived
source: openapi/onshape-openapi-original.json
standards:
  - id: oauth2
    conforms: true
    evidence: OpenAPI securitySchemes declares an oauth2 authorizationCode flow (OAuth2 scheme).
  - id: http-basic
    conforms: true
    evidence: BasicAuth http/basic scheme used for API-key HMAC-signed requests.
  - id: openapi-3
    conforms: true
    evidence: Provider publishes an OpenAPI 3.0.1 description at https://cad.onshape.com/api/openapi.
  - id: rfc9457-problem-details
    conforms: false
    evidence: Errors are plain JSON, not application/problem+json.
  - id: pagination-offset
    conforms: true
    evidence: List endpoints expose offset/limit query parameters with next/previous envelope fields.
  - id: idempotency
    conforms: false
    evidence: No Idempotency-Key header/parameter documented or present in the spec.
  - id: webhooks
    conforms: true
    evidence: Webhook registration/management operations and a documented event catalog.