generated: '2026-07-19'
method: derived
source: https://docs.hashflow.com/hashflow/taker/getting-started-api-v3
standards:
  - id: rest-json
    conforms: true
    evidence: JSON request/response over HTTPS with GET/POST verbs.
  - id: apikey-auth
    conforms: true
    evidence: Authorization header credential key (authentication/hashflow-authentication.yml).
  - id: oauth2
    conforms: false
  - id: oidc
    conforms: false
  - id: rfc9457-problem-details
    conforms: false
    evidence: Uses a status/error envelope, not application/problem+json.
  - id: eip712-signed-quotes
    conforms: true
    evidence: Quotes carry EIP-712 signatures verified on-chain by HashflowRouter.
  - id: uri-path-versioning
    conforms: true
    evidence: /taker/v3 and /maker/v3 path-versioned surfaces.