generated: '2026-07-23' method: derived source: openapi/obie-payment-initiation-standard.yaml, openapi/obie-account-info-standard.yaml note: >- Cross-cutting request/response semantics of the OBIE Read/Write v4.0.1 standard this profile represents. Idempotency, JWS signing, and FAPI headers are defined by the standard. authentication: style: oauth2 profile: OBIE FAPI 1.0 Advanced flows: - clientCredentials (TPP) - authorizationCode (PSU / SCA) transport: mutual-TLS bound tokens see: authentication/paragon-bank-authentication.yml idempotency: supported: true header: x-idempotency-key scope: all payment- and consent-creation POST operations retention: 24 hours conflict_status: 409 note: Every request is processed once per x-idempotency-key; reuse with a changed payload returns 409. request_signing: header: x-jws-signature standard: detached JWS (RFC 7515) applies_to: payment initiation & file payments tracing: header: x-fapi-interaction-id note: Client-supplied correlation id echoed by the ASPSP; x-fapi-auth-date and x-fapi-customer-ip-address also carried. pagination: style: page response_fields: - Links.Self - Links.First - Links.Prev - Links.Next - Links.Last - Meta.TotalPages note: Collection reads (transactions, accounts) return Links + Meta for page traversal. versioning: scheme: uri-path current: v4.0 path_prefix: /open-banking/v4.0/{aisp|pisp|cbpii} opendata: v1.3 see: lifecycle/paragon-bank-lifecycle.yml error_envelope: schema: OBErrorResponse1 media_type: application/json see: errors/paragon-bank-problem-types.yml rate_limit_signal: status: 429 note: 429 Too Many Requests; honour Retry-After.