overlay: 1.0.0
info:
  title: API Evangelist enhancements for NatWest Payment Initiation API
  version: 1.0.0
extends: openapi/natwest-payment-initiation-openapi.yml
actions:
- target: $.info
  update:
    x-apievangelist-provider: natwest
    x-apievangelist-standard: OBIE Read/Write v3.1.11
    x-apievangelist-auth: FAPI 1.0 Advanced OAuth2/OIDC + mutual-TLS + PSD2 SCA
    x-apievangelist-scope: payments
    x-apievangelist-idempotency-key: x-idempotency-key
    x-apievangelist-message-signing: x-jws-signature (detached JWS, PS256)
    x-apievangelist-sandbox: https://api.sandbox.natwest.com/open-banking/v3.1/pisp
- target: $.servers
  update:
  - url: https://api.sandbox.natwest.com/open-banking/v3.1/pisp
    description: Sandbox resource base (added by API Evangelist)