overlay: 1.0.0
info:
  title: API Evangelist enhancements for ClearBank Retail Customer V2 APIs
  version: 1.0.0
extends: openapi/clearbank-customers_v2_retail.json
actions:
- target: $.info
  update:
    x-apievangelist-provider: clearbank
    x-apievangelist-auth: bearer-token + RSA DigitalSignature (RSA-SHA256, PKCS#1 v1.5)
    x-apievangelist-idempotency-header: X-Request-Id
    x-apievangelist-error-format: rfc7807
    x-apievangelist-async: 202 Accepted; outcomes via signed webhooks
    x-apievangelist-base-url-production: https://institution-api.clearbank.co.uk
    x-apievangelist-base-url-simulation: https://institution-api-sim.clearbank.co.uk