overlay: 1.0.0 info: title: API Evangelist enhancements for Azupay Azupay Payment Agreement API version: 1.0.0 extends: openapi/azupay-payment-agreement.yml actions: - target: $.info update: x-apievangelist-enriched: '2026-07-24' x-apievangelist-provider: azupay x-apievangelist-idempotency: Client-supplied clientTransactionId / clientRefundID act as natural idempotency keys; duplicates return 409. x-apievangelist-webhooks: Asynchronous payment status delivered via webhooks (see conventions/ and asyncapi/).