# OpenAPI Overlay 1.0.0 — API Evangelist enhancements (never mutates the source spec)
overlay: 1.0.0
info:
  title: API Evangelist enhancements for VoPay Accounts
  version: 1.0.0
extends: openapi/vopay-account-api-reference.json
actions:
- target: $.info
  update:
    x-apievangelist-enriched: '2026-07-24'
    x-apievangelist-provider: vopay
    x-authentication: API key + shared-secret SHA1 request signature (see authentication/vopay-authentication.yml)
    x-idempotency: IdempotencyKey parameter on money-movement operations (see conventions/vopay-conventions.yml)
    x-webhooks: asyncapi/vopay-webhooks-asyncapi.yml
    x-error-catalog: errors/vopay-error-codes.yml