# OpenAPI Overlay 1.0.0 - API Evangelist enhancements (non-mutating)
overlay: 1.0.0
info:
  title: API Evangelist enhancements for Rokt Catalog (Canal)
  version: 1.0.0
extends: openapi/canal-openapi-original.yml
actions:
- target: $.info
  update:
    x-apievangelist-enriched: '2026-07-18'
    x-apievangelist-provider: canal
    x-apievangelist-auth: x-canal-app-id + x-canal-app-token (API key headers)
    x-apievangelist-idempotency: orders/create_or_get is order_name-keyed idempotent
    x-apievangelist-webhooks: HMAC-SHA256 signed, x-canal-event-hash header, 7 topics