Body
application/json
Unique identifier for this event (stable for the logical event; multiple delivery attempts reuse the same id). Use for idempotency.
Example:
"b3a2d5c4-1f2e-4a6b-9c7d-1234567890ab"
Event type identifier (dot namespaced, e.g. subscription.created).
Allowed value:
"order.submitted"
RFC 3339 timestamp when the underlying change occurred.
Order snapshot at submission. Event-specific payload; structure depends on event type.
Response
Acknowledged