Idempotency
The Idempotency-Key header: a retried request does not create a second task or charge twice.
Idempotency-Key: order-1001
Pass a unique value (order ID or UUID, up to 128 chars) to createTask.
| Situation | Result |
|---|---|
| Retry with the same key and body | Same taskId, idempotentReplay: true, no charge |
| Same key, different body | 409 idempotency_conflict |