idempotency_key_reused
That `Idempotency-Key` was already used with a different payload. The key identifies one specific operation, so reusing it for another would make replay meaningless.
| Code | Type | HTTP | Category |
|---|---|---|---|
idempotency_key_reused | idempotency_error | 409 | Idempotency |
Cause
That Idempotency-Key was already used with a different payload. The key identifies one specific operation, so reusing it for another would make replay meaningless.
What to do
Use a fresh key for each distinct operation, and reuse a key only to retry the exact same request.