idempotency_key_reused

The Idempotency-Key was used for a different request.

HTTP status	409
code	idempotency_key_reused
Retry?	No, fix the request first

What it means

Within the last 24 hours this API key already sent a request with the same Idempotency-Key but a different path or body.

How to fix it

Generate a new key for every new request. Reuse a key only to repeat the exact same request. → Idempotency

Example

{
  "type": "https://docs.kalender-sync.de/en/api/errors/idempotency_key_reused",
  "title": "Conflict",
  "status": 409,
  "code": "idempotency_key_reused",
  "detail": "This Idempotency-Key was used for a different request.",
  "request_id": "req_…"
}

→ All error codes