idempotency_key_payload_mismatch

This `Idempotency-Key` was already used with a different request body or route.

HTTP status409
Error typeidempotency_error
RetryNo. Use a new key.

What to do

Use a fresh key for each distinct request.

Response shape

{
  "error": {
    "type": "idempotency_error",
    "code": "idempotency_key_payload_mismatch",
    "message": "…",
    "doc_url": "https://docs.borga.is/errors/idempotency_key_payload_mismatch",
    "request_id": "req_…"
  }
}

See all error codes and how to handle them.