StoreLyne API docs 2026-11

idempotency_key_reused

This Idempotency-Key was used with a different request.

HTTP status422
Typeidempotency_error
RetryNo. Fix the request first.

Example

422
{
  "error": {
    "type": "idempotency_error",
    "code": "idempotency_key_reused",
    "message": "This Idempotency-Key was used with a different request.",
    "param": null,
    "trace_id": "tr_01JCG8ZQ5S7T0V4X8K2M3N6P9R",
    "docs": "https://docs.storelyne.com/errors/idempotency_key_reused"
  }
}
Quote the trace_id when you contact support. It finds this exact request in our logs.