Synq Docs
Errors

Idempotency key conflict

The `idempotency_key_conflict` error: HTTP 422 Unprocessable Content.

The Idempotency-Key was sent before with another request (draft-ietf-httpapi-idempotency-key-header).

FieldValue
codeidempotency_key_conflict
status422 Unprocessable Content
titleIdempotency key conflict

Synq's APIs answer errors with a problem document (RFC 9457, application/problem+json). Its type is the address of this page, and its code is idempotency_key_conflict. Branch on code, never on title or detail: a code never changes once it ships, while the words may.

{
  "type": "…/errors/idempotency_key_conflict",
  "title": "Idempotency key conflict",
  "status": 422,
  "code": "idempotency_key_conflict"
}

See every error code.