HTTP 409
idempotency_conflict
What to do: Reuse the key only for the identical operation.
An Idempotency-Key was replayed with a different method, path or body. Use a fresh key for a different operation.
Shape
{ "error": { "code": "idempotency_conflict", "message": "…", "hint": "Reuse the key only for the identical operation.", "docs": "https://postbag.dev/docs/errors/idempotency_conflict/" } } All codes are listed on the error reference. Conventions for the envelope, hints and next[] are in the API overview.