Idempotency-Keyheader with each request. If your POST request does not include an
Idempotency-Keyheader, we return a 400 "Bad Request" error.
Idempotency-Keyheader must be a unique universal identifier version 4 (UUID v4) value.
Idempotency-Keyvalue, URI, and body of your initial request
Idempotency-Keyvalue, URI, and request body. Depending on the results of our verification, we complete one of the following actions:
Idempotency-Keyvalue is saved with a different URI, response body, or both: we return a 409 "Conflict" error.