HTTP status codes
Also written: 201, 400, 404, 409
Numbers an API sends to say how a request went: 201 Created (a review was added), 400 Bad Request (failed validation), 404 Not Found (unknown id or SKU) and 409 Conflict (a duplicate key).
Also written: 201, 400, 404, 409
Numbers an API sends to say how a request went: 201 Created (a review was added), 400 Bad Request (failed validation), 404 Not Found (unknown id or SKU) and 409 Conflict (a duplicate key).