The Retain.me SMART Returns API will return the following HTTP Response codes.
|400 Bad Request||The request cannot be fulfilled due to bad syntax or an invalid parameter.|
|401 Unauthorized||Invalid authentication/authorization credentials. A request to the SMART Returns API with invalid/expired API Key(s).|
|403 Forbidden||HTTPS Required|
|403 Forbidden||Typically could not grant access to the system|
|404 Not Found||Request for a resource that was not found.|
|429 Too Many Requests||Request limit exceeded, 120 request's per minute.|
|500 Internal Server Error||Internal systems error.|