REST API response status and error codes

When Multicart receives a request to an API endpoint, a number of different HTTP status codes can be returned in the response depending on the original request.

Code	Description
200 OK	The request was successfully processed by Multicartshop
201 Created	The request has been fulfilled and a new resource has been created
400 Bad Request	The request was not completed. Wrong format data was sent
403 Forbidden	The request was not completed. Access to the resource is denied
404 Not Found	The request was not completed. Resource not found
409 Conflict	The request was not completed. A resource with this unique ID already exists
429 Too Many Requests	The request was not completed. Resource limit reached
500 Internal Server Error	The request was not completed. Internal server error
502 Bad Gateway	The request was not completed. Unsupported platform gate