Error handling / Status codes

Status code	Name	Meaning
200	OK	Success. (JSON) content is included in the body.
204	No Content	Success and no body content. This status is always returned when a call does not produce content.
400	Bad Request	Bad/missing parameters or JSON input.
401	Not Authorized	Authentication header is missing or the supplied API token is invalid.
403	Forbidden	The user associated with the API token has no permission for the requested operation.
404	Not Found	The resource specified in the request does not exist.
405	Method Not Allowed	The API call was made with an unsupported HTTP method. (e.g. GET instead of POST.)
409	Conflict	A POST or PUT operation failed because it conflicts with existing data.
500	Internal Server Error	A generic error occurred on the server. The response's message property contains a description of the error.