REST API return codes

The REST API supports the following HTTP response codes to indicate the request status.

Numeric Code	Message	Description
200	OK	The request was successful.
240	No Content	The request was successful, but there is no content to return.
400	Bad Request	The request did not contain all required input, had malformed syntax, or the included input failed validation.
401	Unauthorized	The user does not have valid authentication credentials to access the requested resource.
403	Forbidden	The user does not have access to this endpoint or the entity for which they made the call; or the endpoint or entity does not exist.
404	Not Found	The requested resource has not been found.
409	Conflict	The request conflicts with the current state of the server.
410	Gone	The request uses a deprecated endpoint or property.
429	Too Many Requests	The number of sent requests to the endpoint has exceeded the rate limit.
500	Internal Server Error	The server encountered an unexpected condition, which prevented it from fulfilling the request or serving the response.
503	Service Unavailable	The server was unable to handle the request due to a temporary overload. Use the `'Retry-After'` header as guidance on when to retry your request.