Errors

HTTP CODE	DETAILS
400	Request HTTP type is invalid, request critical data is absent or malformed (e.g., no attachment body). Request parameter name or value is invalid. Required parameter is absent.
401	User is not authorized (authorization is invalid, malformed or expired).
403	Access to requested entity is denied for user. Requested action is not allowed due to license/quota limitations, e.t.c.
404	Requested entity is not found. Requested API method does not exist.
429	IP or access token exceeded limit: 400 requests per minute. Rate limit exceeded, try again later.
500	Server side error.