Channel Provider Statuses

Failed requests return an error that contains: a response code, a message explaining the reason for the error and a link to any relevant documentation that might help you troubleshoot the problem.

The table below describes the list of predefined errors but you can add others if you need.

Error Code	Error reason	Description
200	OK	Your message is valid, but it is not queued to be delivered.
202	ACCEPTED	Your message is both valid, and queued to be delivered.
400	BAD REQUEST
401	UNAUTHORIZED	You do not have authorization to make the request.
403	FORBIDDEN
404	NOT FOUND	The resource you tried to locate could not be found or does not exist.
405	METHOD NOT ALLOWED
413	PAYLOAD TOO LARGE	The JSON payload you have included in your request is too large.
415	UNSUPPORTED MEDIA TYPE
429	TOO MANY REQUESTS	The number of requests you have made exceeds the rate limitations.
500	SERVER UNAVAILABLE	An error occurred on the server.
503	SERVICE NOT AVAILABLE	The Email Gateway v3 Web API is not available.