Response Codes

HTTP Code	What it means
`200`	OK (Everything worked as expected)
`201`	Created (The object you specified has been created)
`202`	Accepted (The object you specified has been accepted for processing)
`204`	No Content (OK, but nothing to return)
`400`	Bad Request (Often missing a required parameter)
`401`	Unauthorized (Authentication failed. See Authentication)
`402`	Request Failed (Parameters were valid but request failed)
`403`	Forbidden (Trial account has expired)
`404`	Not Found (The requested item doesn't exist)
`422`	Unprocessable Entity (Your request has semantic errors)
`429`	Too many requests (You have exceeded our rate limits)
`500`, `502`, `503`, `504`	Server Errors (Something went wrong on ChartMogul's end)

Additionally, error messages will be included in responses wherever possible to help you identify the source of a problem.