HTTP Response Codes
HTTP status codes returned by the Close API and what they mean.
The following HTTP codes are used in the responses:
200 when the request was successful.400 when there was an issue with the request.401 when the request needs to be authenticated.402 when the request could not be completed, because a limit of your current
plan was reached.403 when an operation was not allowed.404 when the URL was not found.405 when the HTTP method was not supported.415 when the request used an unsupported format.