In some cases a request to Adhese endpoints might result into an error, and a custom error code is returned. Here is the list with possible codes and an explanation.
|400||Error while parsing request||The specific error is returned in the x-adhese-bad-request header|
|442||Request contains duplicate slots||The offending slots are listed in the x-adhese-bad-request header|
|443||Request has no or unknown request type|
|447||Request is missing a callback URL|
|452||Request is missing the commit string for ad pods|
|453||Request is missing the max ads parameter|
|500||Adhese encountered an internal/unknown error|