Listrak provides some basic 400 level error responses from REST API. Below is an example of the 400 level response:
"message": "Authorization was denied for this request."
In order to keep this endpoint secure, Listrak provides the error detail inside of the Platform.
Navigate to Integrations > Integrations Management.
Click on the name of the integration.
Click on the log tab to open the error logging.
These are the error types that will show up in the error log:
Invalid client secret
IP address not whitelisted
Token belongs to another integration
Please note that since this logging page is based on the Client ID of the integration, errors of wrong or different Client IDs will not show in this log.