Basware Message: Server returned HTTP response code: 400


Basware Message can experience connectivity issues between the machine where it is installed and our Gateway servers.


Please check if one of the following errors is displayed when a data transmission is initiated:

These error messages mean that the software could not authenticate properly;

There are two possible reasons for this:

Please check which version of Basware Message are you using (this is mentioned in the notification panel when you open the application);


Guide 1:



Guide 2: