Exporter using endpoint /profile.json which is available after adding SkipProfileListAuth=1 to Syncovery config file. Because of latest changes related to encryption it has to be added a following way.
Create local file syncovery.ini with content SkipProfileListAuth=1
Login to Syncovery instance. Go to Program Settings
Select Import Config Lines (INI Style)... and choose created file.
You can limit IPs that endpoint is available to by using SkipProfileListAuthForIP option.