Please find more information here.
I created a custom host and allowed account assigment via the Assignment tool. This shows the API token once. I was wondering if there's a way to show the API token once you've enabled it?
open https://login.teamviewer.com/nav/deploy in the browser.Open one custom module by double click.
Remark:Only the creator of the custom module can see the API token.
on the device itself it's not possibility to see / get the API token, which was used for the installation / assignment.
Within the Management Console you could get it, if the custom module still exists.
Your remark was the key, thanks a lot!