Zumpul has to communicate and perform some actions like listing the users in your domain, groups, etc and also write the signatures in your users' emails, to achieve this is necessary to make sure that the API access is enabled in your domain, follow the steps shows to confirm:
Usually when you get this login error message, it is because the Zumpul installation wasn’t completed properly, most of the time because is needed to enable an API on your Domain. TO FIX ANY installation Error on Zumpul and enable the API, please ...
This is commonly because the API access is disabled in your G Suite domain, you'll need to enable it as Zumpul uses it to read your users and their profiles, for more information on how to enable it, you can watch this tutorial: ...
Through this module, we walk you through the process of installing Zumpul in your G Suite domain in order to start setting your users' signatures from a centralized control panel. We also show you how to log in and our the app. Starting with Zumpul ...
No, only the G Suite super admin who installed the app is able to login by default, or any collaborator that is intendedly added as a collaborator in the app, for more information on how to add signatures managers or collaborators ...