It is possible to fully delete your Xenioo account.
Canceling your account means that all your account information as well as chatbots, conversations and any other data associated with your account, will be deleted forever.
In order to delete your account, just follow the steps below:
Login to your Xenioo account
Click on your avatar icon, on the upper right corner of the page
Click on "Delete Account" on the left menu
Once your account is canceled, you should still manually unsubscribe from the Xenioo mailing list to stop any further communication coming from Xenioo.