Odoo administrators can revoke authorizations for a single user or multiple users.
Revoke from Users menu
Odoo administrators can revoke authorizations for a single user by clicking on Settings → Users and Companies → Users.
Find the user you need to revoke the authorization for, and click on his/her name.
On the REST API Authorizations tab find the application you want to revoke the authorization for, and click on the waste-bin icon on the rightmost side of the line:
Revoke from Authorizations menu
Odoo administrators can revoke authorizations for a single or multiple users by clicking on Settings > Oregional > REST API > Authorizations
Select the users for which you would like to revoke the authorization, by selecting their names with the check-boxes on the left.
Click on the Action drop-down list and click on Delete.