We are already using a JWT application called CleanShelf. But I can’t have another JWT application created in the portal. Why?
By design, an account can only have 1 JWT app because it is an account-wide app and is available to all the admins and owners of the account. You can, however, generate multiple JWT tokens using your existing JWT keys, and the tokens operate independently of each other until expired or the credentials have been changed. A JWT token will contain all the permissions, and there is no way to restrict it. A JWT token is only valid for your account.
Let me know if this helps to clarify!