Revoking Login You can also let people completely de-authorize an app, or revoke login, by making a call to this Graph API endpoint: DELETE /{user-id}/per

Revoking Login You can also let people completely de-authorize an app, or revoke login, by making a call to this Graph API endpoint: DELETE /{user-id}/permissions This request must be made with a valid user access token or an app access token for the current app. If the request is successful, your app receives a response of true. If the call is successful, any user access token for the person will be invalidated and they will have to log in again. Because you're de-authorizing your app, they will also have to grant access to your app as if they were logging in for the first time. https://developers.facebook.com/docs/facebook-login/permissions/v2.0 https://developers.facebook.com/docs/facebook-login/permissi...