Looking for logging into the Facebook Get User Id site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Facebook Get User Id site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/3546677/how-to-get-the-facebook-user-id-using-the-access-token
https://developers.facebook.com/docs/facebook-login/connecting-accounts/
https://developers.facebook.com/docs/php/howto/example_retrieve_user_profile/
https://developers.facebook.com/docs/graph-api/reference/v3.2/user
https://www.quora.com/How-do-I-find-my-Facebook-user-ID
https://forums.coronalabs.com/topic/69554-login-and-username-with-facebook-api/
https://medium.com/@byn9826/verify-facebook-login-by-python-e02ac1e23e37
https://github.com/SimplicityMobile/Simplicity/issues/15
https://community.spotify.com/t5/Accounts/How-do-i-find-my-username-when-using-Facebook-login/td-p/859795
https://forums.expo.io/t/i-cannot-get-a-users-email-when-i-use-facebook-login/5172
https://firebase.google.com/docs/auth/web/facebook-login
https://auth0.com/docs/connections/social/facebook
https://www.loginradius.com/engineering/using-facebook-graph-api-after-login/