Looking for logging into the Facebook Product 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 Product site. After that you can login as usual with your login credentials.
https://developers.facebook.com/products/account-creation?locale=de_DE
https://developers.facebook.com/docs/facebook-login/
https://developers.facebook.com/products/
https://developers.facebook.com/docs/facebook-login/overview/
https://developers.facebook.com/
https://stackoverflow.com/questions/40938383/remove-facebook-login-product-from-dashboard
https://books.google.de/books?id=NfN2BgAAQBAJ&pg=PA15&lpg=PA15&dq=facebook+login+product
https://books.google.de/books?id=9i4tDwAAQBAJ&pg=PT86&lpg=PT86&dq=facebook+login+product
https://github.com/r-lib/httr/issues/515
https://developers.cloudflare.com/access/configuring-identity-providers/facebook-login/
https://wp-native-articles.com/blog/news/how-to-fix-facebook-apps-error-cant-load-url-domain-url-isnt-included-apps-domains/
https://asana.com/guide/help/fundamentals/accounts
https://en.wikipedia.org/wiki/Facebook