What is Facebook SSO? (Supporting Facebook for Single Sign-On) - Authentication API - A universal API for Single Sign On - LogonLabs
LogonLabs is a universal API for SSO. With just two snippets of code, add all of the popular identity providers to your existing login screens.
It's a given in the 21st Century. Facebook SSO enables existing Facebook and Messenger users to easily and effortlessly sign on to other application integrations.