How to integrate google or facebook account login in our website or application?

Question

If we want to integrate this type of login system on website how can we do it or inshort, how to use it's API.

Answer 1

hope this will help u
http://code.google.com/apis/accounts/docs/OpenID.html
https://developers.facebook.com/docs/authentication/
http://dev.twitter.com/pages/auth

for google

https://developers.google.com/identity/sign-in