Get user info via Google API

Is it possible to get information from user’s profile via Google API? If it is possible, which API should I use?

I’m interesting in such information:
Url to the user profile (e.g. https://profiles….

OAuth 2.0 Token and Lifetime

I am trying to understand OAuth 2.0(SERVER SIDE FLOW). Lets take simple example of Google contacts API.

As per specifications, I have registered my app with Google and have got Client ID and Client …