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Get the most from the Google+ platformDiscover why developers love Google+ Sign-In
- Authentication
- Over-the-air installs
- Interactive posts
- App activities
in Google Search
Secure authentication
Streamline user registration.
Cross-device sign-on
Automatically sign in users across devices.
Incremental authorization
Ask users for the right permission scopes at the right time.
Over-the-air installs
Drive automatic Android downloads from your website sign-ins.
Interactive posts
Help your users prompt friends to take specific actions in your app from a Google+ post.
Profile & social graph access
Customize content, suggest connections for your users, and improve engagement through users' connections.
App activities in Google Search
Increase app discovery, drive lasting re-engagement, and share activities that matter.
Other Google+ platform features
Hangout apps
Build collaborative Hangout apps that bring people together in new and interesting ways.
Plugins
Add plugins to your site to grow your audience, on and off of Google+.
APIs for Google Apps
Develop business apps that integrate with Google+.
Watch the latest office hours, Google I/O sessions, and other developer videos.
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