UPD: This is an old guide and you don't need to configure social integration via Admin panel anymore. Use API to login a user with Facebook/Twitter.
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In order to use QuickBlox Social API (Twitter/Facebook) you have to:
- Create Facebook/Twitter application
- While registering the application supply Callback Url:
- http://api.quickblox.com/auth/facebook/callback for Facebook
- http://api.quickblox.com/auth/twitter/callback for Twitter
- Enable social integration on your QuickBlox application (on admin panel) - Enter auth credentials for the platform you want to enable
Also you can follow QuickBlox Social Networks Integration Manual