by Facebook
free
Integrate with Facebook to help you build engaging social apps and get more installs.
by Google
The Google+ platform for Android lets you authenticate a user with the same credentials they use ...
by Twitter
OPENSOURCE
Digits empowers your users to sign up or sign in to your app using their phone numbers -- an iden...
Get users into your apps quickly and securely, using a registration system they already use and t...
by Amazon
Amazon Cognito Identity Provider. Using the logins property, you can set credentials received fro...
Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries ...
When you want your Android app to access Google APIs using the user's Google account over HTTP, t...
Help secure customer information by leveraging the same user authentication system used by Amazon...
by Pinterest
The Pinterest SDK helps you easily integrate your apps with Pinterest. Using the SDK, you can aut...
by Tencent
QQ login and an Open API for social channels to share, invite, request gift and challenge to show...
The fast and safe way for people to log in to your app or website.
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