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You can provide seamless authentication flows to your users with Google's
one tap sign-in and sign-up APIs.
With One Tap sign-up, users are prompted to create an account with a dialog
that's inline with your app's content, so they're never taken out of context
by a sign-up screen. With just one tap, they get a secure, token-based,
passwordless account with your service, protected by their Google Account. And,
of course, since there's such little sign-up friction, users are much more
likely to register.
Returning users are signed in with one tap, even when they switch devices or
platforms. And for returning users, One Tap sign-in works with passwords, too.
If they've saved their password with Google using Android autofill, Smart Lock
for Passwords, or Chrome on any platform, they can share those credentials with
your app and get signed in with zero friction.
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-07 UTC.
[null,null,["Last updated 2025-02-07 UTC."],[],[],null,["# Overview of One Tap sign-in on Android\n\n| **Caution:** One Tap for Android is deprecated. To ensure the continued security and usability of your app, [migrate to\nCredential Manager](/identity/sign-in/credential-manager). Credential Manager supports passkey, password, and federated identity authentication (such as Sign-in with Google), stronger security, and a more consistent user experience. \n\nYou can provide seamless authentication flows to your users with Google's\none tap sign-in and sign-up APIs.\n\nWith One Tap sign-up, users are prompted to create an account with a dialog\nthat's inline with your app's content, so they're never taken out of context\nby a sign-up screen. With just one tap, they get a secure, token-based,\npasswordless account with your service, protected by their Google Account. And,\nof course, since there's such little sign-up friction, users are much more\nlikely to register.\n\nReturning users are signed in with one tap, even when they switch devices or\nplatforms. And for returning users, One Tap sign-in works with passwords, too.\nIf they've saved their password with Google using Android autofill, Smart Lock\nfor Passwords, or Chrome on any platform, they can share those credentials with\nyour app and get signed in with zero friction.\n\nReady to give it a try?\n\n[Get started](/identity/legacy/one-tap/legacy-get-started)"]]
