This API is not yet generally available for production use. To join the waiting list, complete the request form. While your request is being reviewed, you can try the API by running your app on localhost. Don't forget to add localhost to the list of Authorized JavaScript origins in the Google APIs console.

Seamless sign-in and sign-up flows

One-tap sign-up

Sign up new users with just one tap, without interrupting them with a sign-up screen. Users get a secure, token-based, passwordless account on your site, protected by their Google Account.

Automatic sign-in

Sign in users automatically when they return to your site on any device or browser, even after their session expires.
Ready to integrate one-tap sign-up into your site?