Identity
Understand and build advanced authentication systems with Chrome
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Seamless credential sharing
Enable Chrome to share login credentials across sites.
Verify phone numbers on the web
WebOTP gives users one-time passwords through SMS.
Verify a phone number on desktop
WebOTP helps users enter a phone number verification code on a mobile website in one tap without switching between apps.
Passkeys
Passkeys are an easier and more secure replacement for passwords, enabling users to sign in to their account by unlocking their device screen.
Autofill
Autofill is a feature that allows browsers to automatically fill in form fields with users' saved information, such as name, address, and payments details.
Federated Credential Management API
Overview on MDN
The Federated Credential Management API (or FedCM API) provides a standard mechanism for identity providers to make identity federation services available on the web without the need for third-party cookies and redirects.
Developer guide
Learn how to implement the FedCM API step by step for both IdP (identity provider) and RP (relying party).
More resources
Web Identity
Review a curated collection of high-quality resources to help you understand authentication basics and how to build your own authentication systems, with modern APIs.
Sign in with Google
Learn how to provide secure, one-click sign-up and sign-in for your users with their Google Accounts.