You can save your codes safely in your Google Account with Google Authenticator. This helps protect you from being locked out of your account when you change devices.

The Google Auth Platform is where you manage your apps and OAuth credentials for calling Google APIs and using Sign-in with Google. Visit the overview page of the Google Auth …

For common errors that may occur when accessing the Google OAuth 2.0 endpoint, refer to the error documentation. Users This graph shows the number of active unique users authorizing …

With 2-Step Verification, or two-factor authentication, you can add an extra layer of security to your account in case your password is stolen. After you set up 2-Step Verification, you can …

To protect you and your users, Google restricts your OAuth 2.0 application to using Authorized Domains. If you have verified the domain with Google, you can use any Top Private Domain …

Think of your client ID like your app's unique username when it needs to request an access token or ID token from Google's OAuth 2.0 endpoint. This ID helps Google identify your app and …

When you use OAuth 2.0 for authentication, your users are authenticated after they agree to terms that are presented to them on a user consent screen. Google verifies public applications …

Learn how to install the Google Authenticator app to get codes on your phone. Security keys are one of the most secure second steps you can use with your Google Account.

Learn why we recommend Google prompts instead of text message (SMS) verification codes. If we notice something different about how you sign in, like your location, you might not be able …

Security keys can be used with 2-Step Verification to help you keep hackers out of your Google Account. Important: If you’re a journalist, activist, or someone else at risk of targeted online attack