If you use Google Authenticator for iPhone or Google Authenticator for Android, you can start that app and get an authentication code there. Google Authenticator is a good option for keeping your

Scroll down and click on Use two-factor authentication to expand. Here in Code generator section click on third-party app. This will open a new window containing a QR code and a Secret key. To set the things up you can either scan this QR code via Google Authenticator app or manually type the Secret key into it. Google Authenticator: What It Is and How to Set It Up Oct 29, 2019 What Is Google Authenticator (and How to Use It) | Tom's Guide May 28, 2020 Generate QR Codes For Google Authenticator Feb 10, 2014

Feb 10, 2014

I am using Google API for .Net, but no doubt you can find the same way to obtain this information using other version of API. As user872858 mentioned, scope userinfo.profile has been deprecated (google article) .. To obtain user profile info I use following code (re-written part from google's example):. IAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow( new recovery - Where to find Google Authenticator backup codes When locked out of your account due to new or lost phone, use the backup code in place of the Authenticator code on the website itself. This was not obvious. I though the backup codes restored the keys like a Bitcoin wallet. Or that there was a separate page to enter the backup code and get the key and QR code to scan. How to Use Google Authenticator - YouTube

Once configured, you can get verification codes without the need for a network or cellular connection. Features include: - Automatic setup via QR code - Support for multiple accounts - Support for time-based and counter-based code generation To use Google Authenticator, you need to enable 2-Step Verification on your Google Account.

Authorization | Analytics Management API - Google Developers