Determine Whether Google 2-Factor Authentication is enabled for a User via API

Question

I want to develop an application that uses Google as the authentication provider, but I want my app to know if the Google account is using 2-step verification before the account is enrolled in my app.

Can't find the required API in Google dev docs.

Answer 1

This answer here explains how to find out if users have 2-step verification turned on. See API documentation here and parameters here.