Google Signin: Permission Denied To Generate Login Hint For Target Domain (javascript Web App)

I'm using the Google signin Javascript API (that is, the gapi-signin-button) on a webapp. The app is served by a gulp server, binding to 0.0.0.0. The login process works when I dev

Solution 1:

I had this same problem and just figured it out. You can't use numerical ip addresses (like http://0.0.0.0) as redirect uris in Google. It has to be an actual url, like http://mycompany.com.