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Hi, @amoses12

Thank you for your sharing.
Yes, Domain & URL whitelist on OAuth.io config is caused problem.
To fix this, please go to the OAuth.io main dashboard, add the domain name of the webpage where you will the social login button into ‘Domain & URL whitelist’.

I add this step at "2. Create OAuth.io Account" in this post.
Thank you.

Hi @Lars Hendriks
Thank you for pointing that out.
I made a correction that.