After some more testing I tried forming the url without using the google js
lib like such:
https://accounts.google.com/o/oauth2/auth?scope=https://adwords.google.com/api/adwords/&response_type=code&access_type=offline&redirect_uri=MYURL&approval_prompt=force&client_id=MYID.apps.googleusercontent.
Hi there AdWords API team,
First off, awesome news about the sunsetting of the API pricing! Very cool.
One of my freelance developers just started on an AdWords API project for
me this morning. The only problem is that I don't have a sandbox for him.
I've already followed the steps on this