I was just using the direct URL to generate the code and acquire the token.
https://id.twitch.tv/oauth2/authorize?client_id=MY-CLIENT-ID&redirect_uri=http://localhost&response_type=code&scope=SCOPESI was just using the direct URL to generate the code and acquire the token.
https://id.twitch.tv/oauth2/authorize?client_id=MY-CLIENT-ID&redirect_uri=http://localhost&response_type=code&scope=SCOPES