Twitter API not giving token to authenticate

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My question:

When I try to make a request to get Oauth2 for the twitter API everything is fine. I send a new access token request and everything comes up (twitter loping/auth screen). Then when I authorize my account through the twitter authentication I get the “authorization complete screen” and it tells me to close the screen. I close the screen. But it doesn’t send the token to postman and the request it looking for a callback token. It trys for a minute and then times out.

Details (like screenshots):

How I found the problem:
I want to try and sent tweets to my account through the API and I cannot get the API to authenticate on twitters end.

I’ve already tried:

Making sure adblockers were off
pop ups are allowed
redirect URL is working
all variables are correct

Thanks for any help!