Hi @W2Scott
Thanks for reaching out to the Zoom Developer Forum and welcome to our community! I am happy to help here!
I have edited the bearer token for security on your post.
If you are using the Server to Server OAuth token yes that is the correct ‘Expires in’ Value.
Here is a guide that I wrote about how to use Server to Server with Postman:
Also, I have helped another developer with a similar issue and we were able to figure it out by fixing some account settings (refer to the following post):