Hi, @marvieir,
Thank you for posting in the Developer Forum. Please make sure you are using the latest token. More details on refreshing Access tokens can be found in our help documentation. You may also be interested in checking out this helpful developer Forum post linked below.
Help Documentation :
https://marketplace.zoom.us/docs/guides/auth/oauth#using-access-token
Developer Forum post :
Let me know if this helps,
Donte