According to the following posts on the developer forum, we need to make a request to the developer support team in order to enable the Meetings API.
We have sent an email to the right email address a few days ago and still have not received a response.
Can someone here help?
https://forums.developers.ringcentral.com/questions/7925/in-order-to-call-this-api-endpoint-user-needs-to-h-3.html