Anyone building or built - an API Call into Zoom to Add A Meeting Registrant
https://github.com/veda-consulting-company/ncn-civi-zoom
We have forked the original extension, I would use ours as we have fixes/changes to make it configurable and the original developer hasn't yet accepted them.
At the moment it works with webinars but we can adapt it to work with meetings too.
Let us know if you need anything else or you can raise issues on the repo for anything you need.
Thanks