The Video SDK enables developers to leverage Zoom’s industry-leading HD video, audio, and interactive features to build video-based applications and desktop experiences with native user interfaces.

If you want to include video in your app, you could try and code it yourself, or you could simply take advantage of Zoom’s expertise in this area and use the SDK to add video to the application and save a lot of time and effort

Read the announcement: https://techcrunch.com/2021/03/22/zoom-introduces-new-sdk-to-help-developers-tap-into-video-services/