A Video Calling API is a software interface that enables developers to integrate video calling functionality into their applications or platforms. It provides a set of tools, protocols, and libraries that allow seamless communication between users through video calls.

This video API facilitates real-time video transmission, audio communication, and other features essential for a smooth video calling experience.

By leveraging a Video Calling API, developers can create applications ranging from simple one-on-one video chats to large-scale video conferencing solutions, enhancing user engagement and connectivity in various contexts.