Zoom Video Communications, Inc. is an American communications technology company headquartered in San Jose, California. It provides videotelephony and online chat services through a cloud-based peer-to-peer software platform used for video communications (Meetings), messaging (Chat), voice calls (Phone), conference rooms for video meetings (Rooms), virtual events (Events) and contact centers (Contact Center), and offers an open platform allowing third-party developers to build custom applications on its unified communications platform.