Brivo, Inc. is a company providing cloud-based access control and video surveillance products for physical security and internet of things applications. Brivo was founded in 1999. In 2002, Brivo introduced cloud-based access control to the physical security market. The physical access control system works with door card readers and similar devices, and locks or unlock things once an individual has been authenticated. Brivo released the ACS5000 access control system in 2005, with Ethernet and GSM cellular connectivity options. In 2007, Brivo introduced its XML application programming interface (API).