Cayan (formerly Merchant Warehouse) is a provider of payment technologies and merchant services. Based in Boston, Massachusetts, the company provides technology for physical stores, mobile locations and webshops. Cayan was founded under the name Merchant Warehouse in 1998. The companys technology solution, the Genius Platform, offers merchants "one integrated platform [that accepts] chip-and-PIN cards and [handles] mobile payments in the future." In 2013, Cayan opened a technology development center in Belfast, Northern Ireland.