RapiCa is a rechargeable contactless smart card ticketing system for public transport in Kagoshima, Japan, introduced by Kagoshima City Transportation Bureau, Nangoku Kōtsū, and JR Kyūshū Bus on April 1, 2005. The name is the acronym of Rapid and Pay Intelligent Card. Just like JR East's Suica, JR West's ICOCA, and JR Kyūshū's SUGOCA, the card uses RFID technology called FeliCa, developed by Sony.