BASE, Inc. engages in the planning, development, and operation of web services in Japan. It operates through three segments: BASE Business, PAY Business, and Other Business. The company offers an online shop creation service under the BASE name; and YELL BANK, a financial service that allows shop owners who use the online shop opening service BASE to raise funds. It also provides PAY.JP, an online payment service for developers to integrate credit card payments to web services and online stores; and PAY ID, a shopping service that can be used at any shop using BASE. BASE, Inc. was incorporated in 2012 and is headquartered in Tokyo, Japan.