Silver Leopard cash register system payment interface is not open. According to the query relevant public information, Silver Leopard currently does not provide value-added services to open interface docking services, Silver Leopard cash register system is a new generation of cash register system software developed by Xiamen Quasi-Active Network Technology Co., Ltd. for retail, catering, tea, baking, mother and baby, beauty, pets, art training, fresh, clothing, wholesale and other small and medium-sized stores to use to support the chain of stores.