Payoo is VietUnion Online Services' online payment services platform that enables users to conduct bill payments. Additionally, VietUnion provides other software solutions that include a mobile POS system, smart-card solutions for transportation, location-based solutions for billers, and tuition fee management and collection services for schools in Ho Chi Minh City. Payoo – Dịch vụ thanh toán mọi hóa đơn tiện lợi, an toàn hàng đầu Việt Nam