UPI Full Form: Unified Payments Interface (UPI) is a real-time payment system developed by the National Payments Corporation of India (NPCI). It enables instant money transfers between bank accounts through a mobile platform. What Is Full Form Of UPI? The full form of UPI stands for Unified Payments Interface . It is a real-time payment interface developed by the NPCI that facilitates instant transfer between two bank accounts. In addition, it incorporates multiple bank accounts in one interface. What is Unified Payments Interface (UPI) in Banking? The full form of UPI is Unified Payments Interface, a real-time payment system developed by the National Payments Corporation of India (NPCI) that facilitates instant money transfers between bank accounts via smartphones. What is the full form of UPI? The question asks for the full form of the acronym UPI, which is widely used in digital payments. UPI stands for Unified Payments Interface . It is a real-time payment system developed by the National Payments Corporation of India (NPCI).