BHIM is an Indian state-owned mobile payment app developed by the National Payments Corporation of India (NPCI), based on the Unified Payments Interface (UPI). Launched on 30 December 2016, it is intended to facilitate e-payments directly through banks and encourage cashless transactions. The application supports all Indian banks which use UPI, which is built over the Immediate Payment Service (IMPS) infrastructure and allows the user to instantly transfer money between 170 member banks of any two parties. It can be used on all mobile devices. The app is named in honour of B. R. Ambedkar.