GPAY is a mobile wallet that customers of any Grameenphone number can use to recharge their GP mobile numbers, make payments of utility bills (Electricity, Gas or water) and to purchase train tickets from their own mobile number. To use GPAY, customers have to register by using the GPAY mobile app (from Google Play store) or just dial * 777 # from any device. Once you are registered, you are allowed to make your payments. To refill your GPAY wallet you can use your bank accounts (Rocket, AB Bank