|Project Description: ||With the improvement of living standards, stores are growing bigger with variety of available products. Therefore, building a simple, fast and convenient shopping guide system has become a concern for both merchants and customers. Security has become a major concern for the consumer providing credit card details. Major threats are reported at both onsite and online transactions. So it is important to create a system to establish secured payment method. Proposed system is the implementation of a secured operational model for mobile payment in which access control is based on Service-Oriented architecture. A consumer uses his/her mobile device to get authorization and generate a QR code as the payment certificate to pay for the products to purchase. Using REST web service for communication between different applications would help in instant messaging, which increase in performance of the system. User details are encrypted using HMAC encryption technique.