build website/apps payment processing using api

This is a simple website configuration for a payment app for android and itune. Users will send money to each other using this app. Monies will be processed using available api from a processor. You will attached/build such site/app and connect api to get a working product. All account information will be stored with payment processor. So basically your task will be to connect api after you design this site. App will also use gps technology to locate desired business. Users will submit business name. Business upon approval will get a page with description and location. Business will be the receiver of the monies transmitted. Examples will be given to winning bidder.