The present disclosure relates to a method and apparatus for purchasing a product from a merchant by a consumer using an electronic device. An association between a transaction identifier and transaction information is stored in a database, the transaction information comprising a merchant identifier, which is associated with merchant information, and a transaction amount. The consumer may purchase the product by having the transaction identifier provided to an application on an electronic device and transmitting the transaction identifier from the application to a transaction processing server. The merchant information and the transaction amount associated with the transaction identifier is transmitted from the transaction processing server to the application and the transaction completed using the application on the basis of the transaction information on the database.