Method, system and apparatus for integrating transaction request functionality with web content

A system for connecting a client device configured to display content and generate transaction requests, with merchant systems configured to receive and process transaction requests, the system comprising:

• an intermediate server connected with the client device and the merchant systems, the intermediate server storing a web application containing the content, the content including an element selectable for causing the client device to generate a transaction request associated with one of the merchant systems;
• and,
• a payment data server connected with the intermediate server and the merchant systems, the payment data server storing payment data associated with the client device;
• the intermediate server configured to deliver the web application to the client device for display at the client device;
• the client device configured to execute the web application and, in response to a selection of the selectable element, to generate and send the transaction request to the intermediate server;
• the intermediate server configured to receive the transaction request, to identify the merchant system associated with the transaction request, and to forward the transaction request to the identified merchant system;
• the intermediate server further configured to determine whether to supplement the transaction request with payment data associated with the client device prior to forwarding the transaction request, and if the determination is affirmative, to retrieve the payment data from the payment data server and add the payment data to the transaction request.