Integration Guide

Table Of Contents
Third-Party Shopping Carts – The Cart Upload Command
How A Third Party Shopping Cart Works
5
244 September 2008 Website Payments Standard Integration Guide
FIGURE 5.1 Third Party Shopping CartAdd to Cart
In this example integration, the third party shopping cart is programmed by the vendor to
display the contents of the cart each time Bob clicks an Add to Cart button. In addition, Bob
can click the View Cart link at any time to review the items already in the cart and to begin the
PayPal Website Payments Standard checkout experience.
FIGURE 5.2 Third Party Shopping CartView Shopping Cart
After selecting the items he wants to buy and specifying their quantities, Bob clicks the
Proceed to Checkout button.