There is the Rate Available Services functionality available at FedEx to request real-time shipping rates. It provides the ability to send a single request to receive the FedEx shipping services available and corresponding rates for a package depenging on origin/destination addresses. The FedEx real-time shipping rates add-on for LiteCommerce allows to use real-time shipping quotes calculation in your LiteCommerce based store. Each time a customer places something in the shopping cart, LiteCommerce displays available FedEx shipping services along with the rates for delivery to customer's address. You'll just need a FedEx account to enable real-time shipping rates calculations in your store with the FedEx shipping rates LiteCommerce module. No more shipping tables, zone charts and weekly updates! Just fill in your FedEx account info in the admin back-end once and up-to-the-minute FedEx shipping rates will be retrieved by LiteCommerce and displayed for customers.