What it is?
A PHP (Hypertext Preprocessor) script that is designed to output RealTime Postal Rates and other prudent information from the U.S. Postal Service XML Rate Calculator for domestic locations.
What is the advantage of adding a Rate Calculator into my shipping operations?
With a live shipping calculator customers and employees will be able to obtain accurate and economically priced shipping rates.
An HTTP Server (Peripherally Apache).
PHP version 5.0 or later configured with "--with-xml" (If not instaled by default).
A U.S. Postal Service Web Tools user account. See www.usps.com/webtools.
USPS Web Tools Technical Guides. Available at www.usps.com/webtools.