Base Requirements
PHP Version = 4.3 or newer or 5.1.2 or newer
PHP Curl Support
PHP XML Support
PHP Session Support
PHP MySql or MySQLi Support
PHP Safe mode off
ionCube Loader http://www.ioncube.com/loaders.php
A WCT affilate id with xml enabled on your account
Static Server IP address for the server accessing the xml interface, can be a shared address for non ssl sites

Web Hosting Storage

Supported Platforms
Windows 2000/2003 (x86)
Linux (x86)
Linux (x86-64)
FreeBSD 4 (x86)
FreeBSD 6 (AMD64)
OpenBSD 3.7 (x86)
OpenBSD 3.9 (x86)
Solaris (x86)
Solaris (sparc)

Booking form Requirements (optional)
SSL support enabed in the PHP Curl module
Secure server
Email support on webserver