Web Services Background:

Cleo Clarify 3 can function as a web services SOAP/REST consumer. Below are APIs EBI users can interface with to consume the respesctive party's web services.

EBIThree.com Web Services Posts:

Create REST Webservices Provider in less than 15 Minutes
Use Firefox's Firebug Addon to Debug Webservices

FedEx API

API Homepage

UPS Shipping API

API Homepage

USPS Track & Confirm API

API Homepage

DHL API

API Homepage

YRC API

API Homepage