>>FedEx may not have it. All thirtd party needs to create such webservice is the way to query FedEx for tracking info.
>
>Ok, but they have the needs to find a way to extract that information. One possibility is that they are reading the HTML from the page, by the use of the form result, and returns that into a simple Web Service method. The other possibility, is within the FedEx installation package that could be installed locally, assuming its data would be readable from the external.

Yes, something like that.