>>where is the link for the registration, the only way I can get to the API is through their registration where I have to enter a creditcard number.
>
>I was on phone when the technical support guided me to the proper link. To be sure, you may call 800-810-9073 or email websupport@fedex.com to indicate that you want to register by the online application form on their Web site for the Fedex XML interface and they should be able to help you.

Thanks Michel