AbleCommerce Shopping Cart Software

Hi there,
I am all set up with Beanstream for merchant account and gateway, etc. Now i need to know if anyone can recommend an API for integrating with beanstream? I have found this online but am not sure about it...... any advice?
http://www.download32.com/ablepayments- ... 22139.html

One of our developers did a Beanstream integration not long ago. I just don't know any details or pricing. You can contact someone here:
http://www.web2market.com/ContactUs.aspx