Authorize.Net refund/credit integration (and Avalara Tax calculator integration

Has anyone done an integration with Authorize.net's refund/credit gateway?  How about an Avalara tax calculator Web Services integration?

Thanks!

Tony Farwell
GovX, LLC

Hi,

My business has created a nopCommerce Avalara integration:

http://www.ablesf.com/nopCommerce-Avalara-Connector-P110.aspx

Contact me for more info:

Joseph Anderson
781 330 0737
[email protected]