Hi,
Just like the Auctiva Checkout for eBay, I believe they are only operating with Authorize.Net for merchant card service in the new eCommerce Storefronts.
This thread in that section of the Forum sustains that opinion...
https://community.auctiva.com/e.../98710621/m/55510491I would repost this question in that section of the Forum and ask.
Danno