Ecommerce cart that uses type AIM/ SIM and can be manipulated

There are quite a few payment ecommerce stacks available. My merchant NMI has a large list of compatible gateways. Not sure which one works with what stack.

Anyone have any knowledge on the topic?

Rapid Weaver Ecommerce Stack List:

Merchant compatibility List:

After speaking with a rep she said the plugin MAL’s has worked in the past by selecting the option then changing something because the protocol is the same and can be altered.

The information is plugged in to their emulator
(Not 100% sure how this all works as I have never encountered this before.)

First place I find that works with AIM/SIM and can be made to work will be good enough!
There has to be a way…