Is There An Online Credit Card Processor For Cs-Cart?

I know we can do OFF line payments but is there

an on-line add on ?

I know we can do OFF line payments but is there

an on-line add on ?

Sure, find list of integrate systems here

https://www.cs-cart.com/features-payments-and-shipments.html

Or if you want to use Square, you can buy our EZ Squarepay addon. It allows you to do refunds, additional charges, etc. direct from the Order details page. Customer's can also save their card data AT SQUARE for future use.