Intuit's QuickBooks ... 2.9% plus $0.60 per credit card transaction (for the Starter Plan) or 2.9% + $0 per credit card transaction for the first 10 transactions per month (for the Pro Plan).
you must have a QuickBooks Online or QuickBooks Desktop account. You can process payments through the QuickBooks POS or GoPayments app, plus accept invoice payments from customers or mobile ...