What is the charge for someone paying by american express on their invoice

Good Morning, @Tim75. 

I hope your day is going well so far. The good news is that you've come to the right place, and I have some information to help answer your question about rates per transaction by credit card. If the customer pays the payment on the invoice sent to them, the rate will be 2.9% plus $0.25 per transaction. Here are some additional rates that may come in handy if your client decides to pay differently: 

• Bank Transfers (ACH): 1%
• Swiped: 2.4% plus $0.25 per transaction
• Keyed: 3.4% plus $0.25 per transaction

If you want to learn more about fees and rates, you can check out our QuickBooks Payments page. 

Should you need further assistance, don't hesitate to ask. I want to make sure all of your questions are answered. Have a splendid day!