I want to make sure you're able to apply your invoice payments correctly, @comet52,
You will need to have a QuickBooks Payments account to enable users to process ACH and credit card payments online. You can see the updated pricing and features here: Get started with QuickBooks Payments.
Once done, you may download the GoPayment app on a mobile device, so they can use it to process payments from customers. To get an overview on how it works and learn how to use the app, see the following articles:
You can also contact our Payments Support to get more information about this app and how it works with QBO. Click this link to get in touch with our QuickBooks Payments Support Team.
Let me know if there's anything else you want to know about GoPayments. Connect with me again anytime using the comment section or by mentioning my name on your posts. Have a wonderful week!
