Hi service_breainc,
It's great to hear that you're interested in learning more about QuickBooks Online Payments, to provide your customers with the ability to pay directly from the invoice they receive. I would be happy to provide more insight here!
With QuickBooks Payments, you can securely email an invoice to your customer with a Pay now option. However, please note that this feature is currently only available for Canadian payment methods as listed here. Although there is no monthly subscription fee for QuickBooks Online Payments, it's important to understand the rates and fees that apply, as noted in the Pricing Schedule. To get started with QuickBooks Online Payments, click here.
If you have any other questions, please feel free to reach back out. We would be glad to assist!