MY CUSTOMER APPLIED AND GOT APPROVED FOR CREDIT KARMA. HOW DO I RECEIVE THE PAYMENT?

Your customer will directly receive the funds to pay the invoice after approval, sales325.

Since the payment is now in your customer's possession, you can reach out to them to inquire about the payment.

This article also provides more details on the process:  Understand QuickBooks Online customer financing options.

Let me know if you have other questions about QuickBooks.