1) In QuickBooks Online (QBO), click the + New button
2) Choose Pay bills
3) On the Pay Bills screen, checkmark the bill you wish to pay, QBO will automatically apply the vendor credit
4) Change the payment amount to $0.00
5) Click Save and Close
6) View the bill, it will reflect the correct balance due after applying the vendor credit
7) Click the Save and schedule payment button, the bill will be paid for the correct remaining balance.