How do I add a credit card for bill payments?

As I know QB Billpay doesn't support credit card or debit card as the payment method.

https://quickbooks.intuit.com/learn-support/en-us/help-article/pay-bills/online-bill-pay/L8p08lKIW_U...

You can signup for a free Melio account to integrate with QBO and pay your bills with credit card or debit card. The fee is 2.9%

https://affiliates.meliopayments.com/pricing

You can also get $100 cashback to pay the first bill.

https://affiliates.meliopayments.com/cashback

Let me share some information about adding a credit card for bill payments, morris. 

Currently, adding a credit card for bill payments in QuickBooks Online (QBO) isn't available. As a workaround, we can follow 4Gal's resolution, or you can check other third-party applications that work well with the program. 

Here's how: 

1. Go to the Apps menu. 
2. Choose the Find apps tab. 
3. Select the application that suits your preferences. 
4. Click Get app now. 
   
   

You can also visit this website for more info: https://quickbooks.intuit.com/app/apps/home/ 

Furthermore, you can check out this article to learn how to track bills and record payments: Enter and manage bills and bill payments in QuickBooks Online.  

Feel free to hit the Reply button if you have more questions about managing your bills in QBO. Take care!