How to make the refund for the paid transaction

Hi there Paru, 

It's vital that all your transactions are entered correctly so that your books can be well balanced.QuickBooks Online is a great tool able to connect to various services through apps made by third-party developers to import and export information. I can point you in the right direction to refund your customers.

If you have QuickBooks Payments set up, you can use it to refund your customers, you can follow the steps in this linked article to process a refund receipt.

You can also look for third-party apps available to connect with other services you may have in order to process the refund by going to the Apps section of QuickBooks Online.

For information relating to APi, you can check out our Developer center, specifically the section mentioning API.

If you have any other questions, feel free to reach out here.