I am using create payment API with linked txn to Invoice but its not working.
Here is the payload:
Hello there, userprashant-preetam.
Let me get you to the right support team that currently handles QBO API concerns. We have Developers Team that are experts in handling QBO API app integration and provide ways on how you can mark an invoice as Paid using REST API with JSON.
Here's how you can reach them:
You might also want to visit this link for more information about the product: QuickBooks Online REST API Apply payments to an invoice.
If there's anything I can help you with, just let me know by leaving a comment below or post again. Thank you and have a great day ahead.