Hello @Atul Dobhal,
Thank you for posting here in the Community. Let me help you get the support you need to fix the issue with mapping invoices.
Since Salesforce deals with APIs, you may want to reach out to our separate community site called Intuit Developer Forum. They know more about the QBO API integration and can check for ways to get this task done.
Here's how:
- Go to: https://help.developer.intuit.com/s/.
- Click General Questions.
- Select the Ask a Question option.
- Press Sign In.
- Use your Intuit login credentials.
As always, if you need tips and related articles in managing your account, you can check out our QuickBooks Community help website.
Leave a comment below if you have other concerns. The Community and I will be around to help you.