How do I ensure invoices and payments via Node.js API go to custom A/R or subaccount COA in QB Online, not default A/R, despite passing the correct COA ID in the payload?

I recognize the difficulties you're experiencing with the allocation of invoices and payments via the Node.js API to the custom A/R account in QuickBooks Online, Ashish.

To address this specific issue, since you are utilizing the QuickBooks Online API, I recommend reaching out directly to our Intuit Developer Support team. They specialize in assisting developers with API-related concerns and can provide you with the necessary guidance and support to ensure invoices and payments are correctly allocated to your custom A/R or subaccount COA.
 

Contacting our Intuit Developer Support team will allow them to dive into the specifics of your integration and provide you with tailored assistance to resolve this matter efficiently. They have the expertise to help you troubleshoot any code-related issues and ensure that the API calls are correctly passing the COA ID or Subaccount ID for the desired account allocation.
 

You can reach our Intuit Developer Support team through the developer support website. They will be more than happy to assist you in resolving this issue and ensuring the smooth functioning of your integration.

If you have additional questions about QuickBooks or anything related to QuickBooks, please don't hesitate to reach out to us in the Community for further assistance. We're more than happy to help. Have a great day.