To add Amazon FBA as an existing user of QuickBooks Commerce’s Amazon integration, first, go to the App Store. Click “Shipping,” and click the “Fulfillment by Amazon” button
Insert your Amazon Credentials.
You can choose between importing your products from your FBA account or matching your products on QuickBooks Commerce with those in your FBA account.
If the products on FBA already exist on QuickBooks Commerce, select “Don’t Import Products.”
Click “Install App.”
Fulfillment by Amazon is now installed on QuickBooks Commerce.
Read this next: Module 9: Accounting Integration Setup