Welcome to the Community, Megan. I'm here to provide details about your Shopify Balance connection with QuickBooks Online (QBO).

To better understand your issue, could you please provide additional details? Did you encounter any error messages? It would also be helpful if you could attach a screenshot so that we can visualize the problem.

To isolate the issue further, I recommend contacting the Shopify Balance support team to confirm if they allow connection with QBO.

Additionally, you can refer to this article for the third-party apps you can use within the program: QBO Marketplace.

Please let me know if you need further assistance with your QBO integrations. I'm always here to help. Have a great day!