Hello ea-at-q-b-o!
Thank you for the information. Currently, the support account types for Westpac Direct feed connection are Business and Personal accounts. If you wanted to connect your credit card and loan account to QuickBooks Online, you can use the standard feeds connection type.
You can check this article to learn more on the supported accounts for direct feeds in QuickBooks Online Connecting your bank account to QuickBooks via Direct feed FAQ.
You can always comment below if you need more help with online banking in QuickBooks Online. The Community is here to help you. Have a nice day!