QuickBooks Merchant Services has been merged and is now QuickBooks Payments.
To learn more about this development head here:
https://quickbooks.intuit.com/payments/faqs/qbo-account-migration/
All Orders does not support the new QuickBooks Payments and there are currently no plans to support it at this time.
Solution: Check out Order Time!
Our cloud-based platform, Order Time, can connect to QuickBooks Enterprise/Premier/Desktop, QuickBooks Online, and XERO.
Order Time supports the new QuickBooks Payments as a Payment Gateway.
To learn more about Order Time Inventory, head here.