Welcome! The Merchant Service Center is a great place to view your transactions, statements, processing information, and more. You can access your merchant account in a couple of ways. From within QuickBooks Online:
Click Settings ⚙
Account and Settings.
Select the Payments
Then Manage details. A new tab will open to the Merchant Service Center.
You can also access the Merchant Service Center directly from a web browser at merchantcenter.intuit.com. Sign in with your payments account email address and password.
Happy to help with any other questions or concerns. Just drop a comment below!