You are considered an active user as long as a payment is made on Spendesk during the month.
Any payment method can be used by an active user.
If you submit an invoice, a per diem, a mileage claim, an expense claim, you are active.
Physical card payments and virtual card payments (recurring or single-use) also define the user as active.
Here are some free actions: exporting, accounting and set-up, verify requests or receipts, pay an invoice in the "to pay" tab...
If your accountant has a "Controller" access on the platform and does not submit invoices, its use is free.