With bunq, it is possible to approve payments in the bunq app. This help item explains how it works.
Doing payments with the realtime bank connection from bunq
To do payments with the realtime bank connection from bunq, follow the steps below:
Navigate to Expenses in the left-hand menu;
Choose Purchase invoices;
Check the box next to the invoice you want to pay;
Choose Select an action and click Payment batch;
In the popup, select the bunq bank account and adjust the payment amount if needed;
The Payment Method will automatically be set to Direct via the bunq app due to the bunq bank connection.
Click Pay
The payment will now be sent to your bunq account;
Open the bunq app and accept the payment;
Once completed, the status of the invoice in Informer will be updated to Paid.
If you haven't yet set up the real-time bank connection with bunq, check the help guide titled How can I set up the real-time bank connection with bunq? to get started.