Configure the channel Airbnb within Booking Experts.
Click on the following link: https://app.bookingexperts.nl/support_links/L3BhcmtzL35wYXJrX2lkfi9jaGFubmVscw
Click on '+ New'. Airbnb is already in the list with channels that can be added (see screenshot). After creating the channel, the API-key will be visible.
Don't forget to configure extra costs etc.
Has this been done?