You can pay Mokum Events in various ways, for instance by using the invoice that is always attached to the confirmation of your Amsterdam outing. This invoice needs to be settled 7 days before the start of your Amsterdam Outing.
You may also opt to pay safely and simply with your credit card. There are however costs attached to this (Visa and Master card 3,8% + €0,15, Mister Cash: 2,5% + €0,25)
Please inquire for further options.