Payment methods FAQ section: Payment methods availableOnline payments overviewHow online payments really workHow to connect a merchant accountIs PayPal supported? How about Square, iDeal or other local payment solutions?Fraud with card payment (what to do and how to catch the fraudster)Additional security features for online payments Additional security features for online payments On request we can now enable two security features for card payments. One will make the CVC mandatory for every payment (not only the first time). The other one will ask for the ZIP code associated with the card. It looks like this: This may help preventing some of these cases.