For payments via PayPal use the form below.
The payee e-mail address is
Note: 5% of the invoiced amount should be added. For example, you need to send 840 CHF (800 CHF + 5%) so that MDPI can receive 800 CHF.
Online payment is made through the well known PayPal money transfer system.
All communications are secure and encrypted, and no credit card information is stored on our site or available to us in any way.