Please use our customer portal for this.
Here you can
change your payment data,
change your billing address incl. VAT-ID,
The customer portal is set to the e-mail address at the time of registration.
If you do not know which e-mail address you are using, we will be happy to help you. If you have any questions about payments and invoices, please contact our billing team:
Via the conversation button in the lower-left corner of the screen on my.candis.io,
or by email to firstname.lastname@example.org.