Payment

General

• What payment options are available?
• My credit card or PayPal payment isn’t going through. What should I do?
• Can I retroactively alter my payment method?
• How can I increase my credit limit?
• General questions regarding cryptocurrencies 

Purchase by invoice

• Where can I find my open invoices?
• Why have I received several invoices for one order?
• Can I pay for my order in installments?
• Can I change the billing address retrospectively?
• Why can I not purchase by invoice?
• How can companies pay by invoice?

Reminder

• I need to extend the payment deadline
• I have received a reminder even though I paid for my order

Vouchers

• How do I redeem a voucher?
• General information about vouchers