Online by card (Visa or Mastercard), through NETOPIA Payments. You pay straight from the invoice page in your client account, and the payment is confirmed insta...
Before requesting account closure, download the invoices you need and keep any relevant payment confirmations separately. Invoices can be downloaded from your client account; saving them beforehand means you will not have to rely on access to the account later. Organise the documents by date and invoice number.
Also check whether you still have active services, domains you want to keep or unresolved payment queries. Ask what closing the account would mean before proceeding: account closure, service cancellation and the deletion of personal data should not be treated as the same operation.