Why is it not possible to use a SEPA direct debit to pay for topping up data volume?

Why is it not possible to use a SEPA direct debit to pay for topping up data volume?

Currently, 1NCE only offers SEPA bank transfers and Credit Card to pay for top-up.

1NCE 商店

访问 1NCE 商店，轻松连接您的物联网设备。您只需订购 SIM 卡，选择所需的 SIM 卡类型，并填写所有必要表格。付款通过后，您将在七到十个工作日内收到卡。