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...
Do not treat the whole order as a single service. Consumers have a statutory 14-day withdrawal period, but the conditions depend on what you purchased. For domain names, the right of withdrawal is lost once registration is complete.
If you want to cancel the hosting, check the terms you accepted when ordering, including those covering the start of the service. Send a request identifying the domain and hosting package separately, along with your order number. Do not assume that withdrawing from hosting also cancels the domain registration or automatically entitles you to a refund of every charge.