All payments on WilliamWine.it are safe. You can choose to pay in several ways:
Payments by credit card do not involve any commission and are safe, as the card details are managed directly on the bank's website, even if you want to save the card details for future purchases. You can pay with all credit cards of the Visa and Mastercard circuits.
Paying with PayPal, after confirming the order, you will be redirected to the Paypal site for payment.
On the Paypal site you can also pay with your credit card. In particular, this option can be used by American Express and Diners Club card holders.