WorldPay Payment Gateway is a WordPress Plugin that allows the WordPress Download Manager plugin to accept credit card payments without worrying about the Customers Credit Cards Details which are taken care of by WorldPay. Because WorldPay handles the payment process for you, no SSL certificate is required on your site. WorldPay’s affordable online payment gateway enables your business to accept all major payment methods and credit and debit cards, including Diners, MasterCard, Visa, Amex, Maestro and JCB.