WorldPay was an early entrant into the Internet Payment Service Provider market and offers a range of payment processing solutions. Worldpay accepts numerous transaction currencies in addition to several payment methods. The extension supports credit card payments via “Select Junior” with callback functionality (see documentation for configuration details). The extension facilitates Worldpay payment integration, enabling payment processing through an existing merchant account. Payment data is transmitted via WorldPay’s payment form, eliminating the need for PCI DSS Certification.