Digital Downloads Recurly Checkout Plugin allows your customers to purchase digital products from your site and have their payments processed via credit card through your Recurly account.
Recurly is an enterprise class subscription and billing management solution for businesses. They provide a superb interface for managing your payment profiles and one-time transactions.
Take into consideration the fact that Recurly Payment Gateway does not support the Recurring Payments extension. Also, an SSL certificate should always be used with Recurly.