VeriSign Payment Processing Gateway
Payflow Pro
Accept payments on your Web site with VeriSign® scalable, fully customizable payment gateway solution. Payflow Pro is recommended for merchants who require peak site performance and direct control over payment functionality on their Web site. Payflow Pro also allows you to process orders received offline (via telephone, fax, e-mail or in person) using a virtual terminal. The Payflow Pro client is available as a software download that includes a software development kit for simple API integration. The client is also integrated with most major shopping cart software.

Payflow Link
Accept credit cards, debit cards, and more with this hosted order form service. Payflow Link is a service designed for merchants who require a simple solution for accepting payments on the Web. Simply add a small piece of HTML code to your site, which will link your customer to order forms hosted by VeriSign®. Payflow Link offers you a simple package for payment processing, including credit cards and electronic check processing as well as orders received offline (via telephone, fax, e-mail or in person). The Payflow Link service works with most major shopping cart software.