Accept creditcard payments in your site with Paypal Payments Pro plugin for K2Store. The plugin integrates the Direct API, which means the customers will stay in your site whilst making the payment for his order.
NOTE: Paypal Payments Pro is available ONLY in the United States, Canada, and the United Kingdom.
The plugin sends the data via cURL securely to paypal servers and displays the result immediately.This means you can keep your customers on your site. You can download the documentation PDF for the plugin after purchasing.