No, Payline Secure Gateway is integrated directly into your online store.  We have multiple integration methods, the most simple of which will redirect your customers to our secure checkout servers.  If you have SSL enabled on your website you may be able to use more advance integration methods (such as three step redirect) which will enable you to maintain the user experience 100% through the checkout experience.  Customers never have to leave your store to make a payment, improving customer checkout conversions and growing your revenue.