The advantage of having a merchant account is that it allows customers to pay without leaving the retailers site and there is almost no limit to the
The advantage of having a merchant account is that it allows customers to pay without leaving the retailers site and there is almost no limit to the ways that a merchant can build specific functionality related to payments that makes business easier for customers and a business. Yet there is a solution even for those who dont have a merchant account. Such retailers can avail of PayPal's Instant Payment Notification (IPN) system.
With PayPal IPN merchants' applications receive automated notifications about payment status so that these applications can perform whatever functions are desired when specific payment events occur.
