If you are about to start an online business, you would require to subscribe to payment gateway service. The payment gateway is very important in processing the credit card information of people who purchase things from your site. You need to make sure that the payment gateway service is very reliable. Every single time your payment gateway goes down, you get stuck out of business. This means that the more a payment gateway goes down, the more you business has to suffer. It is strongly advised that you must check the reliability figures of a payment gateway service before you go for it.