When placing orders from online stores, more and more customers prefer to pay by credit or debit cards. This payment method is fast, simple and reliable. The buyer is required only to enter the card data and the corresponding amount is automatically deducted from your account. However, a novice owner of online store credit card processing mechanism in the Internet may seem not fully understood.
When you in the store present a cashier your credit card for payment, credit card information and payment data is read via a special device and sent to the bank where the account is opened to the seller. The seller's bank associated with the bank that issued the credit card to customer. If the transaction is approved by bank, then certain amount of money is transferred to the seller.
In e-commerce credit card processing payments are made by the same way except one: a device that reads your credit card information is replaced with the payment system - a specialized company, providing services for secure credit card processing, write-off from their means, and their transfer to seller's bank account.
There are a large number of payment systems that provide their services to owners of Internet shops. To use the payment system to register it and get the so-called merchant account - an account that allows you to accept payments by credit cards.
Despite some differences in the services of payment systems, credit card processing is the same in online store.

1. The buyer placing an order, enter his credit card data at online shop.
2. Information about ordering and merchant account of the seller sent to the server of the payment system through a secure connection (SSL).
3. The payment system sends information about the payment to the bank, at which is opened seller account.
4. The bank credit card information is checked for accuracy and availability of funds. The appropriate response is sent back to seller's bank.
5. The bank sends a response and details of payment in the payment system. If given permission to charge-offs, the amount transferred to the seller.
6. The payment system sends the results to a transaction in online store.
7. The report about the payment (or refusal of reception facilities) is given to buyer.

Depending on the bank merchant credit card type and use the payment system is charged payment fee. Typically, commission is 2-3% of the total purchase price.