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2. Payment gateway - Wikipedia

   en.wikipedia.org/wiki/Payment_gateway

   The payment processor forwards the response to the payment gateway, who forwards it to the website. The entire process typically takes 2–3 seconds. [3] The merchant then fulfills the order and the above process can be repeated but this time to "clear" the authorization by consummating (e.g. fulfilling) the transaction.

3. E-commerce payment system - Wikipedia

   en.wikipedia.org/wiki/E-commerce_payment_system

   There are varied types of electronic payment methods such as online credit card transactions, e-wallets, e-cash and wireless payment system. [5] Credit cards constitute a popular method of online payment but can be expensive for the merchant to accept because of transaction fees primarily. Debit cards constitute an excellent alternative with ...

4. E-commerce credit card payment system - Wikipedia

   en.wikipedia.org/wiki/E-commerce_credit_card...

   If an intermediary is present, then the sale and purchase transaction is called consumer-to-consumer, such as an online auction conducted on eBay.com. This payment system has been widely accepted by consumers and merchants throughout the world, and is by far the most popular method of payments especially in the retail markets. [1]

5. Card scheme - Wikipedia

   en.wikipedia.org/wiki/Card_scheme

   A payment gateway is a key party, responsible for online transactions, passing card data from consumer to merchant, and to a relevant bank through the card scheme. The process usually takes place at POS terminals in retail locations, or by means of online payment services for websites. A payment gateway imparts whether the charge has been ...

6. Payment system - Wikipedia

   en.wikipedia.org/wiki/Payment_system

   [1] [2] A payment system is an operational network which links bank accounts and provides for monetary exchange using bank deposits. [3] Some payment systems also include credit mechanisms, which are essentially a different aspect of payment. Payment systems are used in lieu of tendering cash in domestic and international transactions. This ...

7. Merchant services - Wikipedia

   en.wikipedia.org/wiki/Merchant_services

   Merchant services is a broad category of financial services intended for use by businesses. [1] In its most specific use, it usually refers to merchant processing services that enables a business to accept a transaction payment through a secure (encrypted) channel using the customer's credit card or debit card or NFC/RFID enabled device.