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2. List of online payment service providers - Wikipedia

   en.wikipedia.org/wiki/List_of_online_payment...

   The following is a list of notable online payment service providers and payment gateway providing companies, their platform base and the countries they offer services in: (POS -- Point of Sale ) Company

3. Payment gateway - Wikipedia

   en.wikipedia.org/wiki/Payment_gateway

   Payment gateways are a service that helps merchants initiate e-commerce, in-app, and point of sale payments for a broad variety of payment methods. The gateway is not directly involved in the money flow; typically it is a web server to which a merchant's website or POS system is connected. A payment gateway often connects several acquiring ...

4. 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 ...

5. 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 ...

6. Payment processor - Wikipedia

   en.wikipedia.org/wiki/Payment_processor

   Once the payment processor has received confirmation that the credit card details have been verified, the information is relayed back via the payment gateway to the merchant, who will then complete the payment transaction. If verification is denied by the card association, the payment processor will relay the information to the merchant, who ...

7. Authorize.Net - Wikipedia

   en.wikipedia.org/wiki/Authorize.Net

   On July 2, 2009, at 11:00 p.m. PST, the entire web infrastructure for Authorize.Net (main website, merchant gateway website, etc.) went offline and stayed down all morning July 3, 2009. [ 16 ] [ 17 ] None of the over 200,000 merchants who used Authorize.Net payment gateway at the time were able to process credit cards.