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  2. Payment gateway - Wikipedia

    en.wikipedia.org/wiki/Payment_gateway

    A payment gateway is a merchant service provided by an e-commerce application service provider that authorizes credit card or direct payment processing for e-businesses, online retailers, bricks and clicks, or traditional brick and mortar. [1] The payment gateway may be provided by a bank to its customers, but can be provided by a specialised ...

  3. Instant payment notification - Wikipedia

    en.wikipedia.org/wiki/Instant_Payment_Notification

    Instant payment notification (IPN) is a method for online retailers to automatically track purchases and other server-to-server communication in real time. This allows E-commerce systems the opportunity to store payment transactions, order information and other sales internally. IPN messages can represent payment success or failures, order ...

  4. E-commerce payment system - Wikipedia

    en.wikipedia.org/wiki/E-commerce_payment_system

    E-commerce payment system. An e-commerce payment system (or an electronic payment system) facilitates the acceptance of electronic payment for offline transfer, also known as a subcomponent of electronic data interchange (EDI), e-commerce payment systems have become increasingly popular due to the widespread use of the internet-based shopping ...

  5. Stripe, Inc. - Wikipedia

    en.wikipedia.org/wiki/Stripe,_Inc.

    Stripe, Inc. Stripe, Inc. is an American multinational financial services and software as a service (SaaS) company dual-headquartered in South San Francisco, California, United States and Dublin, Ireland. [3][4] The company primarily offers payment-processing software and application programming interfaces for e-commerce websites and mobile ...

  6. Payment system - Wikipedia

    en.wikipedia.org/wiki/Payment_system

    A payment system is any system used to settle financial transactions through the transfer of monetary value. This includes the institutions, payment instruments such as payment cards, people, rules, procedures, standards, and technologies that make its exchange possible. [1][2] A payment system is an operational network which links bank ...

  7. PayPal - Wikipedia

    en.wikipedia.org/wiki/PayPal

    eBay, PayPal, Kijiji and StubHub, 500 King Street West, Toronto, April 2014. PayPal Holdings, Inc. is an American multinational financial technology company operating an online payments system in the majority of countries that support online money transfers; it serves as an electronic alternative to traditional paper methods such as checks and money orders.

  8. Secure Electronic Transaction - Wikipedia

    en.wikipedia.org/wiki/Secure_Electronic_Transaction

    Secure Electronic Transaction (SET) is a communications protocol standard for securing credit card transactions over networks, specifically, the Internet.SET was not itself a payment system, but rather a set of security protocols and formats that enabled users to employ the existing credit card payment infrastructure on an open network in a secure fashion.

  9. Shift4 - Wikipedia

    en.wikipedia.org/wiki/Shift4

    Shift4 Payments, Inc. is an American payment processing company based in Allentown, Pennsylvania. [2][3] The company, founded in 1999 by the then 16-year-old Jared Isaacman, processes payments for over 200,000 businesses in the retail, hospitality, leisure and restaurant industries. [2][4] Shift4 specializes in commerce solutions such as mobile ...