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  2. 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.

  3. Square (financial services) - Wikipedia

    en.wikipedia.org/wiki/Square_(financial_services)

    As of 2023, Square is the U.S. market leader in point-of-sale systems, [4] [5] [6] serving 4 million sellers and processing $210bn annually. [7] [8] Square is cloud-based and offers both physical devices, which read payment card information, and software. [9] [1] It offers financial services and includes features designed to support business ...

  4. 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.

  5. Payment service provider - Wikipedia

    en.wikipedia.org/wiki/Payment_service_provider

    [4] PSP can also offer risk management services for card and bank based payments, transaction payment matching, reporting, fund remittance and fraud protection. Some PSPs provide services to process other next generation methods (payment systems) including cash payments, wallets, prepaid cards or vouchers, and even paper or e-check processing.

  6. New Payments Platform - Wikipedia

    en.wikipedia.org/wiki/New_Payments_Platform

    The New Payments Platform (NPP), operated by New Payments Platform Australia Ltd (NPPA) [1] is an industry-wide payments platform for Australia. It became accessible to the general public on 13 February 2018 [ 2 ] with the introduction of PayID, an addressing capability, and Osko , [ 3 ] the first NPP overlay service, operated by BPAY .

  7. AOL Help

    help.aol.com

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  8. BASE24 - Wikipedia

    en.wikipedia.org/wiki/BASE24

    BASE24-eps, formerly BASE24-es, is a payment engine that the financial payments industry uses.It is used to acquire, authenticate, route, switch, and authorize financial transactions across multiple channels. [2]

  9. Payment Card Industry Data Security Standard - Wikipedia

    en.wikipedia.org/wiki/Payment_Card_Industry_Data...

    Version Date Notes 1.0 December 15, 2004 1.1 September 2006 clarification and minor revisions 1.2 October 2008 enhanced clarity, improved flexibility, and addressed evolving risks and threats 1.2.1 July 2009 minor corrections designed to create more clarity and consistency among the standards and supporting documents 2.0 October 2010 3.0