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  2. Authorization hold - Wikipedia

    en.wikipedia.org/wiki/Authorization_hold

    Authorization hold (also card authorization, preauthorization, or preauth) is a service offered by credit and debit card providers whereby the provider puts a hold of the amount approved by the cardholder, reducing the balance of available funds until the merchant clears the transaction (also called settlement), after the transaction is completed or aborted, or because the hold expires.

  3. Merchant plug-in - Wikipedia

    en.wikipedia.org/wiki/Merchant_plug-in

    A merchant plug-in (MPI) is a software module designed to facilitate 3-D Secure verifications to help prevent credit card fraud. [1] The MPI identifies the account number and queries the servers of the card issuer (Visa, MasterCard, or JCB International) to determine if it is enrolled in a 3D-Secure program and returns the web site address of the issuer access control server (ACS) if it is ...

  4. Payment Card Industry Data Security Standard - Wikipedia

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

    Merchant levels are: Level 1 – Over six million transactions annually; Level 2 – Between one and six million transactions; Level 3 – Between 20,000 and one million transactions, and all e-commerce merchants; Level 4 – Less than 20,000 transactions; Each card issuer maintains a table of compliance levels and a table for service providers ...

  5. RuPay - Wikipedia

    en.wikipedia.org/wiki/RuPay

    This will help share unique token reference ID number instead of actual card details between customers, merchants and banks for transactions and stop identity theft and hacks. [ 102 ] [ 103 ] On 6 December 2021, PayPhi became the first digital payment platform in the country to officially certified for RuPay Tokenisation System.

  6. Payment card interchange fee and merchant discount antitrust ...

    en.wikipedia.org/wiki/Payment_Card_Interchange...

    Plaintiffs allege that Visa, Mastercard, and other major credit card issuers engaged in a conspiracy to fix interchange fees, also known as swipe fees, that are charged to merchants for the privilege of accepting payment cards, at artificially high levels. In their complaint, the plaintiffs also alleged that the defendants unfairly interfere ...

  7. Card-not-present transaction - Wikipedia

    en.wikipedia.org/wiki/Card-not-present_transaction

    In addition, the merchant account would be assessed a chargeback fee by the acquiring bank. [1] This is the opposite of a card present transaction, when the issuer of the card is liable for restitution. [2] Because of the greater risk, some card issuers charge a greater transaction fee to merchants who routinely handle card-not-present ...

  8. Cancel or reactivate your AOL account

    help.aol.com/articles/account-management-cancel...

    Click Manage next to the plan you'd like to cancel. Click Cancel. At the bottom of the page, click Cancel My Billing. Select a reason for canceling from the drop-down menu. Click Cancel My Billing. Things to know when you change your AOL account to the free AOL plan:

  9. ISO 8583 - Wikipedia

    en.wikipedia.org/wiki/ISO_8583

    The transaction data contains information derived from the card (e.g., the card number or card holder details), the terminal (e.g., the terminal number, the merchant number), the transaction (e.g., the amount), together with other data which may be generated dynamically or added by intervening systems.