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Payment Systems
A non-secure transaction is an e-commerce transaction approved without any verification before authorization, such as SMS OTP. In short, authorization is obtained by verifying only the card number, expiration date, and CVV2.
Payment Systems
Card type information is used in card schemes such as MasterCard, Visa, and TROY. The card types and card type codes used in the Visa system include Credit, Prepaid, Debit, Deferred Debit, and Charge Card.
Merchant & POS
In chip transactions made with a credit card via POS, the transaction amount is approved by the card and POS based on parameters on the card and POS, without going to the card bank or POS bank. These are called offline transactions.
Credit Card
There are around 65,000,000 credit cards in Turkey. By design, credit cards work by opening a line of credit, allowing spending against that limit, generating a statement based on spending, and having the customer pay the resulting debt.
Merchant & POS
Magnetic Secure Transmission (MST) is a mobile payment technology in which devices such as smartphones emit a signal that mimics the magnetic stripe on a traditional payment card, letting a physical card's POS use be imitated without upgrading terminal software or hardware.
Payment Systems
Digitalization keeps changing the speed and shape of payments. AI-based payment agents pay on their own within user-defined limits and rules, completing transactions without the user initiating any action. This post explains how they work and what to watch for.
EMV
The GET DATA command is used to retrieve a primitive data object that is not encapsulated in a record within the current application. It is used to retrieve certain primitive data objects interpreted by the application on the ICC.
Merchant & POS
Address Verification Service (AVS) is a fraud prevention system that helps limit fraud and chargebacks when used effectively. It verifies that the address a customer enters matches the cardholder's address on file with the issuer.
ISO 8583
F54 - ADDITIONAL AMOUNTS is the additional amount field used in transactions. It can take different values depending on the transaction, such as carrying account balance information for balance inquiries.
Merchant & POS
The regulation on generating and using TR QR Code in payment services was published in the Official Gazette No. 31220 on August 21, 2020. Its purpose is to set the standards for generating and using TR QR Code in payment services.
Laws & Regulations
The Regulation on the Generation and Use of TR QR Code in Payment Systems sets the standards for QR codes in payment services. The Central Bank has taken the first step by drafting rules for a common QR code structure.
Chargeback
The MasterCard and Visa chargeback reason codes that always, sometimes or never require a draft retrieval before a chargeback, with their descriptions. Includes Visa codes such as 60, 75, 79 and 81 and MasterCard codes 4801 and 4802.