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Credit Card
If you can't use your card for e-commerce transactions abroad, first check that e-commerce authorization is enabled, that 3D Secure has been set up, and that your bank's authorization system is active. The issue may also originate from the merchant's bank.
Credit Card
A credit card is one of the most important payment tools in our lives, which is why keeping it secure is extremely important. So how do we secure a credit card? The most important security measure is the card PIN.
Credit Card
Banks generally keep a record in the system of a card's "First Transaction Date." This information is automatically populated by the online authorization system. So under what circumstances is it updated? First, an authorization transaction must…
Credit Card
First, let's cover what the security code is: a 3-digit numeric value generated during card printing and printed on the card to verify the cardholder and reduce fraud risk. This value is called CVV2/CVC2.
Credit Card
The Card Security Code is a 3-digit numeric value used for cardholder verification and to reduce fraud risk. It is generated during card production and printed either on the card or encoded into the Track 1 and Track 2 data.
Chargeback
Chargeback reason codes vary by card scheme. The Amex chargeback reason codes and their descriptions are listed below: American Express Chargeback Reason Codes A01 The charge you submitted did not receive a valid authorization approval code for the amount...
Merchant & POS
Cardholders may request a refund through the merchant for POS transactions due to wrong deliveries, returned goods and similar reasons. Here is the information a refund receipt must contain, including extra fields for e-commerce.
Merchant & POS
An operation that allows a credit card's limit to be blocked for a period, due to the nature of the product or service sold. Preferred mainly by companies in travel, tourism, and car rental.
Credit Card
A 2-character field written to the card's chip data that increases by 1 with each card renewal, allowing authorization to distinguish between the old and new card. This means that, theoretically, assuming no other conditions prevent it, a...
Credit Card
KKB was established, under banking law, to enable the exchange of all kinds of information and documents among at least five banks, and it also shares credit information about customers. The Credit Bureau of Turkey also serves deposit banks, participation banks, financial institutions, and more.
Payment Systems
TCR stands for Transaction Record Component, the packets that carry transaction information in a clearing system. Transaction types in a clearing file are distinguished by transaction code and usage code values, and this data is sent inside TCR packets.
Fraud
Fraud monitoring refers to tracking card transactions through scenarios to detect potential fraud and taking rapid action immediately before or after a transaction occurs - such as identifying a suspicious transaction, calling the customer, or temporarily blocking the card to prevent authorization.