Merchant & POS
What Is a Pre-Authorization Transaction?
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.
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"Transaction Limit"
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Merchant & POS
What is the Combined Warning List (BUL)?
The Combined Warning List (BUL) lists card numbers the issuer wants blocked (lost, stolen, counterfeit, etc.), which acquiring merchants check within certain limits, at their own risk, when online authorization cannot be obtained.
FAST
What Criteria Must a Transaction Meet to Be Made Through FAST?
The FAST system went live at 20 banks on 8 January, and its transaction limit was set at 500 TL on 21 January, rising to 1,000 TL from 28 January. Here are the criteria a transfer must meet to be processed through FAST.
Credit Card
Can I withdraw cash from an ATM with my credit card?
You can withdraw cash from an ATM using your credit card by accessing your account. The prerequisite is that a current account must be linked to your card. If not, only limited functions are available.
ATM
Are Fees Charged for ATM Transactions Between Public Banks?
With a protocol signed on 04.04.2018, Türkiye's public banks launched the “Free Shared ATM Use” system, allowing their customers to use each other's ATMs free of charge for many transactions.
Merchant & POS
How Do Offline Transactions Reach the Card and POS Bank?
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.
Payment Systems
Visa Overseas Contactless Transactions – After Code 70 (Part 2)
After switching to response code 70 for contactless limit-exceeded cases, we found that some overseas POS devices and acquirers did not handle it as expected. This post covers why the problem lies in the ecosystem and how to address it.
Credit Card
A New Method in Credit Card Fraud!!
Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.
Credit Card
What do I need to do to use my card for e-commerce transactions?
First, your card must be enabled for e-commerce transactions, with domestic and international authorizations usually managed separately. Second, your card must be eligible for 3D Secure transactions.
Online & Authorization
Application Transaction Counter (ATC)
The Application Transaction Counter is the number of transactions made with the card so far. It increases by 1 with each transaction and can also be used as a transaction number, making transactions easier to track.
FAST
What Are the Advantages of the FAST System?
The FAST system will bring significant convenience and speed to payments and money transfers. Here are its advantages for citizens and businesses, from Easy Address transfers to risk-based limits.
Credit Card
Did We #StayHome? (Based on BKM March 2020 Data)
The coronavirus has turned the past month into a new way of life. How will these changes affect payment systems? This post reviews the March 2020 data announced by BKM, including the surge in contactless and online card payments.