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Istanbulkart transit and payment card

Credit Card

Istanbulkart: Both Transit Card and Payment Card

When I think back to the Akbil I used when I first arrived in Istanbul, I think it's fair to say that Istanbulkart has undergone a very significant transformation. Users can now track activity, top up and view balances right from their phones.

Illustration of a surcharge fee added to a card payment transaction

Merchant & POS

What is a surcharge?

A surcharge is a fee, charge, or tax added to the cost of a good or service. In payment systems, it refers to adding the merchant's transaction commission to the cash sale amount on credit card transactions, resulting in a higher charge.

Affinity credit card with club logo illustration

Credit Card

What is an Affinity Card (Membership Card)?

An affinity card is a type of credit card issued by a bank that carries the logo of a social organization such as an association, foundation, sports club, or charity (for example, Fenerbahce Bonus). It is similar in structure to a co-branded card.

Diagram illustrating the properties and lifecycle of a tokenized card number as it moves through the payment network

HCE

What Are the Characteristics of a Tokenized Card Number?

A tokenized card number replaces a physical card number so transactions can be carried out securely. It is generated by the TSP (Token Service Provider), used by the cardholder or merchant, and travels across the payment systems network.

Person reviewing credit card statement mistakes to avoid

Credit Card

Never do these things when using a credit card

Nearly all of us have at least one credit card in our wallet and use credit cards for almost all of our transactions. A credit card is a good tool for tracking spending, but common mistakes can turn it into a serious problem.

Illustration of recurring payments and automatic card collection for subscription businesses

Merchant & POS

Key Points to Watch for in Recurring Payments

Winning customers is one of the most important things in business, but keeping them satisfied matters just as much. If you collect payments at regular intervals, such as monthly, these tips will help you improve the success rate of recurring collections.

Illustration of an ATM card trapping fraud scheme

ATM

ATM Fraud Methods: Card Trapping

ATMs generally hold your bank/credit card inside the card reader slot until the transaction is completed. Fraudsters insert foreign objects such as paper or adhesive-coated cards into the reader to trap the customer's card inside.

Illustration representing an installment transaction made with a credit card

Credit Card

What is an Installment Transaction?

An installment transaction splits a payment into a set number of installments reflected on the cardholder's statement, when the card and POS bank are the same. For example, a 1000 TL transaction in 5 installments reflects 200 TL per statement period, starting from the first one.

Collection POS web-based payment management dashboard

Merchant & POS

What is a Collection POS?

A Collection POS is a secure, web-based payment platform through which businesses and institutions manage their collections and generate the reports they need. Many similar products exist on the market under different names.

Table of credit card authorization response codes

Credit Card

What are Credit Card Status Codes in Authorization?

Cases where authorization approval is declined have always puzzled cardholders. Whenever the response code requires contacting the issuing bank (usually for declined transactions), the date, amount, and response code of the failed transaction become very important.