Credit Card
What Is an Amex (American Express) Card?
Amex is short for American Express, a payment scheme like Mastercard, Visa, or TROY. Learn its history, what sets Amex cards apart, and whether every website accepts them.
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"Payment Services"
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Security
What Is Forgery in Card Payments?
Forgery in card payments means transactions made with card details without the cardholder's knowledge, or purchases with counterfeit or stolen cards. Merchants cannot eliminate fraud and chargeback risk, but they should aim to reduce it to reasonable levels.
Merchant & POS
Contactless transaction limit raised to 250 TL
Current information: this article describes the limit in force at the time of publication. To reduce the risk of the coronavirus (Covid-19) spreading, the contactless transaction limit on credit and debit cards was raised to 250 lira.
Credit Card
What Products and Services Does KKB Offer Directly to Members?
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.
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.
Payment Systems
What are Payment Systems?
Let's talk about payment systems, which we have heard more about since the internet entered our lives, and the basic structures behind them. The first credit card in the world was used in America in the 1920s.
ISO 8583
ISO 8583 Field Descriptions (F3)
Field 3, Processing Code, is the field that shows what type of transaction is being performed and is critical for authorization. A Sale from POS differs from a Cash Withdrawal at an ATM.
Credit Card
Which Companies Provide Card Production and Personalization Services in Turkey?
Although card usage today is shifting from physical use toward virtual use, physical card production, personalization, and printing remain vital steps in card manufacturing. Here are the companies that produce and personalize cards in Turkey.
Online & Authorization
What are Commercial Off-the-Shelf Devices (COTS)?
Commercial off-the-shelf (COTS) products and services are ready-made, packaged solutions adapted to a purchasing organization's needs, rather than custom-built ones. In payment systems, COTS includes ready-made payment apps for phones and Android POS devices.
Payment Systems
What Is Agentic Commerce Protocol? How Does It Work?
Agentic Commerce Protocol (ACP) is a next-generation protocol that lets AI agents integrate directly into commercial processes such as payments, orders, refunds and subscriptions. This post explains how it works and what it offers businesses.
Chargeback
What Are the American Express Chargeback Reason Codes?
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...
Laws & Regulations
Can a Payment or Electronic Money Institution Outsource Its Information Systems?
Yes. A payment or electronic money institution may outsource its information systems, provided it complies with Articles 11 and 16 of the Information Systems Communiqué and Article 13 of the Regulation.