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Credit Card
The Chargeback Document Management System (CDYS) is a system developed by BKM to resolve customer disputes over card payment transactions among BKM members, covering Copy Request, Chargeback, Representment, and related processes.
Credit Card
A financial card product issued against a primary card, with its own card number, expiration date, authority, limit, and PIN. Using a supplementary card is ideal for making purchases from more than one card while keeping all spending on a single statement.
E-commerce
AI agents are moving beyond answering questions to searching, deciding, and paying on behalf of users. This post explains Agentic Commerce and what it means for payment systems, digital wallets, e-money institutions, banks, and fintechs.
EMV
The Visa EAS Server (Extended Access Service) is a server used in Visa’s authentication infrastructure. It was developed to run the cardholder authentication process securely between banks and the Visa network, particularly within Visa Secure (3-D Secure 2.x).
Payment Systems
A shared POS is a bank or institution terminal that can host more than one application. This post covers the software, APN and authorization steps, and the key test scenarios to cover in a shared POS project.
FAST
New banks are added to the Easy Address system every day. Here is the list of banks that supported the Easy Address System at the time, and where to find the current list.
Payment System Institutions
The European Payments Initiative (EPI), formerly known as PEPSI, is an ECB-backed payment integration initiative aiming to build a pan-European payment system and interbank network to rival Mastercard and Visa. Its founding members include BBVA, BNP Paribas, CaixaBank, Commerzbank and others.
Credit Card
Due to how payment systems work, authorization is obtained first for a transaction. For a Not Onus transaction (where the card-issuing bank and the POS bank are different), the system waits for the relevant transaction to arrive via the clearing incoming file…
Laws & Regulations
BSMV stands for Banking and Insurance Transaction Tax, levied on banking and insurance transactions. This post explains how it applies to payment institutions and e-money institutions under Expense Taxes General Communiqué No. 91, with an example.
E-commerce
Alternative payment systems are services from intermediary companies that use virtual POS accounts in the background to benefit merchants. Law No. 6493 calls them payment institutions. This article compares them with bank virtual POS accounts.
ATM
ATMs are important transaction points that let customers handle financial transactions without visiting a bank branch. 24/7 availability matters for customer satisfaction, so banks take steps to reduce both operational and cash costs.
Credit Card
You start a transaction at an ATM and your card is returned, even though you think nothing is wrong. Here are the response codes usually used in these cases.