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Payment System Institutions
UnionPay Online Payments (UPOP) lets merchants in China, New Zealand, Australia and other countries extend their e-commerce stores to accept UnionPay payments. UnionPay supports over 5 billion cards in more than 140 countries.
Chargeback
A chargeback is a dispute raised against a card transaction when the cardholder did not make it or does not recall it. The dispute types vary depending on the situation; let's look at them.
Laws & Regulations
BKM (Interbank Card Center) membership is available in 3 statuses: bank, institution or HSK. This post explains the eligibility criteria for each status, the 12-month certification requirement and the BKM fee principles.
ISO 8583
F25 - POINT OF SERVICE (POS) CONDITION CODE is the field that defines the condition under which a POS transaction was performed. Possible values include 00 Normal presentment, 01 Customer not present, 02 Unattended terminal, and more.
Merchant & POS
When you buy a product with a credit card, you can pay in a single payment or in installments. Installments at the cash price means paying in installments without any markup over the cash price, which benefits the cardholder.
Merchant & POS
Open authorization covers the period between authorization, POS batch close, the bank's end-of-day process, and clearing. Learn which steps allow cancellation versus refund, and what a cardholder should do.
Payment Systems
According to the Banks Association of Turkey, collusive transactions that misuse POS devices, debit cards, or credit cards for purposes other than their intended use are called fictitious transactions - in short, transactions used outside their intended purpose.
Online & Authorization
A reference guide to authorization response codes seen on POS and ATM transactions, with plain-language explanations of what each code means and what to do about it.
Credit Card
CNP refers to a transaction made through a website or a company's own app payment page, where the card is not read by any device and its details are entered manually. It is short for Card Not Present.
Merchant & POS
Since the MCC code is a merchant's category code, it's critical for the checks performed during merchant onboarding and authorization, including campaigns and restrictions.
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).
E-commerce
Making payments over the internet using a card is called online payment. Learn what online payment systems are used for and what happens behind an online transaction, from the payment gateway to the issuing bank.