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Payment Systems
When POS and HOST transactions don't match at end-of-day, the end-of-day falls into batch upload. This article covers how the POS sends transactions via the 320 message, how HOST responds with 330, and how to monitor and resolve recurring batch upload failures.
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.
Credit Card
Mir means World and Peace. It is a national payment system established by a law adopted by the Central Bank of Russia on 1 May 2017. It is currently accepted mostly by Russia-based companies, but acceptance is gradually spreading.
Payment Systems
The biggest benefit of contactless payment is completing small transactions quickly. You can pay purchases under 350 TL without a PIN, while purchases above 350 TL require your card PIN.
Merchant & POS
Many transactions are carried out with cards on a POS terminal. Sometimes a transaction must be reversed, and cancellation (void) is one such transaction. A Sale can only be cancelled on the POS before the batch (end of day) is closed; otherwise a refund is needed.
Credit Card
PVV is the number encoded on a card's magnetic stripe that allows the cardholder's PIN to be verified by ATMs and POS terminals. It is a 4-digit cryptogram calculated through a cryptographic operation using the PIN and card data. The real result is longer than 4 digits.
Credit Card
The following steps should be followed when launching a new product: decide on the brand, request a new BIN from the scheme (Mastercard, Visa, Troy), define the BIN in the bank's system, generate keys in the HSM, and roll it out after certification.
Merchant & POS
In the world of payment systems, there are new developments every day in both accepting payments and payment methods. QR code payments will undoubtedly become more common in the coming days, and we will make payments with QR codes in many places.
Payment Systems
BKM Payment Gateway is the general name for platforms that let government institutions accept card payments through BKM as intermediary. For the first time, SGK and e-Government title deed payments can be made with all banking cards.
Credit Card
In online transactions, a one-time 3D Secure password is sent to the cardholder's phone. Find out who is liable if that password is shared with someone else, and what happens when a transaction is not completed with 3D Secure.
Credit Card
The Effective Date is the information showing the date until which a card can be actively used. It can also be called the expiration date. It is a mandatory field printed on the card and used in transactions, set by banks for card security.
Credit Card
What is a card expiration date? Learn why banks print this date on every card, how it's used in purchases, and what happens once it passes.