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Merchant & POS
Visa's Merchant Data Standards Manual covers classification, identification and data standard requirements for merchants, payment facilitators and marketplaces, including merchant naming, location and MCC rules. Here is what it contains and where to find it.
Merchant & POS
Partial authorization lets an issuer approve part of the requested amount when the card lacks the full balance, with the rest paid another way. This post covers the technical, receipt, clearing, reconciliation, merchant and certification requirements for acquirers.
Payment Systems
The Address Verification Service (AVS) is a fraud prevention system that, when used effectively, can help limit fraud and chargebacks. This post lists the AVS response codes used by AMEX, Mastercard and Visa, with a description of each.
Debit Card
When we think of online shopping, we usually picture paying with a credit card. But can customers without a credit card, only an ATM card, shop online? Of course they can — you don't need a credit card to enjoy the convenience of e-commerce.
Credit Card
A structure developed by Visa for purchase refund transactions. The purchase return authorization message lets cardholders view their refund transactions in real time, improving the customer refund experience.
Merchant & POS
In online transactions, Opt Out is the cardholder exercising the right not to enroll in 3D Secure. It is not unlimited: only as many transactions as the issuer allows can be made without 3D Secure.
Security
Before 3D Secure 2.0, let's explain what 3D Secure is. 3D Secure is a two-layer payment authentication system that protects both the cardholder and the merchant in online payments. First released by Visa in 1999, it was later adopted by other card schemes…
Merchant & POS
Address Verification Service (AVS) is a fraud prevention system that helps limit fraud and chargebacks when used effectively. It verifies that the address a customer enters matches the cardholder's address on file with the issuer.
Credit 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.
Credit Card
While reviewing your credit card statement, you suddenly notice a transaction you never made. What would you think? Is your card going shopping while you sleep? Let's look at how this can happen and what to do about it.
Merchant & POS
Multicurrency POS refers to POS devices that can process transactions in foreign currencies (USD, EUR, GBP, etc.) in addition to Turkish Lira. Merchants using a MultiCurrency POS can process transactions in different currencies for international cardholders.
Merchant & POS
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.