Search
241 articles found
Merchant & POS
Financial institutions, cash register (OKC) manufacturers, and private integrators run this Ministry-authorized system under Communique No. 507 on the Tax Procedure Law, enabling mobile sales with electronic financial documents.
Merchant & POS
In order for a bank's POS devices to process transactions with payment scheme cards (Visa, MasterCard, Troy, etc.), they must pass certain test and control steps. Visa and MasterCard have test tools that include test cards and test scenarios for this purpose…
Security
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
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.
Merchant & POS
Cashback is a modern POS terminal service that allows cash to be withdrawn from the merchant's till while paying for goods and services. Although cashback is a feature specific to debit cards, you can also withdraw cash from an ATM...
Credit Card
Installment payment means dividing a product's price into a set number of equal amounts. For example, if a 100 TL product is bought in 5 installments, the cardholder pays 20 TL a month for 5 months, totaling 100 TL.
Payment Systems
Digitalization keeps changing the speed and shape of payments. AI-based payment agents pay on their own within user-defined limits and rules, completing transactions without the user initiating any action. This post explains how they work and what to watch for.
ISO 8583
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.
ISO 8583
F39 - RESPONSE CODE: This is the code showing whether the transaction was approved or declined. It is 2-digit alphanumeric. Typically 00 is sent when approved, and a decline reason code is sent when declined.
Merchant & POS
This can occur at companies selling products from different sectors. For example, you enter a shopping mall and buy a refrigerator for 3000 TL, a dishwasher for 2000 TL, and an iron for 1000 TL, each under a different installment campaign.
Credit Card
As credit cards become more and more a part of our lives, we now make almost all our purchases without cash. We inserted our card into the merchant's POS. We made a 100 TRY sale transaction. We received a receipt confirming it was successful.
From My Readers
I occasionally receive questions from my readers, and I answer them by email or through other channels. Since others may have similar questions, I will publish these questions on my site along with the answers. Hello Mr. Arif, I read your articles from time to time and...