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Payment Systems
Agentic Commerce Protocol (ACP) is a next-generation protocol that lets AI agents integrate directly into commercial processes such as payments, orders, refunds and subscriptions. This post explains how it works and what it offers businesses.
Online & Authorization
You press the pay button and the screen says the transaction failed. Behind that failure are checks on your balance and transaction security. This post explains how funds confirmation APIs work, where they apply, and the situation in Turkey's open banking.
Merchant & POS
The Transaction Success Rate (TSR) is a key performance metric measuring the percentage of attempted payment transactions that complete successfully, and a critical indicator of overall payment health.
Open Banking
First, it is useful to briefly recall the concepts of Banking as a Service and Open Banking. Banking as a Service (BaaS) lets interface developers connect directly to service banks' systems via APIs and open banking services to run banking transactions for customers...
E-commerce
Amazon PayCode is a payment option that lets customers pay for Amazon orders in cash: after checkout they receive a code and pay at a participating Western Union agent location.
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.
Credit Card
Data on card payments made online in Türkiye is shared by BKM, updated monthly by number and value of transactions. Here is the link and how to interpret the figures.
Online & Authorization
The payment page is one of the most important steps in whether customers complete a purchase. Asking for the cardholder's name is common practice, but it is not required to charge the card.
Credit Card
The Card Security Code is a 3-digit numeric value used for cardholder verification and to reduce fraud risk. It is generated during card production and printed either on the card or encoded into the Track 1 and Track 2 data.
Laws & Regulations
Law No. 6502 on Consumer Protection aims to protect consumers' health, safety and economic interests, compensate their losses and inform them. It covers all consumer transactions and practices aimed at consumers.
Security
Fraud means obtaining unjust gain by carrying out a transaction at a merchant or ATM using someone else's credit card or debit card, causing a loss to the real cardholder, the merchant, or the bank. So what fraud codes do Visa and Mastercard use?
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.