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Illustration showing the reasons a bank may terminate a merchant agreement

Merchant & POS

Under What Circumstances Is a Merchant Agreement Terminated?

Banks check merchants against a termination list before issuing a POS device. Learn the main reasons, such as counterfeit card acceptance, excessive chargebacks, and fraud, that can lead a bank to terminate a merchant agreement.

Illustration representing the BKM Payment Gateway

Payment Systems

What is the BKM Payment Gateway?

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.

Diagram comparing the 3D, 3D Pay, and 3D Pay Hosting payment models

Payment Systems

What are the 3D Secure Payment Models?

In card payment transactions made via a physical POS device, entering the card's PIN keeps the transaction secure, while in virtual POS transactions, security is provided through the 3D Secure flow. Are 3D Secure payment methods standardized? There are 3 different 3D Secure models.

Illustration of a customer completing a payment through an online payment link

Merchant & POS

What Are the Advantages of Paying with an Online Payment Link?

Advances in payment systems make shopping safer and easier for customers. For e-commerce sites and brands, offering reliable, practical and fast payment options is a serious advantage. An online payment link is one innovative way to accept payments without a POS device.

Illustration of a money transfer being sent from one payment card to another

Credit Card

What Is a Card-to-Card Money Transfer?

Card-to-Card Money Transfer (CCMT) lets customers send money 24/7 from a credit, debit, or prepaid card to another card via ATM, internet banking, call center, or mobile app.

Illustration of the compliance process between merchant bank and issuer in card payments

Chargeback

What Is Compliance (Regulatory Compliance)?

Compliance means adherence to card scheme rules. Outside chargebacks, it is how a bank that loses money because card payment organization rules were broken recovers that amount from the party that caused the loss.

Diagram showing the structure of an ISO 8583 message

ISO 8583

What Fields Make Up ISO 8583?

We covered the ISO 8583 basics in an earlier article. This post explains the ISO 8583 message structure in detail: every ISO 8583 message consists of three main parts - the MTI (Message Type Indicator), the Bitmap, and the Data Elements.

Credit cards inside an open wallet

Merchant & POS

Who is liable for a transaction made without a PIN?

Almost all of us carry at least one credit card. Imagine losing your wallet with all your cards inside, and someone with bad intentions finding it and using the cards without a PIN. Who bears the responsibility?