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"Merchant Services"

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Illustration of ways merchants can reduce chargebacks on card transactions

Chargeback

How to Reduce Chargebacks (For Merchants)

Chargeback is inherent to card transactions, so it may be impossible to prevent entirely, but taking precautions keeps the risk to a minimum. Here are the key points merchants should pay attention to in order to reduce chargebacks.

Illustration of personal data protection under the Turkish Personal Data Protection Law (KVKK)

Merchant & POS

What is the Personal Data Protection Law (KVKK)?

The Personal Data Protection Law was adopted by the Grand National Assembly of Turkey on 24/03/2016 and published in Official Gazette No. 29677 on 07/04/2016. It protects individuals' rights in the processing of personal data and sets the rules that data controllers must follow.

BKM API BIN list update illustration

Payment System Institutions

What Is the BKM API?

Thanks to the API developed by BKM, BKM Express member merchants can automatically update the BIN lists of cards issued by all banks in Türkiye and offer installments and reward points more efficiently.

Diagram of the affiliate marketing relationship between merchant, affiliate, and customer

Payment Systems

What is Affiliate Marketing?

Affiliate marketing, in short, is a performance-based promotion and sales approach that distributes an online retailer's product marketing to different people and organizations, letting it achieve the most sales with the least risk.

Illustration of a smartphone used as a mobile POS payment terminal

Merchant & POS

Are POS Terminals Becoming Obsolete?

Today, as credit cards shift from physical to virtual use, a similar move has come from the POS side. We have begun to see mobile phones used as POS devices becoming a serious rival to physical POS terminals.

Shared POS device used for processing multiple banks' card transactions

Credit Card

What is a Shared POS?

A Shared POS is a POS solution that allows the credit card applications of multiple banks, such as installments and loyalty points, to run on a single POS device. It automatically recognizes the cards of banks loaded on it and routes the transaction accordingly.

BKM (Interbank Card Center) membership acceptance criteria overview

Laws & Regulations

What Are the BKM Membership Acceptance Criteria?

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.

Illustration representing Strong Customer Authentication (SCA) under PSD2

Payment Systems

What is Strong Customer Authentication (SCA)?

Strong Customer Authentication (SCA) is a security requirement introduced under the EU's Payment Services Directive 2 (PSD2) to increase security and reduce fraud in online payment transactions. SCA requires two of three independent authentication factors.

Illustration representing MCC codes used to classify merchants by category

Merchant & POS

What Is an MCC Code Used For?

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.

Diagram of the Shared POS Management System (OPYS)

Merchant & POS

What Is the Shared POS Management System (OPYS)?

Developed by BKM and made available to banks, OPYS centrally supports setting up multi-application POS terminals shared by multiple members, inviting other members, adding or removing them, and managing field company relationships.

Diagram of an external quarterly network vulnerability scan for PCI DSS compliance

Security

What Is a Quarterly Network Scan?

An external network scan run every 3 months by an Approved Scanning Vendor authorized by card schemes such as MasterCard and Visa, required for PCI DSS compliance. It checks whether merchant systems are protected against external threats.