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Author

Arif Ünal

Payment systems expert and technology executive

Arif Ünal is a technology executive with more than 20 years of experience in banking, fintech and payment systems. He writes about card payments (issuing and acquiring), POS, ATM, e-money, FAST and Turkish payments regulation (BRSA and CBRT). He has held senior roles at Finagotech and managed payment systems and digital banking teams at Emlak Katılım, Vakıf Katılım and Türkiye Finans. He holds a B.Sc. in Industrial Engineering from Istanbul University and an M.Sc. in Management Information Systems from Marmara University.

976 articles

Open banking illustration representing payment services data sharing APIs between financial institutions and third-party providers

Payment Systems

Guide on Data Sharing Services in Payment Services Published

Open banking opens financial data, under the regulations and with the customer's explicit consent, to third-party service providers through standard APIs. The CBRT has published a guide on payment initiation and account information services, covering licensing and technical certification.

Cover page of the CBRT guide linking payment business models to payment service types

Payment Systems

Guide Linking Payment Business Models to Payment Service Types Published

This Guide links business models frequently encountered in the payments field to the payment services listed in Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions, and aims at uniformity in practice.

Chart of the growth in card spending in Turkey in the first quarter of 2022

Merchant & POS

Card Payments Up 85%

According to the third Card Spending Analysis by TOBB and Visa, average monthly card spending in Turkey in the first quarter of 2022 rose 85 percent year on year, driven by e-commerce, debit cards, and contactless payments.

Contactless card payment at a POS terminal illustrating the 750 TL contactless limit

Payment Systems

Contactless Transaction Limit Raised to 750 TL

Current information: this post describes the limit at the time of publication. The BRSA raised the contactless card transaction limit to 750 TL, effective 1 July. Above the limit, contactless payments need a PIN. The post also traces the limit's history.

Infographic on the change in the credit card minimum payment ratio

Credit Card

Credit Card Minimum Payment Ratio Changed

With its announcement dated 09.06.2022, the BRSA changed how the credit card minimum payment is calculated: 20 percent of the period debt below a 25,000 lira limit and 40 percent above it. This post covers what banks should do and the likely market impact.

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