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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

Payment transaction success rate metric

Merchant & POS

What Is the Transaction Success Rate?

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.

Ödeme İste request to pay on FAST illustration

Payment Systems

What Is “Ödeme İste” (Request to Pay)?

The Ödeme İste (Request to Pay) System is a value-added service aiming to improve the customer experience in FAST, Türkiye's instant and continuous funds transfer system.

Announcement graphic about the increase in FAST transaction amount limits by the CBRT

FAST

FAST Limit Is Being Increased

The CBRT has raised the FAST transaction amount limits. As of 4 April 2024, the limit is 100 thousand TL for money transfers and 250 thousand TL for merchant payments made with the FAST-TR QR code.

Contactless card payment at a POS terminal

Credit Card

Contactless Payment Limit Is Being Raised

Current information: this post describes the limit that applied at the time of publication. According to a BRSA letter to banks, the PIN-free contactless transaction limit, raised to 750 TL in July 2022, will become 1500 TL from 1 July 2024.

Contactless NFC payment on an iPhone opened to third-party apps by Apple

Payment Systems

Apple opens NFC payments to third-party apps

Under the EU Digital Markets Act, Apple will let third-party developers in the European Economic Area offer NFC contactless payments inside iOS apps without Apple Pay or Apple Wallet, opening the way for banks and payment services to launch their own tap-to-pay solutions.

Diagram illustrating how financing companies operate in Turkey

Payment System Institutions

What Are the Financing Companies Operating in Turkey?

These are credit institutions providing financing to individuals and companies for purchasing goods and services. Financing companies specialize mainly in vehicle loans, offering fast and flexible point-of-sale solutions distinct from banks.

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