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Diagram showing the three categories of API: internal, partner, and open API

Open Banking

How Many Types of API Are There?

API, used as an abbreviation for Application Programming Interface, is an interface that allows an application's functions to be accessed and used from outside or remotely, letting a server application be reached from different platforms.

Illustration representing QR code payment routing in Turkey

Payment Systems

What are the QR Code Routing System (KYS) Rules?

The purpose of these rules is to set out the operating rules, participation requirements, and pricing principles of the QR Code Routing System (KYS) established and operated by BKM, as well as other procedures related to KYS's operation.

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 for a glossary of cryptocurrency terms such as Bitcoin, blockchain and mining

Cryptocurrency

What Are the Terms Used in the Cryptocurrency World?

Cryptocurrencies are becoming part of everyday life and are expected to compete seriously with card payments. This glossary explains the key crypto terms, from address, altcoin and arbitrage to halving, mining, proof of stake and stop-loss.

Document cover of the BRSA circular on the report format under Article 8 of the payment services regulation

Payment Institutions & E-Money

What Is the Circular on the Report Format under Article 8 of the Regulation on Payment Services and E-Money Issuance and Payment Institutions and E-Money Institutions? How Can It Be Accessed?

Under Law No. 6493, payment institutions and e-money institutions may operate only with BRSA permission. This post explains the BRSA circular on the format of the independent audit report required with operating permit applications under Article 8 of the Regulation, and where to find it.

TR QR Code merchant registry system diagram

Merchant & POS

What Is the Merchant Registry System?

The Merchant Registry System is the system at BKM that holds information on merchants accepting electronic payments, set up to simplify TR QR Code payment processes and prevent fraud and misuse in payments.

FAST instant payment system participants diagram

FAST

Can Non-Bank Institutions Join the FAST System?

Yes. The FAST system was first launched with the participation of banks in Türkiye, and integration has been completed with 21 banks. Non-bank institutions meeting the criteria, such as payment and e-money institutions, will also be able to join.

Diagram illustrating the payment systems framework overseen by the Central Bank of the Republic of Turkey

Laws & Regulations

What are payment systems according to the CBRT?

Payment systems are the instruments, processes and rules that enable the transfer of funds or securities between participants. This post explains the conditions a structure must meet to qualify as a payment system and the Turkish regulations that govern them.