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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.

YTH clearing file prefix fields F32, F93, F94 and F100

Clearing

What Are the Prefix Fields in the YTH IN File?

YTH stands for Yurtiçi Takas Hesaplaşma (Domestic Clearing and Settlement), the general name of the clearing system managed by BKM. In the clearing system, prefix values are held in fields F32, F93, F94 and F100.

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Payment Systems

What Is ISO/TC 68?

ISO/TC 68 is a technical committee within the International Organization for Standardization in Geneva, responsible for developing and maintaining international standards for banking, securities and other financial services.

PIN pad device used for PCI PIN Transaction Security compliance

Payment Systems

What is PCI PIN Transaction Security Point of Interaction?

PCI Point of Interaction (POI) was introduced to minimize risk in card transactions. PCI POI Security Requirements cover physical and logical security for both online and offline PIN entry devices (PED) and secure card readers.

Diagram of the Secure Mobile Payment and Electronic Document Management System under VUK 507

Payment Institutions & E-Money

What Is the VUK 507 Communique?

VUK 507 is the common name of Tax Procedure Law General Communique Serial No. 507, published in the Official Gazette on 1/6/2019 on the Secure Mobile Payment and Electronic Document Management System. It sets the rules for sales, collection and electronic document applications.

ATM technician performing a second line maintenance repair with a toolkit

ATM

What Is SLM (Second Line Maintenance)?

ATM maintenance is essential for ATM longevity. SLM (Second Line Maintenance) covers repairs that require a toolkit and part replacement, usually without access to the ATM safe, while FLM handles simpler cash and consumable tasks.

Diagram illustrating White Box Cryptography (WBC) for securing open devices

HSM & Security

What is White Box Cryptography (WBC)?

White Box Cryptography (WBC) is an important technology used to minimize security risks for open devices such as smartphones. It is a new technique against attacks targeting white-box attack environments.

Diagram of an alternative payment system routing online card payments through multiple bank virtual POS accounts

E-commerce

What Are Alternative Payment Systems?

Alternative payment systems are services from intermediary companies that use virtual POS accounts in the background to benefit merchants. Law No. 6493 calls them payment institutions. This article compares them with bank virtual POS accounts.