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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.

Foreign payment institutions operating in Türkiye

Payment Systems

Can Foreign Payment Institutions Operate in Türkiye?

All payment and electronic money institutions operating in Türkiye fall under the relevant regulation. A license from a foreign authority is not enough; a foreign institution must obtain a license from the Central Bank.

Illustration of remote identity verification and open banking in digital banking

Laws & Regulations

Remote Identity Verification, Reliance on Third Parties and Open Banking

Digitalization is changing how banks onboard customers. This post covers digital identity, verification methods, what the Turkish ID card offers, and Article 43 of the Regulation on Information Systems of Banks and Electronic Banking Services on remote identity verification and open banking.

Contactless card payment at a POS terminal with the transaction limit raised to 120 TL

Merchant & POS

Contactless Transaction Limit Raised to 120 TL

Per BKM data, 3 in 5 merchants accept contactless payments and 1 in 10 credit card transactions is contactless. From 1 August 2019, contactless payments by card or mobile device are allowed without a PIN up to 120 TL.

Amazon Web Services cloud computing illustration

Security

Why Is AWS (Amazon Web Services) Preferred?

The number of companies offering cloud computing and storage has grown sharply in recent years. AWS, founded in 2006, is the world's largest cloud computing and storage provider, ahead of Google Cloud, Microsoft Azure and IBM.

General Data Protection Regulation (GDPR) concept illustration with padlock and EU stars

Payment Systems

What Is the General Data Protection Regulation (GDPR)?

The General Data Protection Regulation (GDPR), (EU) 2016/679, is EU law on data protection and privacy. It gives individuals control over their personal data, requires breach notification within 72 hours, and allows fines of up to 20 million euros or 4% of annual revenue.

Contactless card payment at an overseas POS terminal that prompts for a PIN after a limit is exceeded

Payment Systems

Visa Overseas Contactless Transactions – After Code 70 (Part 2)

After switching to response code 70 for contactless limit-exceeded cases, we found that some overseas POS devices and acquirers did not handle it as expected. This post covers why the problem lies in the ecosystem and how to address it.

Illustration representing communication protocols used in POS payment systems

Merchant & POS

What Are POS Sub-Protocols and Their Use Cases in Turkey?

In payment systems, every exchange between POS devices and bank or payment institution systems runs on a specific messaging standard, generally based on ISO 8583. However, each country, bank, or switch network defines its own version of this standard.