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Illustration of an e-commerce checkout page with card payment fields

Merchant & POS

How Important Is the Checkout Page in Payments?

The checkout page is where an online purchase is completed, and cart abandonment is highest there. This post lists design tips: support all cards, limit transition pages, show security cues, allow guest checkout and remove distractions.

EU Payment Services Directive 2 PSD2

Merchant & POS

What Is the EU Payment Services Directive 2 (PSD2)?

The EU Payment Services Directive 2 (PSD2) is the EU's payment services law. ÖDED translated it into Turkish, creating an important handbook for anyone wanting to invest or work in this area.

Bill payment intermediation services illustration

Payment Institutions & E-Money

Who Can Act as an Intermediary for Bill Payments?

Bill payment intermediation is a payment service under Law No. 6493. Only the CBRT and payment service providers, namely banks, electronic money institutions, payment institutions and PTT, can offer it.

Screenshot illustrating how a payment gateway connects an e-commerce site to a bank

Online & Authorization

What is a Payment Gateway?

A payment gateway is the high-security connection banks provide for purchases made with a credit or debit card. Learn how it is set up and why it protects cardholder data.

Shopper at an online checkout seeing a failed payment message because of an insufficient funds check

Online & Authorization

Why Do Your Payments Fail? How Funds Confirmation APIs Solve It

You press the pay button and the screen says the transaction failed. Behind that failure are checks on your balance and transaction security. This post explains how funds confirmation APIs work, where they apply, and the situation in Turkey's open banking.

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.

Mir, the Russian national payment scheme, shown on a payment card

Credit Card

What Is MIR, the Russian Payment Scheme?

Mir means World and Peace. It is a national payment system established by a law adopted by the Central Bank of Russia on 1 May 2017. It is currently accepted mostly by Russia-based companies, but acceptance is gradually spreading.