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"Banking as a Service"

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BKM API BIN list update illustration

Payment System Institutions

What Is the BKM API?

Thanks to the API developed by BKM, BKM Express member merchants can automatically update the BIN lists of cards issued by all banks in Türkiye and offer installments and reward points more efficiently.

FAST instant payment transaction limit

FAST

What Is the FAST Transaction Limit?

The limit in FAST, the CBRT's new instant payment system launched on 8 January, started at 50 TL. It was raised to 250 TL on 14 January and 500 TL on 21 January, and will be raised to 1,000 TL on 28 January.

BKM API gateway integration deadline

Payment Systems

Target Date for BKM API Gateway Integration Amended

An amendment was made to the communiqué on the information systems of payment and e-money institutions and data sharing services, setting 31/3/2025 as the deadline for other payment service providers' obligations.

Illustration representing the chargeback and dispute process in card payments

Chargeback

What Are the Domestic Exceptions to Chargeback Rules?

A chargeback is the refund of an amount paid by credit card to the cardholder's card when the purchased goods or services were not received, or when a transaction was not actually carried out by the cardholder.

Bitcoin versus electronic money comparison illustration

Payment Systems

Is Bitcoin Electronic Money?

Electronic money is a legally defined concept in Türkiye under Law No. 6493. Since Bitcoin is not linked to any central bank or official institution and does not meet the required conditions, it cannot be considered electronic money.

Table of chargeback reason codes by payment scheme

Chargeback

What Are the Chargeback Reason Codes by Payment Scheme?

A chargeback is the process of requesting that an amount paid by credit card be refunded, either because the goods or services paid for were not received, or because a transaction is identified as one the cardholder did not carry out.

Taxation of bill payment intermediation services

Laws & Regulations

How Are Bill Payment Intermediation Services Taxed?

Payment and e-money institutions' commissions were first subject to VAT, until Expenditure Taxes General Communiqué No. 91 settled the matter. Here is how bill payment intermediation is taxed under Article 10.