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ISO 8583 field 19 acquiring institution country code

ISO 8583

ISO 8583 Field Descriptions (F19)

F19 — Acquiring Institution Country Code: the country to which the location of the acquiring bank's device (ATM, POS, etc.) belongs.

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.

MASAK suspicious transaction reporting guide

Laws & Regulations

What Is the MASAK Suspicious Transaction Reporting Guide?

This guide sets out the procedures and principles for reporting suspicious transactions for obliged parties other than the groups individually listed in the AML regulation, such as banks and insurers.

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 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.

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.