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Merchant & POS
With advances in technology, mobile phones can now be used for many functions besides calls and internet access. One such innovation is the ability to use smartphones or tablets as POS devices.
Online & Authorization
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.
Credit Card
First, your card must be enabled for e-commerce transactions, with domestic and international authorizations usually managed separately. Second, your card must be eligible for 3D Secure transactions.
Credit Card
The BRSA has decided to raise the contactless card transaction limit to 500 TL, effective 1 February. This post explains the change, how PIN entry works above the limit, and how the limit has evolved since 2019.
Laws & Regulations
BKM (Interbank Card Center) membership is available in 3 statuses: bank, institution or HSK. This post explains the eligibility criteria for each status, the 12-month certification requirement and the BKM fee principles.
HSM & Security
TPK stands for Terminal PIN Key. It is a data encryption key used to encrypt PINs for transmission between a terminal and the terminal's bank (acquirer) within a local network. Learn how TPK is used in POS and ATM devices.
Fraud
Fraud monitoring refers to tracking card transactions through scenarios to detect potential fraud and taking rapid action immediately before or after a transaction occurs - such as identifying a suspicious transaction, calling the customer, or temporarily blocking the card to prevent authorization.
Payment System Institutions
According to the CBRT's official website, the Central Bank of the Republic of Turkey has become the controlling shareholder of the Interbank Card Center (BKM), using the authority granted by Law No. 7192.
Payment Systems
Current information: this post describes the limit at the time of publication. The BRSA raised the contactless card transaction limit to 750 TL, effective 1 July. Above the limit, contactless payments need a PIN. The post also traces the limit's history.
Merchant & POS
A Card Recovery Bulletin is a list of problem cards (lost, stolen, expired, over-limit, counterfeit or otherwise flagged) published by card schemes such as Visa or MasterCard. It shows whether a card number is listed on the date of purchase.
Laws & Regulations
Turkey is rapidly implementing the items in the 11th Development Plan for a fintech ecosystem with equal opportunity. Under the approved law amendment, some BRSA powers over payment services and e-money companies were transferred to the CBRT, making it the single authority in payments.
Chargeback
Chargeback is inherent to card transactions, so it may be impossible to prevent entirely, but taking precautions keeps the risk to a minimum. Here are the key points merchants should pay attention to in order to reduce chargebacks.