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272 articles found
Merchant & POS
The limit that governs the maximum amount for which an offline transaction can be made on a POS terminal is called the Floor Limit. POS parameter management programs (usually GMS) maintain 3 parameters for floor limit management.
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.
Payment Institutions & E-Money
A payment institution is a legal entity authorized under the Law to provide and execute payment services. It must be a joint stock company meeting the conditions in Article 14 of Law No. 6493. This post sets out the services listed in Article 12 and the exclusions.
Online & Authorization
A reference guide to authorization response codes seen on POS and ATM transactions, with plain-language explanations of what each code means and what to do about it.
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.
Payment Systems
Every payment transaction completes in seconds, yet dozens of controls run behind the scenes. This post covers the precautions for authorization and clearing, the critical role of reversals, and the financial loss scenarios most often seen in the field.
Credit Card
In the standard authorization flow, the transaction is initiated by the acquirer (POS bank) and forwarded to the issuer (card-issuing institution). The process is completed once the issuer responds. However, this isn't always possible; when the issuer fails to respond, BKM steps in...
Online & Authorization
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.
Merchant & POS
Payments made over the internet are called digital payments. Card payments, cryptocurrency, and online banking transfers all fall within the scope of digital payment, along with mobile wallets and QR code payments.
Chargeback
Compliance means adherence to card scheme rules. Outside chargebacks, it is how a bank that loses money because card payment organization rules were broken recovers that amount from the party that caused the loss.
Payment Institutions & E-Money
The Law defines e-money as monetary value issued in exchange for funds accepted by the issuer, stored electronically, used for payment transactions and accepted as a payment instrument by persons other than the issuer. This post explains e-money institutions and the services they may provide.
HSM & Security
In the past, banking meant going to a branch. Today, most transactions run through channels such as the Internet Branch, ATM and Mobile Branch, so improving internet banking security and regularly informing customers about it is important.