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Payment Systems
Message 200 is generated for transactions initiated from POS applications, and the acquiring bank responds with message 210. Learn how 100/110 messages route approvals via the issuing bank, and common rejection reasons.
Online & Authorization
When a card transaction is made abroad, banks usually calculate the cost from a percentage commission, a fixed commission, and an exchange rate margin. The flow starts when the customer requests a cash withdrawal at a foreign ATM.
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.
Merchant & POS
Virtual or electronic authorization devices connected to a bank, used by merchants to accept card payments. The term comes from the English phrase Point of Sale. Covers POS types by communication method, their advantages, who can use one, and the transactions a POS can perform.
Payment Institutions & E-Money
On 7 October 2023, the CBRT amended the Communiqué on Information Systems of Payment and E-Money Institutions and Data Sharing Services of Payment Service Providers, first published on 1 December 2021. Links to the new text, a comparison table and a detailed summary of changes follow.
ATM
ATM cash reset is the process of reconciling the values in all of the ATM's cassettes and in the ATM's memory, zeroing out the ATM balance. The reset is carried out from the operator menu inside the ATM, via End of Day Operations.
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.
ISO 8583
DE 10, Conversion Rate, Cardholder Billing, is an 8-digit numeric value. The first digit shows the position of the decimal point from the right, and the next 7 digits show the value.
ATM
Moving branch transactions to channels such as ATMs, internet banking and mobile banking lowers banking costs, so almost every transaction can now be done through them. Here is what ATMs offer.
Merchant & POS
A Collection POS is a secure, web-based payment platform through which businesses and institutions manage their collections and generate the reports they need. Many similar products exist on the market under different names.
Payment Systems
Takasbank (Istanbul Settlement and Custody Bank) exists to increase the competitiveness of Turkey's markets by providing clearing and custody services, financial services, and other economic activities under the relevant legislation.
Payment Institutions & E-Money
Innovations in payment systems continue. The CBRT's Regulation on Payment Services and Electronic Money Issuance and Payment Service Providers was amended and published in the Official Gazette, with new minimum equity requirements and activity restrictions.