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"merchant account"

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Illustration representing a POS batch number counter

Merchant & POS

What Is a Batch Number?

The batch number is kept on the POS, incremented by 1 at each end of day, used to transfer transactions to the merchant account and for reconciliation. It's tracked on both the POS and the bank's system.

Old mechanical credit card imprinter machine used to transfer embossed card details onto a sales slip

Merchant & POS

What Is an Imprinter?

An imprinter is the name given to devices that transfer all the information embossed on a credit card onto a paper sales receipt. Before POS terminals, it was commonly used by merchants for authorization transactions.

Diagram illustrating the card authorization process

Merchant & POS

What Happens During Authorization?

Today, credit cards play an important role in our daily lives. We can carry out almost all of our transactions without carrying cash, using our credit card instead. During a purchase, we hand our card to the cashier and enter our PIN at the POS terminal.

Illustration representing a POS batch deletion

Payment Systems

What is Batch Delete? What Are the Important Points?

In POS applications and on the merchant side, we use the term Batch in a similar way to end of day. Every transaction made via POS is held under a batch number reported to the HOST at end of day.

Illustration of a POS end-of-day batch upload process

Merchant & POS

What Does It Mean When a POS End-of-Day Falls Into Batch Upload?

Merchants can run the end-of-day process by triggering it from the POS device or app for transactions made there. Banks can also run it centrally on merchants' behalf. The end-of-day process sends the POS's transaction totals to the bank's host system.

Diagram of the Chargeback Document Management System (CDYS) process flow

Credit Card

What is the Chargeback Document Management System (CDYS)?

The Chargeback Document Management System (CDYS) is a system developed by BKM to resolve customer disputes over card payment transactions among BKM members, covering Copy Request, Chargeback, Representment, and related processes.

Illustration explaining the authorization process for card payments at POS, virtual POS, and ATM terminals

Merchant & POS

What is Authorization?

The term 'provizyon' comes from French and means obtaining approval for a transaction. In payment systems, authorization confirms that the card, POS, bank account, and transaction limits are sufficient to complete a payment.

Merchant choosing between a bank POS and a virtual POS service

Merchant & POS

Is it mandatory to work with a bank to get a POS terminal?

The answer depends on the type of POS terminal. A physical POS (GPRS, Dial-Up, IP, or cash-register POS) requires working with a bank. A virtual POS can also be obtained from a payment institution without a separate bank agreement.

Illustration representing a foreign currency POS transaction

Payment Systems

What is Foreign Currency POS? What are the key points?

Foreign Currency POS is the POS software that lets merchants process transactions in a foreign currency. Terminals without it can only collect payments in Turkish lira. It comes in two common forms: Multicurrency POS and DCC POS (Dynamic Currency Conversion).