ISO 8583
ISO 8583 Field Descriptions (F3)
Field 3, Processing Code, is the field that shows what type of transaction is being performed and is critical for authorization. A Sale from POS differs from a Cash Withdrawal at an ATM.
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Merchant & POS
What Does Loading Parameters onto a POS Mean?
Loading parameters onto a POS transfers BIN lists, key data, and refund/cancellation authorizations from the management system onto the terminal. Learn how and when it happens.
ISO 8583
ISO 8583 Field Descriptions (F38)
DE 38 (AUTHORIZATION IDENTIFICATION RESPONSE) is the authorization code generated when a transaction is approved. It is alphanumeric, 6 characters long, and left empty for declined transactions.
Merchant & POS
What is Batch Upload?
When a transaction is made through a POS, it is recorded both on the POS itself and in the acquiring bank's authorization system. At batch close, the POS sends all its transactions to the bank, which reconciles them against its own records.
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.
Merchant & POS
What Is a POS (Point of Sale)?
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.
Merchant & POS
How is a software version uploaded to a POS terminal?
To upload a version to a POS, the software on the POS and the authorization system on the bank side must support it. Version upload to a POS can be done manually on the device itself, or via a remote upload request.
Merchant & POS
What is the risk of mail order transactions for merchants?
Mail order transactions are preferred by cardholders because they only block the card limit by the installment amount, creating a sales opportunity for merchants. But is the remaining balance guaranteed?