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Example of a POS transaction receipt (slip)

Merchant & POS

Don't Dismiss the POS Receipt

In daily credit card purchases, the POS produces two receipts: the Customer Copy and the Merchant Copy. The cardholder gets the customer copy; the merchant keeps its own copy by law.

Diagram explaining how the CVV/CVC code is generated and verified on payment cards

Credit Card

What is CVV/CVC?

CVV is short for Card Verification Value, a term used by Visa. CVC is short for Card Verification Code, a term used by MasterCard. The CVV/CVC code is used for cardholder verification and to reduce fraud risk.

Close-up of a payment card showing the embossed cardholder name

Credit Card

What is Emboss Name?

The customer's name printed on credit and debit cards is called the emboss name. But can we print an unlimited amount of name information on the card? There is a specific area reserved on the card for it.

American Express (Amex) card and logo

Credit Card

What Is an Amex (American Express) Card?

Amex is short for American Express, a payment scheme like Mastercard, Visa, or TROY. Learn its history, what sets Amex cards apart, and whether every website accepts them.

Illustration of Host Card Emulation (HCE) enabling contactless mobile payments

Online & Authorization

What Is HCE?

HCE lets a mobile device's operating system emulate the cards we use daily (credit, debit, gift cards, etc.) to make contactless payments via NFC. In other words, our phones behave like the cards we use for payments.

Diagram comparing the digitization and tokenization processes in mobile payments

HCE

Comparing Digitization and Tokenization

Tokenization and digitization are two important terms in mobile payments that are easily confused and often used interchangeably. What is the difference between digitization and tokenization?

Table listing sample Merchant Category Codes (MCC) and their descriptions

Merchant & POS

What Is an MCC (Merchant Category Code)?

MCC stands for Merchant Category Code: a 4-digit code used to classify merchants by business type. Codes differ slightly between Mastercard, Visa, and BKM.

Table describing the subfields of ISO 8583 field 60, the advice reason code

ISO 8583

ISO 8583 Field Descriptions (F60)

F60-ADVICE REASON CODE: Used to indicate the specific purpose of an advice/reversal message. It is 60 characters long.

Diagram explaining the MCC merchant category code field in ISO 8583 messages

ISO 8583

ISO 8583 Field Descriptions (F18)

F18-MERCHANT TYPE: This is the merchant's category code (MCC) information. It must contain values from the Mastercard or Visa MCC Code list. It is a 4-digit numeric value. For ATM transactions, MCC code 6011 should be sent. The role of MCC in authorization...

Diagram illustrating the ISO 8583 F39 response code field

ISO 8583

ISO 8583 Field Descriptions (F39)

F39 - RESPONSE CODE: This is the code showing whether the transaction was approved or declined. It is 2-digit alphanumeric. Typically 00 is sent when approved, and a decline reason code is sent when declined.

Table showing service code values and their meanings for payment cards

Credit Card

What is the Service Code on Cards?

The service code is information printed on a card's Track 1 and Track 2 data, covering card type, PIN usage, and domestic/international usage status. It is kept at the product level in bank systems.