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.
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"Amex"
19 articles found
Payment Systems
What Are the AVS Codes by Card Scheme?
The Address Verification Service (AVS) is a fraud prevention system that, when used effectively, can help limit fraud and chargebacks. This post lists the AVS response codes used by AMEX, Mastercard and Visa, with a description of each.
Payment Systems
Where Does the Mill's Water Come From? How Banks Really Earn from Credit Card Campaigns
How do banks fund so many points, bonuses, and discounts? This post explains the credit card profitability model: merchant commissions, interchange, interest income, installments, and why campaigns are an investment in transaction volume rather than a cost.
Credit Card
Is the CVV/CVC Code Always 3 Digits?
First, let's briefly explain CVV/CVC. CVV stands for Card Verification Value, a term used for Visa. CVC stands for Card Verification Code, a term used for MasterCard. The CVV/CVC code is used for cardholder verification and to reduce fraud risk.
Clearing
What is Reimbursement Attribute?
DE03/Reimbursement Attribute carries the Reimbursement Value of a transaction. BKM uses this information as the basis for calculating interchange fees and charges between member banks.
EMV
What is an Application Identifier (AID)?
The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.
Credit Card
Is the card number always entered as 16 digits in e-commerce transactions?
About 90% of payment schemes print card numbers with 16 digits. But 90% producing 16-digit cards should not turn into a rule that card numbers are always 16 digits. Web payment forms must also account for the remaining 10%.
Credit Card
Can a Card Have CVV Printed on Both Sides?
Yes. American Express cards have a 4-digit CVV on the front and a 3-digit CVV on the back, like other cards. Here's how payment forms should handle both formats and why logging the security code is never allowed.
Chargeback
What Are the American Express Chargeback Reason Codes?
Chargeback reason codes vary by card scheme. The Amex chargeback reason codes and their descriptions are listed below: American Express Chargeback Reason Codes A01 The charge you submitted did not receive a valid authorization approval code for the amount...
Credit Card
What is an Issuer Identification Number (IIN)?
Issuer Identification Number (IIN) is the first 6 digits of 16-digit cards and the first 8 digits of 19-digit cards. It is more commonly known as BIN (Bank Identification Number). Learn what the IIN table holds and how to look one up.
Merchant & POS
PCI Publishes “CPoC” Standard for Accepting Contactless Payments on Mobile Devices
The PCI Security Standards Council (PCI SSC), founded in 2006 by Amex, Discover, JCB, Mastercard and Visa, has shared its data security and testing standard for accepting contactless payments on smartphones and tablets without extra hardware.
Credit Card
Tell me your BIN number and I'll tell you your card's family tree
BIN is short for Bank Identification Number: a unique, bank-specific number created under ISO/IEC 7812 standards that shows which bank a card belongs to. It is the first 6 digits of a card.