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Merchant & POS
Partial authorization lets an issuer approve part of the requested amount when the card lacks the full balance, with the rest paid another way. This post covers the technical, receipt, clearing, reconciliation, merchant and certification requirements for acquirers.
Chargeback
Compliance means adherence to card scheme rules. Outside chargebacks, it is how a bank that loses money because card payment organization rules were broken recovers that amount from the party that caused the loss.
HSM & Security
PA-DSS (Payment Application Data Security Standard) is the Payment Application Data Security Standard set by the PCI SSC, a global security standard created by the Payment Card Industry Security Standards Council.
Credit Card
A single BIN cannot be used to issue both a credit card and a debit card. If a bank offers both products, it has at least two different BINs, allocated and announced separately by card type.
Merchant & POS
In the past, collecting a payment meant physically swiping a card through a POS device. Payment methods have since diversified so much that customer satisfaction, transaction counts and volumes have all increased. Here is why SMS payment is gaining popularity.
HCE
An international standard that defines proximity cards used in Near Field Communication (NFC) and the protocols used to communicate with them. It has 4 parts; Part 4 covers NFC and HCE operations.
Payment Systems
WhatsApp, one of the world's leading messaging apps, is rolling out a long-awaited new feature. After the update, users in Brazil will be able to shop and pay from within the app. Meta announced that users can now pay small businesses directly in WhatsApp.
Agentic Commerce
Are We Ready to Give an AI Agent the Authority to Make Payments? Having long looked at complaint and dispute processes in payment systems, I think granting an agent payment authority is far different from research or product selection.
Security
Fraud means obtaining unjust gain by carrying out a transaction at a merchant or ATM using someone else's credit card or debit card, causing a loss to the real cardholder, the merchant, or the bank. So what fraud codes do Visa and Mastercard use?
Credit Card
When payment systems come to mind, credit cards are usually the first thing people think of. Credit cards are produced according to specific standards, both in visual design and during printing. These standards belong to the ISO/IEC 781X family.
Closed-Loop Payments
In the final post of the closed-loop payments series, the common question behind cards, QR payments, and prepaid balances comes into focus: who manages the customer relationship, and whose ecosystem does the customer stay in?
Merchant & POS
UnionPay International (UPI) is a China UnionPay subsidiary founded in November 2012. Together with more than 1,000 institutions worldwide, UPI provides international card acceptance in 160 countries and card issuance in more than 40 countries and regions.