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Chargeback
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...
ISO 8583
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.
Online & Authorization
Many fields are sent in the authorization message of a card transaction, one of the most important being the authorization code. On its own it is not enough; together with the STAN and transaction date, the transaction can be found directly.
Merchant & POS
Pre-authorization closing turns a pre-authorized transaction into a financial one, posting it to the merchant and cardholder accounts. See how amounts and available limit are affected.
Merchant & POS
Partial Authorization lets an issuer approve part of a transaction instead of declining it when the balance or limit is insufficient. This post covers how it works in ISO 8583, whether it is mandatory, and why it matters for the business.
Chargeback
A chargeback is the process of requesting that an amount paid by credit card be refunded, either because the goods or services paid for were not received, or because a transaction is identified as one the cardholder did not carry out.
Credit Card
Cases where authorization approval is declined have always puzzled cardholders. Whenever the response code requires contacting the issuing bank (usually for declined transactions), the date, amount, and response code of the failed transaction become very important.
Merchant & POS
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 & 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.
Security
An external network scan run every 3 months by an Approved Scanning Vendor authorized by card schemes such as MasterCard and Visa, required for PCI DSS compliance. It checks whether merchant systems are protected against external threats.
Merchant & POS
A Letter of Approval (LoA) is a written approval from a card scheme or certification body letting a company proceed with a certified function. Learn how it works.
Payment Systems
Every payment transaction completes in seconds, yet dozens of controls run behind the scenes. This post covers the precautions for authorization and clearing, the critical role of reversals, and the financial loss scenarios most often seen in the field.