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Credit Card
Most of us remember the impact the first iPhone, introduced by Steve Jobs on January 9, 2007 and revolutionary for its time, had on our lives. In a similar way, a product that will completely change how we use and view credit cards...
Payment Systems
Message 200 is generated for transactions initiated from POS applications, and the acquiring bank responds with message 210. Learn how 100/110 messages route approvals via the issuing bank, and common rejection reasons.
EMV
The Lower Consecutive Offline Limit is the maximum number of consecutive offline transactions allowed by the ICC application, as set by the issuer, on a terminal capable of going online. It is sent in tag 9F14.
EMV
The Pin Change/Unblock command is used after card issuance to let the issuer remove a card's PIN block, or instantly change the reference PIN and remove its block, as well.
Merchant & POS
When a chip can't be read due to a chip fault or the card being inserted incorrectly, the transaction is completed by swiping the magnetic stripe on the right side of the POS. Can chipless cards do fallback?
Chargeback
A chargeback is the refund of an amount paid by credit card to the cardholder's card when the purchased goods or services were not received, or when a transaction was not actually carried out by the cardholder.
Online & Authorization
In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.
Credit Card
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%.
Payment Systems
The number of consecutive transactions you can make with your card in a day is set by the bank or institution that issued it. For details, contact the customer service of the bank or institution that issued your contactless card.
Credit Card
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.
Merchant & POS
The Upper Consecutive Offline Limit is the maximum number of consecutive offline transactions allowed by the issuer's chip card application on a terminal that cannot go online. It is held in tag 9F23.
Credit Card
The payment card industry is arguably the sector most affected by technology and the quickest to adapt new developments. With mobile devices, payment systems have changed a lot - we now prefer using our credit cards virtually rather than physically.