INFORMATION

 

 
FILES / DOWNLOADS

 

 
KNOWLEDGE BASE

 

 
DEBIT CARDS: POSSIBLE PROBLEMS

Debit vs. Credit Identification: Risk and Routing Logic

Distinguishing between Debit and Credit card types is a fundamental requirement for payment routing, interchange fee calculation, and fraud scoring. While debit cards offer lower processing costs in many regions, they represent different chargeback risks and authorization patterns compared to credit products.

Debit Card Attributes

Directly linked to a bank account. Often subject to regional PIN-debit networks (STAR, NYCE, Pulse) in the US or local schemes in Europe. Identification is critical for applying "Durbin Amendment" regulated rates in the USA.

Credit Card Attributes

Issued via a credit line. Generally carries higher interchange fees. BIN identification allows for sub-product categorization (e.g., Infinite, World, Corporate) which significantly impacts the transaction cost.

Implementation: Parsing the Card Type

In the BinBase dataset, the 4th parameter explicitly defines the card type. This allows for automated pre-authorization logic:

Record Structure Example

// Syntax: BIN;Brand;Issuer;Type;Category;Country;ISO;...

463256;VISA;CARD SERVICES FOR CREDIT UNIONS;DEBIT;CLASSIC;USA;US;...

463257;VISA;CARD SERVICES FOR CREDIT UNIONS;CREDIT;PLATINUM;USA;US;...

Merchant Considerations

  • Chargeback Risk: Systems can apply stricter velocity checks to debit BINs often used in "card-not-present" (CNP) fraud attempts.
  • Surcharge Compliance: Identification enables compliance with regulations that prohibit surcharging debit cards while allowing it for certain credit products.
  • Balance Verification: Some processors require specific indicators to trigger balance inquiries for debit-only transactions.

Accurate card type identification is available across all licensing tiers.

Compare Database Tiers