Understanding CVV Test Response Codes

What is a CVV Test Response Code?

CVV test response codes are used by merchants to verify the authenticity of a credit card during online transactions. These codes are three-digit numbers found on the back of most credit cards.

Common CVV Test Response Codes

  • 00: Successful response, card is valid.
  • 01: Invalid card number.
  • 02: Invalid card expiration date.
  • 03: Invalid CVV number.
  • 04: Card has expired.
  • 05: Card is not supported.
  • 06: Transaction is not allowed on this card.
  • 07: Transaction amount is not supported.

Why are CVV Test Response Codes Important?

CVV test response codes help prevent fraudulent transactions by ensuring the cardholder has possession of the physical card. They are crucial for online security and trust in e-commerce.