: The card details are correct, but the transaction failed due to a mismatched CVV or generic decline. Dead (Declined) : The card is blocked, expired, or canceled. Legitimate Use Cases vs. Malicious Exploitation
Configure your gateway to reject transactions where the CVV or AVS (Address Verification System) fails. While a checker can still validate the card number, requiring a strict CVV match reduces the checker's ability to determine "Live" status without leaving a trace. cc checker with sk key
Don't be the merchant who wakes up to 10,000 micro-charges and a frozen bank account. Secure your keys today. : The card details are correct, but the
Require you to provide your own Stripe secret key. These are often used by developers to test their own systems, but can be high-risk if the key is used to check large numbers of random cards, as it can lead to Stripe banning the account. Non-SK Checkers: Secure your keys today
: The checker authenticates a connection to Stripe’s servers using the user-provided SK key [1].
| Key Type | Details | Price (USD) | |----------|---------|-------------| | sk_test_... | Test keys, worthless except for practice | $1 - $5 | | sk_live_... (low balance) | Under $500 processed | $50 - $150 | | sk_live_... (verified, high volume) | Active business with >$10k monthly | $500 - $2,000+ | | Keys with full Stripe dashboard access | Includes login credentials | $3,000+ |
Used in front-end code to tokenize card information.