No Legit Market for CVV Data: Why Selling CVVs Is Illegal
There is no legitimate place to sell CVV data. Trafficking in card verification values is card fraud under U.S. law; use lawful payment and fraud-reporting channels instead.
Use an Authorize.net test card only in the Authorize.net sandbox to simulate payments without moving real money. Common sandbox values include 4111111111111111 for Visa and 5424000000000015 for Mastercard, paired with a future expiration date and a valid-format CVV. These numbers are for development testing, not for live transactions or identity checks.
An Authorize.net test card is a publicly documented card number that the payment gateway accepts in its test environment. It lets developers check checkout forms, payment requests, response handling, and error messages before production. The sandbox mirrors API behavior but does not authorize real charges.
Authorize.net's developer documentation lists test values for major card brands. Use them only in the sandbox.
For most sandbox tests, use a future expiration date and a 3-digit CVV for Visa, Mastercard, and Discover, or a 4-digit CVV for American Express. If you are testing CVV or address verification responses, use the specific test values from the developer documentation.
Use a documented decline test card, such as 4222222222222, to confirm that your checkout displays a failed payment state. Verify that your system logs the response code, does not create a paid order, and shows a clear message to the customer. Do not treat a sandbox approval as proof that a live account is configured correctly.
Buying or using stolen card data is illegal and causes chargebacks and account termination. If your site accepts payments, follow PCI DSS requirements and use the gateway's fraud tools.
There is no legitimate place to sell CVV data. Trafficking in card verification values is card fraud under U.S. law; use lawful payment and fraud-reporting channels instead.
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