Short answer
Card test data v9 is not a published standard. No card network, no payment processor, and no standards body issues a dataset under that name. The phrase shows up in forum posts and in file names. In practice it points to a list of sandbox card numbers copied from processor documentation, with a version number added by whoever posted the file.
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Legitimate test card data comes from three places: the sandbox documentation of a payment processor, your own merchant account in test mode, and the numbering rules in ISO/IEC 7812. A file that arrives from anywhere else is unverified.
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What test card data contains
A test card record holds the same fields as a live one:
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- Primary account number (PAN), 16 digits for most brands, 15 for American Express
- Expiration date
- Card verification value (CVV, CVC, or CID), 3 digits, or 4 digits for American Express
- Cardholder name and billing address, when the sandbox runs address verification
Sandbox numbers pass the Luhn check. They route to no bank. No funds move.
Numbers used across processors
- 4111 1111 1111 1111, Visa generic test PAN
- 4242 4242 4242 4242, Visa, Stripe sandbox
- 5555 5555 5555 4444, Mastercard
- 3782 822463 10005, American Express
- 6011 1111 1111 1117, Discover
Any future expiration date works. Processors publish a fixed CVV for each test number, often 123 or 000.
The Luhn check
The Luhn algorithm is a mod-10 checksum. It doubles every second digit from the right, subtracts 9 from any result above 9, and sums the rest. A total that ends in zero passes. The check catches typos and single-digit errors. It does not confirm that an account exists or holds funds.
What the v9 label means
Unknown. There is no public changelog, release note, or issuer tied to v9. Version numbers in this context mark edits by an uploader. A file name like this carries no source, no date, and no verification. Treat the version number as decoration.
Test data compared with live card data
Live PANs, CVVs, and magnetic stripe data fall under PCI DSS. Storage, transmission, and handling rules apply to merchants, processors, and everyone in the payment chain. A test BIN submitted in live mode is rejected at authorization.
Legal status
US law covers this area. 18 U.S.C. 1029 sets penalties for producing, selling, or possessing access devices with intent to defraud. That includes card numbers, CVVs, and account credentials. Penalties reach 10 years in prison and $250,000 per count for a first offense, with higher limits for repeat offenses and for offenses tied to $1,000 or more in a 12-month period.
Card testing, meaning small authorizations run to sort live numbers from dead ones, falls under the same statute. Processors flag the pattern: many low-value attempts, one IP address, a short time window. Merchants who receive the attempts file chargebacks and reports.
Where to get test data
Use the sandbox documentation published by your payment processor. Those numbers are free, current, and legal to use in test mode. If you need a live card, apply to a bank.