There is no legitimate website to sell CVV or CVC numbers. Every site that advertises card verification values for sale, whether as a marketplace, a Telegram vendor, or a "fresh base" shop, is trading in stolen financial data. In the United States that is a federal offense under 18 U.S.C. § 1029, and the operators behind those storefronts are usually running an advance-fee scam on their own customers: you pay, you receive nothing usable, and you have handed your own identity and payment details to a criminal. If you came here looking to buy or sell card data, the correct answer is to stop. If you came here to understand how the CVV on your own card is supposed to be handled at checkout, or how to run a checkout that protects your customers, the guidance below is what actually matters.
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What those sites actually are
Search results for CVV marketplaces cluster around a few recurring patterns, and none of them are what they claim. Automated carding shops front-load free "test" cards that belong to real victims. Telegram and Discord vendors sell screenshots instead of data. "CVV checker" tools are phishing pages built to harvest the card you type in. Payment processors, card networks, and law enforcement regularly seize and sinkhole these domains, which is why the same storefront reappears under a new name every few months. There is no due diligence you can perform that makes participation safe or legal, because the underlying product is a stolen credential.
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What to look for in a checkout that handles CVV correctly
For shoppers, the question is whether a merchant treats the three-digit code the way the card networks require. For merchants, it is whether your stack does. The signals are consistent.
- The code is requested only at the moment of payment. A merchant should ask for the CVV on the payment form, not in an email, a chat window, or a phone call that you initiated from a product page.
- It is never stored. PCI DSS Requirement 3.2 prohibits retaining the card verification value after authorization, even in an encrypted form. Any merchant that can read your CVV back to you from a past order is out of compliance.
- Tokenization is in place. Repeat purchases and subscriptions should run on a network token or a stored card reference, not on a re-entered code.
- 3-D Secure or EMV 3DS triggers on risk. A step-up challenge from your card issuer on a high-value or unfamiliar transaction is a sign the fraud controls are working, not a sign of a bad store.
- Address Verification Service and CVV checks both run. Issuers score the two results together, so a checkout that silently drops one of them is leaving fraud detection on the table.
Parameter bands worth knowing
- CVV format: three digits on Visa, Mastercard, and Discover; four digits on American Express. A form that accepts six or eight characters in that field is not a real payment form.
- Retention window: zero. Authorization happens, the result is logged, the code is discarded.
- Decline handling: no more than three retries on a single card in a session before the issuer blocks it, and never a retry with a different CVV guessed by the customer.
- Chargeback threshold: card networks place merchants into monitoring programs around 0.9 percent of transactions by count and 1.0 percent by value, which is why CVV and AVS mismatches should be reviewed before shipping physical goods.
Pitfalls
The most common mistake shoppers make is reading the CVV aloud to someone who called them, claiming to be from the bank or the fraud department. No legitimate issuer asks for it inbound. The second is storing card details, including the code, in a notes app, a spreadsheet, or a screenshot for convenience. The third is assuming a small merchant is safe because the page shows a padlock; a padlock says the connection is encrypted, not that the merchant is compliant or that the site is honest. On the merchant side, the recurring failure is routing card data through a custom checkout form on your own servers instead of a hosted field, which pulls the entire code path into your PCI scope.
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FAQ
Is selling CVV data legal in any US state?
No. Trafficking in unauthorized access devices is a federal crime, and state statutes on identity theft and computer crime add further exposure. There is no licensed or regulated market for card verification values.
Should I ever give my CVV over the phone?
Only if you placed the call to a number you independently verified from the back of your card or the merchant's own site. If someone calls you and asks for it, hang up and call the issuer using the number printed on your card.
Can a charge go through without the CVV?
Yes. The CVV is one input into an issuer's fraud score, not a hard gate. Card-not-present fraud still happens on compliant checkouts, which is why you should enable transaction alerts and review statements.
What should I do if my card was used on a CVV site?
Freeze the card through your issuer's app, dispute the charge, change any password reused on that site, and file a report. Credentials you entered there should be treated as public.