cvv test cases

CVV test cases are scripted checks that confirm how a checkout form accepts, rejects, and passes along the card verification value — the three-digit code on the back of most cards, or the four-digit code on the front of American Express. A complete pack lets QA teams and developers exercise every validation path in a payment flow without ever touching a live card. Each case pairs a sandbox card number with a specific CVV input and a documented expected result, so outcomes stay repeatable from one build to the next.

Key Features

• Positive and negative cases covering both 3-digit and 4-digit CVV formats
• Boundary tests for too-short, too-long, and blank values
• Alphanumeric, whitespace, and symbol input rejection checks
• Luhn-valid sandbox card numbers paired with matching test CVVs
• Expected decline and error codes mapped to each failure scenario
• Front-end validation cases kept separate from back-end authorization cases
• Copy-paste ready tables for automated regression suites

What format do the cases come in?

The pack ships as structured spreadsheet and JSON files with consistent columns: case ID, card number, CVV input, input method, expected UI behavior, and expected gateway response. Nothing is hard-coded to one processor, so the same rows work against Stripe, PayPal, Authorize.net, or an in-house sandbox.

Do these values work on live cards?

No. Every number and CVV in the pack is a sandbox-only value documented by payment providers for testing. None of them will authorize a real transaction, and the pack is built for development and QA environments rather than production.

How many cases do I need to run?

Start with the core validation set — roughly a dozen rows — to cover format, length, and empty-field behavior, then add decline-code and 3-D Secure rows as your integration grows. Most teams keep the full pack in regression and run the core set on every pull request.

Specifications: all cases follow PCI DSS guidance on never storing or logging the verification value after authorization, and each scenario notes where the value must be masked or dropped. The data tables are plain text and UTF-8 encoded, so they import cleanly into Postman, Cypress, Playwright, or a manual test plan. Files are versioned, and updates are issued whenever a provider changes its sandbox behavior.

Delivery is instant and digital — the download link and any update notices arrive by email right after checkout. If a file will not open or a case set is missing, contact support and a replacement or full refund is issued, no questions asked.