Card Tools
Card Validator & Info Checker
Validate cards, detect type & bank, check expiry/CVV, and run Authorize.net auth checks.
💳
Expiry Date
CVV / CVC
Street Address
ZIP / Postal Code
🧪 Quick-fill test cards (sandbox):
Visa 4111...
MC 5424...
Amex 3782...
Disc 6011...
🔍 Quick Check
⚡ Full Check (Authorize.net)
Configure Authorize.net credentials in settings (⚙️) to enable full checks.
💡 Press Enter for quick check · Ctrl+Enter for full check
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Valid Thru
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Card Type
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Status
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Validation
Luhn Check
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Card Length
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Network
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Expiry
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CVV
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BIN / Issuer Info
Issuing Bank
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Country
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Card Category
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Authorize.net Results
Running authorization check...
Auth Status
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Transaction ID
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AVS Result
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CVV Result
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Clear All
⚙️ Authorize.net Settings
Environment
Sandbox
Production
Use Sandbox for testing with test card numbers.
API Login ID
Transaction Key
CORS Proxy URL
📋 Deploy a CORS Proxy (Cloudflare Worker)
Required — see deployment instructions below.
- Go to dash.cloudflare.com → Workers & Pages → Create Worker
- Replace the default code with the proxy script below
- Click "Save and Deploy"
- Copy the worker URL and paste it in the Proxy URL field above
Clear All
Save Settings
What is CVV/CVC?
The 3 or 4-digit security code on your card. For Visa/Mastercard/Discover, it's on the back (3 digits). For Amex, it's on the front (4 digits).
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