Card Tools
Card Validator & Info Checker
Validate cards, detect type & bank, check expiry/CVV, and run Authorize.net auth checks.
💳
Billing Address (optional, for AVS verification)
🧪 Quick-fill test cards (sandbox):
---
🔲
•••• •••• •••• ••••
Valid Thru
--/--
Card Type
---
Status
---
Validation
Luhn Check
---
Card Length
---
Network
---
Expiry
---
CVV
---
BIN / Issuer Info
Issuing Bank
---
Country
---
Card Category
---
Authorize.net Results
Running authorization check...
Auth Status
---
Transaction ID
---
AVS Result
---
CVV Result
---
⚙️ Authorize.net Settings
Use Sandbox for testing with test card numbers.
Required — see deployment instructions below.
📋 Deploy a CORS Proxy (Cloudflare Worker)
- 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
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).