Card Validator checks whether a card number is valid, identifies the card brand, and flags risk. It runs the Luhn checksum, detects the scheme (Visa, Mastercard, Amex and more), returns the PCI-safe BIN and last 4 digits, flags known processor test cards, and returns a composite risk score.
nodejs python java api dotnet data-validation rest-api npm-package android-library python-package nuget-package cardvalidator bin-lookup apiverve card-validator-api luhn-algorithm-check validate-credit-card-number credit-card-brand-detection
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Updated
Oct 26, 2026 - C#