Description
Credit card validator, Luhn algorithm check, card number verification, card type detector, Visa Mastercard Amex Discover Diners JCB UnionPay brand identifier, PAN validation. Validate credit card number via Luhn algorithm and identify card brand. Returns validity, card type, masked number. No payment processing, validation only.
This is a ready-to-deploy endpoint for input-validation utility, delivered as ready-to-run Node.js source.
Accepts 1 query parameter as documented in the included endpoint.json. It has no external API dependencies — it works standalone once deployed.
Package includes: handler.js (the request handler), endpoint.json (metadata and pricing schema), and a README with setup notes. Drop it into an Express (or similar) server and you have a working API endpoint in minutes.
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