Python library to generate and validate credit card numbers. Features a fast, offline BIN lookup using a local database. Zero dependencies, no API keys needed. Perfect for generating test data.

A batteries-included, supercharged & customizable, string validation library for Arturo

Credit Card Checker is a tool designed to verify the validity and authenticity of credit card numbers.

A lightweight web server for validating credit card numbers, written in Go.

Dart plugin to detect or predict credit/debit/gift cards by the first digit of the card number.

Credit Card verification package

Library package utils for payment industry

This is a simple project made to showcase object oriented programming in C++

A simple Python implementation of the Luhn Algorithm for validating credit card numbers, completed as part of a FreeCodeCamp project.

This application performs a quick check on credit card details and returns the status of the check, alongside the error(s) where applicable.

Modern C++26 implementations of CS50 problem sets. PS1 through PS5 will eventually appear.

Credit Card Validator: A C program implementing Luhn's Algorithm for credit card validation, supporting American Express, MasterCard, and Visa cards. Contribute to enhance this tool for broader usability and accuracy.

PHP library to validate Payment Cards (Debit/Credit and more).