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.

Library package utils for payment industry

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

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

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

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.

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.