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Checking Credit Cards

REST API in Node.js and Express.js to test AMEX, Discover, MasterCard and Visa cards. The API takes the card number and defines the card type and gets validated by the Luhn Algorithm.

Simple front-end in React providing a form that will pass the input through the API and return its results back to you.

How to run Project

  1. Backend: Run npm install in this folder to install all dependencies and npm start to start the server.
  2. Frontend: Run npm install in this folder to install all dependencies and npm start to start the ReactJS app.

API

  • URL

    /numberValidation/:number

  • Method:

    GET

Todo List

  • Limit the card number field to 16 numbers only
  • Check if Expiry date is in future