In this Application ,NodeJS can Authenticate and Authorise in order to verify user credantials and using those credantials to confirm the user identity, with MySQL as database and Postman as API platform. before running it make sure Nodejs,mysql and postman are installed in your system. To run this attach a .env file so that you can store your database details create the server then inside postman app , enter the url for example localhost:8000/login or localhost:8000/create int these fields enter data in the form of json (key-value pair)