UserVault

Simple user authentication API built with Express.js.

Features

• User registration and login
• Token-based authentication
• Protected routes
• Session management

Installation

npm install express

node app.js

Server runs on port 3000.

API Endpoints

• GET / - Health check
• POST /register - Register new user (username, password)
• POST /login - Login user, returns token
• GET /profile - Get user profile (requires Bearer token)
• POST /logout - Logout user

Authentication

Use Authorization: Bearer <token> header for protected routes.

Requirements

• Node.js
• Express.js

Notes

Basic implementation for development. Not production-ready.