README.md

Expense Tracker API

A simple RESTful API for tracking expenses using Node.js, Express, MongoDB, and JWT authentication. Users can securely add and view their own expenses.

Features

• User Authentication – Register & Login using JWT
• Secure Routes – Only authenticated users can add/view expenses
• Expense Management – Add, view all, and view user-specific expenses
• MongoDB Integration – Uses Mongoose to store expenses and users

Tech Stack

• Backend: Node.js, Express.js
• Database: MongoDB (Mongoose ORM)
• Authentication: JWT (JSON Web Tokens)
• Validation: Joi (for request validation)

API Endpoints

User Authentication

• POST /api/users/register – Register a new user
• POST /api/users/login – Login and get a token

Expense Management

• POST /api/expenses/add – Add a new expense (Auth required)
• GET /api/expenses – Get all expenses (Auth required)
• GET /api/expenses/my-expenses – Get expenses added by the logged-in user (Auth required)

Installation & Setup

Clone the repository, install dependencies, set up environment variables. sh git clone https://github.com/your-username/expense-tracker-api.git cd expense-tracker-api sh npm install Create a .env file in the project root and add: DB_CONNECTOR=your_mongodb_uri TOKEN_SECRET=your_secret_key Run the server: ```sh npm start