express-project-10-status-code-demo-api

A simple Express.js backend project that demonstrates different HTTP status codes with clear examples.

Project Goal

This project helps in understanding how HTTP status codes work in real APIs.

It focuses on:

• returning proper HTTP status codes
• structuring backend with controllers and routes
• building a clean Express.js API
• testing APIs using REST Client

Tech Stack

• Node.js
• Express.js
• Nodemon

Project Structure

express-project-10-status-code-demo-api
│
├─ src
│  ├─ controllers
│  │  └─ statusCode.controller.js
│  │
│  └─ routes
│     └─ statusCode.route.js
│
├─ index.js
├─ api-test.rest
├─ .gitignore
├─ package.json
└─ README.md

Installation

Clone the repository

git clone https://github.com/a2rp/express-project-10-status-code-demo-api.git
cd express-project-10-status-code-demo-api

Install dependencies

npm install

Run the Project

Development mode (with nodemon)

npm run dev

Production mode

npm start

Server runs at:

http://localhost:1198

API Endpoints

Home

GET /

Status Code Examples

GET /status/200
GET /status/201
GET /status/400
GET /status/401
GET /status/404
GET /status/500

Example Response

{
    "success": true,
    "statusCode": 200,
    "message": "OK - Request completed successfully"
}

Learning Outcome

By building this project, you learn:

• what HTTP status codes mean
• when to use different status codes
• how to structure Express backend
• how to separate routes and controllers
• how to test APIs

Author

Ashish Ranjan

Follow me

• GitHub: https://github.com/a2rp
• Portfolio: https://www.ashishranjan.net
• LinkedIn: https://www.linkedin.com/in/aashishranjan
• Facebook: https://www.facebook.com/theash.ashish/