NodeJS Express CRUD API Sample

A simple and effective CRUD API built using Node.js and Express. This project serves as a lightweight boilerplate for developers who want to create RESTful Web APIs with basic CRUD functionalities (Create, Read, Update, Delete) in Node.js using the Express framework.

Features

• Lightweight and minimal setup
• Built entirely with Node.js and Express
• In-memory data storage (no external database required)
• Full CRUD endpoints:
  • GET /api/items – Retrieve all items
  • GET /api/items/:id – Retrieve an item by ID
  • POST /api/items – Create a new item
  • PUT /api/items/:id – Update an existing item
  • DELETE /api/items/:id – Delete an item

Requirements

• Node.js v14 or higher
• npm (Node package manager)

Getting Started

1. Clone this repository or download the ZIP.

2. Navigate to the project folder:

cd NodeJS-Express-CRUD-API-Sample

3. Install dependencies:

npm install

4. Start the server:

npm start

The API server will be running at:

http://localhost:3000

Example Endpoints

You can test the API using tools like Postman or curl.

Create an Item

POST /api/items
Content-Type: application/json

{
  "name": "My New Item"
}

Get All Items

GET /api/items

Get a Specific Item

GET /api/items/1

Update an Item

PUT /api/items/1
Content-Type: application/json

{
  "name": "Updated Item"
}

Delete an Item

DELETE /api/items/1

Notes

• This project uses an in-memory JavaScript array to store data. All items are lost when the server restarts.
• The code is fully self-contained and meant for educational purposes, prototyping, and quick tests.
• No database is required or configured.

Further Reading

For a detailed explanation and walkthrough of the code, please refer to the original article published on Ryadel.com:

• 📖 Node.js and Express CRUD API Code Sample – Boilerplate and Code Explained

📄 License

This project is open-source and available under the MIT License.