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Node.js for Beginners: Build Your First REST API in 30 Minutes

Build your first REST API with Node.js and Express in just 30 minutes. A step-by-step beginner tutorial with real code from the ToonsCode coding blog.

Quick answer: Build your first REST API with Node.js and Express in just 30 minutes. A step-by-step beginner tutorial with real code from the ToonsCode coding blog.

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Node.js for Beginners: Build Your First REST API in 30 Minutes Ready to go beyond the front end? Building your own API is one of the most exciting milestones in a developer's journey. At ToonsCode https://toonscode.com , we love making back end development feel approachable — so let's build a real REST API together using Node.js and Express. What You'll Build A simple REST API for a to do list with four endpoints: GET /todos — get all to dos POST /todos — create a new to do PUT /todos/:id — update a to do DELETE /todos/:id — delete a to do Prerequisites Node.js installed v18+ Basic JavaScript knowledge A code editor VS Code recommended Step 1: Set Up Your Project Create an index.js file and add this boilerplate: Run with: node index.js Step 2: Create In Memory Data Storage Step 3: Add Your Routes Step 4: Test Your API Use Thunder Client VS Code extension or Postman to test: | Method | URL | Body | | | | | | GET | http://localhost:3000/todos | — | | POST | http://localhost:3000/todos | {"task":"New item"} | | PUT | http://localhost:3000/todos/1 | {"done":true} | | DELETE | http://localhost:3000/todos/1 | — | What's Next? Once your API is working, level it up by: Connecting to a real database MongoDB with Mongoose Adding authentication with JWT Deploying to Railway or Render for free Your Back End Adventure Starts Here Building APIs unlocks full stack development — and full stack developers are among the most in demand in the industry. Keep building and learning at ToonsCode https://toonscode.com , where every tutorial is a new chapter of your coding adventure.

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