Introduction to Node.js: Build a Todo API Step by Step

Updated on December 03, 2025 10 minutes read

Photorealistic laptop on a dark wooden desk displaying a Node.js client–API server–database diagram and Todo list UI, illustrating modern backend development with JavaScript.

Frequently Asked Questions

What is Node.js used for in this tutorial?

In this tutorial, Node.js is used to build a simple REST API for a Todo list. It lets you run JavaScript on the server, handle HTTP requests, and send JSON responses.

Do I need backend experience to follow this guide?

No. The article is written for beginners who are comfortable with basic JavaScript and the command line. Each step explains what the code does and how the pieces fit together.

Can I replace LowDB with another database later?

Yes. LowDB is a learning‑friendly JSON database, but the architectural pattern you use here also works with databases like PostgreSQL or MongoDB and ORMs such as Prisma or Mongoose.

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