5. Input Validation in Node.js using Joi | Validate API Requests Properly

Published: 28 January 2026
on channel: AU matrix
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In this video, we implement input validation in Node.js using Joi to validate API requests.

node.js setup :    • 1. Node.js Project Setup Step by Step | Cl...  
mongodb connection :    • 2. MongoDB Connection in Node.js | Connect...  

You’ll learn how to:

Install and configure Joi

Validate request body, params, and query

Create reusable validation schemas

Centralize validation logic

Handle validation errors cleanly

Protect APIs from invalid data

This approach is used in real-world backend applications.


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