sideway/joi

The most powerful data validation library for JS

JavaScript

21,172

2,184 commits

updated Sep 11, 2026

See the code

README

joi

The most powerful schema description language and data validator for JavaScript.

Installation

npm install joi

Visit the joi.dev Developer Portal for tutorials, documentation, and support

Useful resources

hapi

javascript

schema

validation

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sideway/joi

The most powerful data validation library for JS

JavaScript

21,172

2,184 commits

updated Sep 11, 2026

See the code

README

joi

The most powerful schema description language and data validator for JavaScript.

Installation

npm install joi

Visit the joi.dev Developer Portal for tutorials, documentation, and support

Useful resources

hapi

javascript

schema

validation

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The most powerful data validation library for JS

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