w3-kitdocs

W3 Kit Documentation

Everything you need to build Web3 apps. Guides, API reference, and code examples.

WHY W3 KIT

Built for Web3 Developers

Framework Agnostic

Works with any React framework. Next.js, Remix, Vite — just install and use.

Lightweight

Zero runtime dependencies. Tree-shakable exports. Only pay for what you use.

Accessible

WCAG 2.1 AA compliant. Full keyboard navigation. Screen reader tested.

TypeScript-First

End-to-end type safety. IntelliSense everywhere. No @types packages needed.

Dark Mode

Beautiful light and dark themes built in. System preference detection. CSS variable tokens.

ECOSYSTEM

The W3 Ecosystem

One toolkit. Five tools. Everything connects.

UI Library

Production-ready Web3 components

  • 50+ React components
  • Wallet, chain, token UIs
  • Fully typed & themed

DocumentationYou are here

Guides & API reference

  • Step-by-step tutorials
  • Full API documentation
  • Code examples

Registry

Chain & token data

  • 14 chains, 18 tokens
  • RPC URLs & explorers
  • Typed & queryable

Learn

Interactive courses

  • Hands-on recipes
  • Build real dApps
  • Beginner to advanced

Start Building Today

Open source and free forever. Get started in minutes.