What is Hono?

Hono is a web framework known for its minimal size and high performance. At just 14KB, it runs on multiple environments including Cloudflare Workers, Deno, Bun, and Node.js.

It offers an Express.js-like API but is much faster and lighter.

Runtime Support

Hono runs on many platforms including Cloudflare Workers, Deno, Bun, Node.js, Vercel Edge, and AWS Lambda. This multi-runtime support lets you use the same codebase across different platforms.

A separate adapter is used for each environment, and Hono adapts automatically.

Basic Usage

Defining API endpoints with Hono is straightforward. You define routes with methods like app.get() and app.post(), and can add middleware.

Simple and intuitive route definition Middleware support (auth, cors, logger) Input validation with validators Type-safe client with RPC

Middleware and Validation

Hono supports common middleware like JWT, CORS, and rate limiting. The integrated validator with Zod makes input validation easy.

Performance

Hono stands out with low latency and high requests-per-second. It is especially ideal for edge computing applications. Its ultra-lightweight structure ensures minimal cold start times.