hono-zod-openapi

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hono-zod-openapi

OpenAPI in Hono made easy

Getting Started
API Reference

Simple Middleware

Just add the openApi middleware to your routes — no need to restructure your Hono app

Typed Responses

Type-safe c.var.res helper ensures your responses match your OpenAPI schema at compile time

Request Validation

Built-in request validation powered by @hono/zod-validator with automatic OpenAPI translation

Flexible Notation

Describe responses with raw Zod schemas, library notation, zod-openapi notation, or classic OpenAPI spec