Last Updated: 3/9/2026

Third-party Middleware

Third-party middleware refers to middleware not bundled within the Hono package. Most of this middleware leverages external libraries.

Authentication

• Auth.js(Next Auth) 
• Casbin 
• Clerk Auth 
• Cloudflare Access 
• OAuth Providers 
• OIDC Auth 
• Firebase Auth 
• Verify RSA JWT (JWKS) 
• Stytch Auth 

Validators

• Ajv Validator 
• ArkType Validator 
• Class Validator 
• Conform Validator 
• Effect Schema Validator 
• Standard Schema Validator 
• TypeBox Validator 
• Typia Validator 
• unknownutil Validator 
• Valibot Validator 
• Zod Validator 

OpenAPI

• Zod OpenAPI 
• Scalar 
• Swagger UI 
• Swagger Editor 
• Hono OpenAPI 
• hono-zod-openapi 

Development

• ESLint Config 
• SSG Plugin Essential 

Monitoring / Tracing

• Apitally (API monitoring & analytics) 
• Highlight.io 
• LogTape (Logging) 
• OpenTelemetry 
• Prometheus Metrics 
• Sentry 

Server / Adapter

• GraphQL Server 
• Node WebSocket Helper 
• tRPC Server 

Transpiler

• Bun Transpiler 
• esbuild Transpiler 

UI / Renderer

• Qwik City 
• React Compatibility 
• React Renderer 

Queue / Job Processing

• GlideMQ (Message Queue REST API + SSE) 

Utilities

• Bun Compress 
• Cap Checkpoint 
• Event Emitter 
• Geo 
• Hono Rate Limiter 
• Hono Problem Details (RFC 9457) 
• Hono Simple DI 
• Idempotency (Stripe-style idempotency keys) 
• jsonv-ts (Validator, OpenAPI, MCP) 
• MCP 
• RONIN (Database) 
• Session 
• tsyringe 
• User Agent based Blocker