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Introducing OpenAPI Type Gen for Elysia
elysiajs.comSaved September 21, 2025
Web Framework Extension
Summary
The article announces the release of OpenAPI Type Gen for Elysia, a feature that can automatically generate complete OpenAPI specifications from an application's routes and TypeScript types. It emphasizes zero‑runtime annotation, type‑safe generation, and seamless integration with existing Elysia projects.
Highlights
- Generates OpenAPI docs directly from Elysia routes and TypeScript types
- No manual annotations or separate schema files required
- Works at build time for instant type‑safe documentation
- Integrates with existing Elysia middleware and plugins
auto-generated
Context
Audience
Backend developers building TypeScript APIs who want automated, type‑safe OpenAPI documentation without writing extra annotations
DomainWeb Development – TypeScript APIs
Formatblog post / product announcement
Accessfree online
Topics
Related
ElysiaJS core frameworkOpenAPI SpecificationTypeScript type‑driven developmentSwagger UI integrationOther Elysia plugins
