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+---
+name: ElysiaJS OpenAPI
+description: The incredibly fast bun-based web application framework has OpenAPI baked in, and just building applications can be enough to emit API documentation using Scalar UI, or exported for other uses.
+categories:
+  - openapi-aware-frameworks
+link: https://elysiajs.com/plugins/openapi
+repo: https://github.com/elysiajs/elysia-openapi
+languages:
+  nodejs: true
+oasVersions:
+  v2: true
+  v3: true
+  v3_1: false
+  v3_2: false
+featuredArticles:
+  - title: 'How to generate OpenAPI with Elysia'
+    url: https://www.speakeasy.com/openapi/frameworks/elysia
+    date: 2026-06-01
+---