# Scalar API Reference for Fastify [](https://www.npmjs.com/package/@scalar/fastify-api-reference) [](https://www.npmjs.com/package/@scalar/fastify-api-reference) [](https://www.npmjs.com/package/@scalar/fastify-api-reference) [](https://discord.gg/scalar) A Fastify plugin to render beautiful, interactive API documentation from OpenAPI/Swagger documents. --- Scalar is an open-source API platform for teams who want beautiful developer interfaces without vendor lock-in. - **[API References](https://scalar.com/products/api-references/getting-started)** — Interactive API documentation from OpenAPI and AsyncAPI specs. - **[Developer Docs](https://scalar.com/products/docs/getting-started)** — Write in Markdown/MDX, generate API references, sync with two-way Git. - **[SDK Generator](https://scalar.com/products/sdk-generator/getting-started)** — Type-safe SDKs and CLIs in TypeScript, Python, Go, PHP, Java, and Ruby. - **[API Client](https://scalar.com/products/api-client/getting-started)** — Open-source, offline-first Postman alternative built on OpenAPI. 20M+ monthly npm installs · 15,500+ GitHub stars · MIT licensed · [scalar.com](https://scalar.com) --- ## Documentation [Read the documentation here](https://scalar.com/products/api-references/integrations/fastify) ## Changelog See [CHANGELOG.md](https://github.com/scalar/scalar/blob/main/integrations/fastify/CHANGELOG.md) for a list of changes. ## Community We are API nerds. You too? Let’s chat on Discord: ## License The source code in this repository is licensed under [MIT](https://github.com/scalar/scalar/blob/main/LICENSE).