If you’re an API developer working with Node.js, then you’re probably familiar with Express. But have you tried out the Fastify framework to build APIs?

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Learn how to build well-documented and authenticated APIs in Node.js with Fastify. Use Fastify's plugin architecture and JSON web tokens (JWT) for authentication. Deploy your API to Heroku for easy and fast deployment.

Build Well-Documented and Authenticated APIs in Node.js with Fastify

Use OpenAPI and Swagger UI for Documentation

Import OpenAPI Specification into Postman