Getting Started


Docs cascade

With Fern, you can build beautiful developer documentation that matches your brand. Fern supports writing pages (written in markdown) and generating API Reference documentation (from OpenAPI files).

In this guide, we’ll show you how to get started with Fern in under 5 minutes.

Initialize your fern folder

All the configuration for your docs lives in the fern folder. Inside you’ll find a docs.yml file that contains all the settings for your documentation.

Update your docs

Host on a custom domain

Please reach out to the Fern team at to get your documentation hosted on a custom domain or subpath.