For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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  • Getting started
    • Overview
    • How it works
    • Quickstart
    • Project structure
    • Customer showcase
    • Changelog
  • Configuration
    • Overview
    • Site-level settings
    • Page-level settings
  • Writing content
    • Markdown basics
    • Rich media in Markdown
    • Fern Editor
    • Reusable snippets
  • AI features
    • Overview
    • Fern Writer
    • AI-generated examples
    • Markdown access
      • Overview
      • Customize LLM output
      • Agent directives
      • Analytics and integration
    • MCP server
    • API catalog discovery
  • Public API
    • GETJWT from Fern API key
    • GETAlgolia search credentials
    • GETCurrent user information
  • Fern Writer API
    • GETGet Fern Writer Install Link
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Changelog

April 14, 2026
April 14, 2026
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April 11, 2026

AI search model update

Ask Fern now uses Claude 4.6 Sonnet and Claude 4.5 Haiku.

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Link to API Reference sections with api: syntax

The api: link syntax now supports linking to the root of an API Reference section. Use api:apiName to create a link that resolves to the landing page of a specific API Reference at build time. This is useful when your project has multiple APIs.

Markdown
1Explore the [Plant Store API](api:plant-store) reference.
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