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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  • CLI Reference
    • Get Started with Fern CLI
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API Reference

Introduction

Welcome to the Fern API reference.
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The Fern API allows you to manage SDKs and code snippets using Fern’s public RESTful API.

Authentication

Fern API requests require a bearer token for authentication. Use the CLI command fern token to generate a bearer token. Tokens do not expire.