API Reference

Introduction

Welcome to the Fern API reference.
Pro Feature

This feature is only available on paid plans. Please schedule a demo or email us to get started.

The Fern AI API allows you to manage your Ask Fern configuration using Fern’s public RESTful API. You can use the API to:

  • Build your own support integrations that leverage Ask Fern’s AI-powered search
  • Add custom context and FAQs to your documentation
  • Source usage and analytics data from your Ask Fern instances

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.