Fern
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Overview
Tagline Brand's website · 2026-10-04
Built for the AI era with agent-friendly documentation, AI search, and AI-assisted authoring. Generates docs, SDKs, and CLI from one source of truth supporting multiple API protocols (REST, WebSockets, GraphQL, OpenAPI, AsyncAPI, gRPC). Offers enterprise-grade security, multi-source docs, self-hosting, and localization.
Description Brand's website · 2026-10-04
Fern provides a platform for upgrading developer and agent experience by generating API documentation, SDKs, and CLIs from a single source of truth. It integrates AI capabilities for enhanced search, content creation, and agent interaction.
Offerings
Core capabilities Brand's website · 2026-10-04
- API Documentation (Docs)
- SDKs
- CLI
- AI-powered chat in docs (Ask Fern)
- llms.txt generation
- MCP server
- AI-assisted authoring (Fern Writer)
- Postman collection generation
Pricing Brand's website · 2026-10-04
Freemium/Subscription, Enterprise
Audience
Target industry Brand's website · 2026-10-04
API providers, development teams, enterprises, companies looking to improve developer experience and integrate AI into their API consumption workflows.
Landscape
Competitors Brand's website · 2026-10-04
- ReadMe
- Mintlify
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Claim Fern — free →Page last updated 2026-10-17.