Fern

Now, docs reviewers don’t need a new preview link for every commit. Our new GitHub Action comments on your PR with: • A fixed, named preview link • Links to every changed page Learn more: link.buildwithfern.com/preview-action

Our only technical writer ships 20,000 new lines of docs a month. Here's how she actually uses AI (@AnthropicAI @cognition @NotionHQ) to do it — and what it still can't do on its own. link.buildwithfern.com/writer

Great docs should feel effortless. That means the small stuff matters—smooth arrows, no flickering icons, dialogs that ease open. Frontend engineer Sarah breaks down six small UI improvements she shipped to Fern Docs and why they're worth getting right: buildwithfern.com/post/ui-fixes

Here's what Elijah Skeirik, Technical Writer at Payabli, had to say about it: “Getting set up with the Rust SDK was genuinely a breath of fresh air. I ran like three commands, and then I could use our API with all of the thoughtful additions that Fern adds into their generated SDKs.”

𝗜𝗻𝘁𝗿𝗼𝗱𝘂𝗰𝗶𝗻𝗴 𝗙𝗲𝗿𝗻'𝘀 𝗥𝘂𝘀𝘁 𝗦𝗗𝗞 𝗴𝗲𝗻𝗲𝗿𝗮𝘁𝗼𝗿 🦀 Generate a type-safe Rust SDK from your API spec — with async/await, streaming, and idiomatic error handling. Built for performance-critical applications. Includes wire tests to verify correctness and one-command publishing to crates.io. Read more: buildwithfern.com/post/rust-sdk-… Built by Naman Anand

Overlays are an official OpenAPI standard that customizes a spec without modifying the original file. Add extensions, rename parameters, or use different configs for SDKs vs Docs — all while keeping your source spec clean. OpenAPI + Overlays = (𝘣𝘦𝘵𝘵𝘦𝘳) OpenAPI

𝗡𝗼𝘄 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗶𝗻𝗴 @OpenApiSpec 𝗼𝘃𝗲𝗿𝗹𝗮𝘆𝘀 Learn more: buildwithfern.com/learn/api-defi… Built by Thomas Baker

Making our docs even more AI-friendly

You can now assign roles to control what each team member can do in Fern: • Viewer – Read-only access in the dashboard. • Editor – Create and edit content in the Fern Editor. 𝘖𝘱𝘵𝘪𝘰𝘯𝘢𝘭: 𝘢𝘭𝘭𝘰𝘸 𝘊𝘓𝘐 𝘢𝘤𝘤𝘦𝘴𝘴 𝘧𝘰𝘳 𝘱𝘶𝘣𝘭𝘪𝘴𝘩𝘪𝘯𝘨 𝘚𝘋𝘒𝘴 𝘢𝘯𝘥 𝘋𝘰𝘤𝘴. • Admin – Full control of the organization, including publishing, member management, and billing. Built by Alec Harmon: linkedin.com/in/alecharmon/

𝗡𝗲𝘄: 𝗥𝗼𝗹𝗲-𝗯𝗮𝘀𝗲𝗱 𝗽𝗲𝗿𝗺𝗶𝘀𝘀𝗶𝗼𝗻𝘀 𝗶𝗻 𝗙𝗲𝗿𝗻 #permissions-by-role" target="_blank" rel="nofollow noopener">buildwithfern.com/learn/dashboar…

𝗡𝗲𝘄: 𝗔𝗜-𝗴𝗲𝗻𝗲𝗿𝗮𝘁𝗲𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 𝗶𝗻 𝘆𝗼𝘂𝗿 𝗔𝗣𝗜 𝗥𝗲𝗳𝗲𝗿𝗲𝗻𝗰𝗲 Fern generates realistic request and response examples for your API docs. Instead of generic placeholders, users now see believable examples that clarify how your API works. Read our docs: buildwithfern.com/learn/docs/ai-…

Before Fern: - Sandeep worked at Google Cloud and Stripe - Founded Mercoa, which became one of Fern’s very first customers after an counter at a YC offsite! In Nov, Sandeep joined Fern to improve one of his biggest issues with Fern, the Docs performance

Introducing Fernie Spotlights, a new series where Fern employees share their journeys to the team. 🌿 First up, @SandeepDinesh, buildwithfern.com/post/fernie-sa…

@postman_japan @Nasdaq 私たちは、近いうちに東京でお目にかかれるのを楽しみにしております。

POST /nasdaq/billboard HTTP/1.1 Status: 200 Hello, Times Square 私たちのチームへようこそ、@buildwithfern！そして、@Nasdaq、ありがとうございます。

@getpostman @Nasdaq GET /postman/news HTTP/1.1 Upgrade: websocket 101 Switching Protocols ← { "type": "event", "msg": "Fern acquired" } ← { "type": "event", "msg": "Onward & upward 🌿🚀" }

POST /nasdaq/billboard HTTP/1.1 Status: 200 Hello, Times Square Welcome to the team, @buildwithfern! And thank you, @Nasdaq.