Fern

Name: Fern
Author: Fern

buildwithfern.comInfrastructure

Fern is a developer infrastructure tool that generates SDKs in multiple languages, interactive API documentation, and agent-first CLIs from OpenAPI specifications. It streamlines API integration and developer onboarding for engineering teams.

Freemium

WebCLICloud-managed

Visit buildwithfern.com

Overview

5 features

SDK generation
API documentation
CLI tool
OpenAPI support
Multi-language output

Built with & integrations

Framework: nextjs
Hosting: vercelaws
Connectors: API
Runs on: BrowserCLICloud-managed

Trust & compliance

LicenseProprietary

Verified signals

HTTPS Free tier

Recent events

Latest indexed changes and source events

IndexedJun 28, 12:25 PM
buildwithfern.com discovered by the PulseGate indexer
Source: PulseGate indexerOpen ↗

At a glance

Platforms: Api · Cli · Web
Languages: English
First seen: Mar 12, 2023
Activity: 🟢 Active
Status: 🟢 Active
Built for: API developers
Model: B2B
Solves: Automating the creation of SDKs, API documentation, and CLIs for developers using OpenAPI specifications.

Developer

Fern

PulseGate index

Confidence: High · 95
Indexed: Jun 28, 2026
Lifecycle: Alive
Activity: Active
First seen: Mar 2023
Last seen: 2w ago
Freshness: Unknown

Identity audit (9)

Entity ID: cmqxrj8x2052wjcd7wj3gup1p
Slug: fern-docs-sdks-and-clis-for-your-api-buildwithfern-com
Verification state: Indexed for public listing
Claim / listing state: Unclaimed · listed: yes
Index status: Included in index
Latest evidence snapshot: Jun 28, 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Last updated: Jun 30, 2026
Canonical URL: https://buildwithfern.com/

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