Skip to content
@fern-api

fern

Instant Docs and SDKs for your API
README.md

Fern SDK and Documentation Platform

Fern helps you deliver an exceptional developer experience with two powerful, fully integrated products:

SDKs

Generate production-ready SDKs that feel hand-written. Fern respects the idioms and conventions of each language. Supported today: TypeScript, Python, Go, Java, Ruby, C#, PHP, Swift, and Rust.

Docs

Publish beautiful, interactive API docs that developers enjoy using. Highlights include: docs-as-code, CI/CD pipeline to update API reference, RBAC for multiple audiences, and auto-populating API credentials.

Fern Docs work with OpenAPI (HTTP), AsyncAPI (WebSocket), and gRPC (Protobuf). Deployed on our cloud-hosted or self-hosted offerings.

Join the companies — like Square, ElevenLabs, and Adobe - that have chosen Fern as their preferred solution for SDK generation and API documentation.

Pinned Loading

  1. fern fern Public

    Input OpenAPI. Output SDKs and Docs.

    TypeScript 3.5k 288

  2. docs-starter docs-starter Public template

    Publish beautiful documentation from OpenAPI and markdown (MDX)

    MDX 36 15

  3. docs docs Public

    The documentation for Fern (kind of meta, eh?)

    MDX 5 8

  4. fern-mcp-server fern-mcp-server Public

    Model Context Protocol (MCP) server for the Fern API.

    TypeScript 3 2

Repositories

Showing 10 of 46 repositories
  • fern Public

    Input OpenAPI. Output SDKs and Docs.

    fern-api/fern’s past year of commit activity
    TypeScript 3,538 Apache-2.0 288 263 165 Updated Mar 11, 2026
  • docs Public

    The documentation for Fern (kind of meta, eh?)

    fern-api/docs’s past year of commit activity
    MDX 5 Apache-2.0 8 0 21 Updated Mar 11, 2026
  • docs-templates Public
    fern-api/docs-templates’s past year of commit activity
    MDX 0 0 0 0 Updated Mar 10, 2026
  • docs-starter Public template

    Publish beautiful documentation from OpenAPI and markdown (MDX)

    fern-api/docs-starter’s past year of commit activity
    MDX 36 15 0 7 Updated Mar 10, 2026
  • generator-exec-go Public

    A Go library for progress updates between the Go generator and Fern's remote generation server.

    fern-api/generator-exec-go’s past year of commit activity
    Go 0 MIT 0 0 0 Updated Mar 10, 2026
  • file-path-opener Public

    Open MD/MDX files from YAML paths and src attributes

    fern-api/file-path-opener’s past year of commit activity
    JavaScript 1 MIT 0 4 1 Updated Mar 10, 2026
  • migration-checker Public

    Automated analysis tool for comparing old and new documentation sites during migration.

    fern-api/migration-checker’s past year of commit activity
    JavaScript 0 MIT 0 0 0 Updated Mar 9, 2026
  • setup-fern-cli Public

    A GitHub Action that installs the Fern CLI into a workflow using npm.

    fern-api/setup-fern-cli’s past year of commit activity
    2 0 0 1 Updated Mar 9, 2026
  • fastapi-starter Public

    A starter repo for FastAPI + React, using Fern

    fern-api/fastapi-starter’s past year of commit activity
    JavaScript 18 15 1 5 Updated Mar 4, 2026
  • ir-go Public
    fern-api/ir-go’s past year of commit activity
    Go 1 0 0 0 Updated Mar 4, 2026
View all repositories

Top languages

Loading…

Most used topics

Loading…