Get your API into the hands of more developers 5x faster. The
Fern SDK Generator takes your OpenAPI Specification and turns it into a typesafe API client in developers' preferred language(s).
β
6 languages supported: TypeScript, Python, Java, Go, Ruby, C# (Rust, PHP, Swift coming soon)
β
Hosts a docs website with your API Reference (like Cohere's)
β
Automatically publishes SDKs to registries like NPM and PyPI
β
Fully featured with pagination, auto-retries with backoff, OAuth token refresh, Webhook verification, and more
β
Integrates into your CI/CD
β
Proudly built open source (2.6k GitHub stars)
πͺ Get a walkthrough from a product expert or join the Slack Community