Plants Plans that grow with you
Automate SDK maintenance so your engineers can spend time on higher-value projects.
Developer docs customized to match your brand.
FAQs
Common questions related to security, trust, and compliance.
We support 7 languages: TypeScript, Python, Go, Java (Kotlin), PHP, Ruby. Swift and Rust are on our roadmap next.
Yes, you can extend the generated SDKs with custom code and dependencies.
AI companies require specific features like Websockets and SSE so most AI companies subscribe to a Pro or Enterprise plan.
Fern provides complete migration support for your existing SDKs as part of our Enterprise plan. It will be written into your contract.
Yes, you can provide multiple OpenAPI specs and Fern will automatically combine common namespace and generate one combined SDK.
On the Basic and Pro plans, you are responsible for monitoring and managing community contributions. With our Enterprise plan, Fern takes care of reviewing all community contributions and ensuring updates are merged in.
Security reviews are offered with our Enterprise plan.
Custom MSAs are offered with our Enterprise plan.
Our compliance certifications can be found here.
The entire team is based in Williamsburg, New York.
We're raised $12M+ from Bessemer, YC, and top-tier investors.
Get started today
Our team partners with you to perfect your OpenAPI spec and launch SDKs that scale to millions of downloads.
FAQs
Common questions related to security, trust, and compliance.
No, Fern provides customers with the ability to offer customized Docs including cookbooks, guides, an API explorer, and more.
Fern is completely customizable. We offer a robust brand template that can edited. In addition, customers can add custom JS, CSS, and React components.
Security reviews are offered with our Enterprise plan.
Custom MSAs are offered with our Enterprise plan.
Our compliance certifications can be found here.
The entire team is based in Williamsburg, New York.
We're raised $12M+ from Bessemer, YC, and top-tier investors.
Get started today
Our team partners with you to perfect your OpenAPI spec and launch SDKs that scale to millions of downloads.