Read 11 Fern reviews and testimonials from customers, explore 5 case studies and customer success stories, and watch customer videos to see why companies chose Fern as their undefined

Fern is an open-source platform for generating software development kits (SDKs) and application programming interface (API) documentation. Developer-focused companies like Square, Webflow, Intercom, and more use Fern to streamline their development process, typically starting by uploading an API specification (OpenAPI, AsyncAPI, OpenRPC, and more.

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Customer Rating Review Scorebased on 74 reference ratings
4.7/5.0 (74)

11Testimonials

  • "The Fern Definition is absolutely fantastic. Compared to OpenAPI, it's more ergonomic and comes with powerful capabilities - you can organize endpoints by resource, import types across files, and represent complex APIs like server sent events and websockets."

    Kabir GoelFounding Engineer
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5 Case Studies

  • From handwritten to generated Cohere's SDK journey

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Read Fern Reviews, Testimonials & Customer References from 11 real Fern customers.

Browse Fern Case Studies, Customer Success Stories, & Customer References from 5 businesses that use Fern.

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