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