Fern

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

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.

Show more
  • 11 Testimonials View
  • 5 Case Studies View
  • No
    Videos Yet     Customer Videos
Customer Rating Review Score based on 332 reference ratings
4.7/5.0 (332)

11Testimonials

  • "We used an alternative SDK generator, OpenAPI Generator, for years, and customers constantly complained. Since adopting Fern, customers have migrated rapidly to our new SDKs and have been blown away …

    Gil Feig Chief Technology Officer

  • "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 …

    Kabir Goel Founding Engineer

  • "The Fern team helped us offer a top-tier developer experience. They embedded with our docs team, migrated over 700+ pages of content, and created an intuitive information architecture across API …

    Matt Makai Vice President of Developer Experience
10 more testimonials currently locked

5 Case Studies

  • The first autogenerated SDK with gRPC and REST

    Bear Douglas Director of Developer Relations

  • How Merge uses Fern to ship SDKs

    Gil Feig Chief Technology Officer

  • How Candid sped up API development by 50% by going schema first

4 more case studies currently locked

Additional Fern Information & Resources

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.

FeaturedCustomers has 1,924,576+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.