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Fern: SDKs and Docs for your API
Fern generates idiomatic SDKs (TypeScript, Python, Go, Java, Ruby, C#, PHP) and branded API docs from your OpenAPI spec. SDKs are language-native with OAuth, pagination, SSE, retries, and CI/CD publishing built in. Used by Cohere, Vapi, ElevenLabs. Recently joined Postman.
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