Freemium
Fern
Generate SDKs, API docs and a CLI from an OpenAPI spec
Design and SDKsSDKs and docs from your API
5 tools in our directory are marked as best for Developer relations, from 2 sections: Documentation (3) and APIs (2).

Generate SDKs, API docs and a CLI from an OpenAPI spec

Hosted docs platform with Git sync and content review

AI assistant that answers questions from docs and past tickets

Hosted API docs, typed SDKs and MCP servers from an OpenAPI file

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