OpenAPI Generator
Community-driven code generation for 50+ languages from OpenAPI
About
The most widely adopted open-source code generator forked from Swagger Codegen. Given an OpenAPI spec, generates API client SDKs, server stubs, and documentation for 50+ languages and frameworks. 26k+ GitHub stars, 600k weekly NPM downloads, and 30M Docker pulls.
Choose OpenAPI Generator when…
- •You want free, flexible OpenAPI SDK generation
- •You need generators for many languages
- •You're comfortable with OSS tooling and custom templates
Builder Slot
Spec writing, API design, architecture diagrams, and contract-first tooling — the upstream layer before code is written
Other tools in this slot:
Integrates with (1)
OpenAPI Generator reads Swagger/OpenAPI specs and generates client SDKs and server stubs across 50+ languages.
→ Broad language coverage from one spec — generate clients for any consumer language without maintaining them manually.
Alternatives to consider (3)
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