
OpenAPI Generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

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Visibility on the front page (https://openapi-generator.tech) in the "sponsors" section, visibility on the GitHub main project page, 1 "bug bounty"... Read more
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Visibility on the front page (https://openapi-generator.tech) in the "sponsors" section, visibility on the GitHub main project page, 3 "bug bounty"... Read more
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OpenAPI Generator is all of us
Our contributors 224
Thank you for supporting OpenAPI Generator.
OpenAPI Gener...
Jim Schubert
Akihito Nakano
Jérémie Bresson
William Cheng
Christophe Bo...
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Bronze sponsor
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Budget
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Contributions to Java generators in Q2 2025
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About
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (both 2.0 and 3.0 are supported). Currently, the following languages/frameworks are supported:
| | Languages/Frameworks | |-|-| API clients | ActionScript, Ada, Apex, Bash, C, C# (.net 2.0, 3.5 or later), C++ (cpprest, Qt5, Tizen), Clojure, Dart (1.x, 2.x), Elixir, Elm, Eiffel, Erlang, Go, Groovy, Haskell (http-client, Servant), Java (Jersey1.x, Jersey2.x, OkHttp, Retrofit1.x, Retrofit2.x, Feign, RestTemplate, RESTEasy, Vertx, Google API Client Library for Java, Rest-assured, Spring 5 Web Client), Kotlin, Lua, Node.js (ES5, ES6, AngularJS with Google Closure Compiler annotations, Flow types) Objective-C, Perl, PHP, PowerShell, Python, R, Ruby, Rust (rust, rust-server), Scala (akka, http4s, scalaz, swagger-async-httpclient), Swift (2.x, 3.x, 4.x), Typescript (AngularJS, Angular (2.x - 7.x), Aurelia, Axios, Fetch, Inversify, jQuery, Node, Rxjs) Server stubs | Ada, C# (ASP.NET Core, NancyFx), C++ (Pistache, Restbed), Erlang, Go (net/http, Gin), Haskell (Servant), Java (MSF4J, Spring, Undertow, JAX-RS: CDI, CXF, Inflector, RestEasy, Play Framework, PKMST), Kotlin (Spring Boot, Ktor), PHP (Laravel, Lumen, Slim, Silex, Symfony, Zend Expressive), Python (Flask), NodeJS, Ruby (Sinatra, Rails5), Rust (rust-server), Scala (Finch, Lagom, Play, Scalatra) API documentation generators | HTML, Confluence Wiki Configuration files | Apache2 Others | GraphQL, JMeter, MySQL Schema
Note: Both "OpenAPI Tools" (https://OpenAPITools.org - the parent organization of OpenAPI Generator) and "OpenAPI Generator" are not affiliated with OpenAPI Initiative (OAI)
Our team
OpenAPI Gener...
Jim Schubert
Akihito Nakano
Jérémie Bresson
William Cheng
Christophe Bo...