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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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Bronze sponsor

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Visibility on the front page (https://openapi-generator.tech) in the "sponsors" section, visibility on the GitHub main project page, thank you tweet.

$100 USD / month

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+ 39
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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

$500 USD / month

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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

$1,000 USD / month

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+ 214

Top financial contributors

Organizations

1
Datadog

$5,500 USD since May 2020

2
Apideck

$5,400 USD since Jan 2021

3
Nedap NV

$5,000 USD since Feb 2023

4
NamSor

$4,200 USD since Apr 2019

5
Bump.sh

$3,200 USD since Nov 2022

6
Adyen NV (Netherlands)

$3,150 USD since Nov 2023

7
Merge

$3,000 USD since Apr 2022

8
FINBOURNE

$3,000 USD since Oct 2022

9
BlaBlaCar

$3,000 USD since Jan 2024

10
OneSignal

$2,700 USD since Mar 2022

Individuals

1
Elanjchezhiyan Thangamani

$3,900 USD since May 2022

2
Ravi Y

$2,300 USD since Aug 2023

3
Ken Ruf

$1,800 USD since Jan 2024

4
Route4Me Route Planner

$1,200 USD since Aug 2024

5
Incognito

$1,100 USD since Dec 2023

6
Deven Phillips

$1,050 USD since May 2020

7
Ivan McCann

$800 USD since Mar 2024

8
Paul Tindall

$540 USD since Jan 2021

9
Ken Shum

$500 USD since Jun 2023

10
Laura Goff

$400 USD since Apr 2025

OpenAPI Generator is all of us

Our contributors 224

Thank you for supporting OpenAPI Generator.

Datadog

Bronze sponsor

$5,500 USD

We’re really thankful to the awesome openapi-ge...

Apideck

Bronze sponsor

$5,400 USD

Nedap NV

$5,000 USD

NamSor

Bronze sponsor

$4,200 USD

openapi-generator is a fantastic time saver for...

Elanjchezhiya...

Bronze sponsor

$3,900 USD

Bump.sh

Bronze sponsor

$3,200 USD

Budget


Transparent and open finances.

Contribution #813449
Contribution #538012

Contributions to Java generators in Q2 2025

Category
Maintenance and Development
from Mattias Sehlstedt to OpenAPI Generator
-kr 1,430.00 SEK
$149.38 USD
Paid
$
Today’s balance

$70,737.44 USD

Total raised

$80,250.52 USD

Total disbursed

$9,513.08 USD

Estimated annual budget

$29,568.79 USD

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)