OpenAPI Generator

Sponsors

If you find OpenAPI Generator useful for work, please consider asking your company to support this Open Source project by becoming a sponsor. You can also individually sponsor the project by becoming a backer.

Thank you to our bronze sponsors!

Thank you GoDaddy for sponsoring the domain names, Linode for sponsoring the VPS, Checkly for sponsoring the API monitoring and Gradle for sponsoring Develocity

Overview

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:

Table of contents

• OpenAPI Generator
• Overview
• Table of Contents
• 1 - Installation
  • 1.1 - Compatibility
  • 1.2 - Artifacts on Maven Central
  • 1.3 - Download JAR
  • 1.4 - Build Projects
  • 1.5 - Homebrew
  • 1.6 - Docker
  • 1.7 - NPM
• 2 - Getting Started
• 3 - Usage
  • 3.1 - Customization
  • 3.2 - Workflow Integration
  • 3.3 - Online Generators
  • 3.4 - License Information on Generated Code
  • 3.5 - IDE Integration
• 4 - Companies/Projects using OpenAPI Generator
• 5 - Presentations/Videos/Tutorials/Books
• 6 - About Us
  • 6.1 - OpenAPI Generator Core Team
  • 6.2 - OpenAPI Generator Technical Committee
  • 6.3 - History of OpenAPI Generator
• 7 - License

1 - Installation

1.1 - Compatibility

The OpenAPI Specification has undergone 3 revisions since initial creation in 2010. The openapi-generator project has the following compatibilities with the OpenAPI Specification:

OpenAPI Spec compatibility: 1.0, 1.1, 1.2, 2.0, 3.0, 3.1 (beta support)

(We do not publish daily/nightly build. Please use SNAPSHOT instead)

For old releases, please refer to the Release page.

For decomissioned generators/libraries/frameworks, please refer to the "Decommission" label in the pull request page.

1.2 - Artifacts on Maven Central

You can find our released artifacts on maven central:

Core:

<dependency>
    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator</artifactId>
    <version>${openapi-generator-version}</version>
</dependency>

See the different versions of the openapi-generator artifact available on maven central.

Cli:

<dependency>
    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator-cli</artifactId>
    <version>${openapi-generator-version}</version>
</dependency>

See the different versions of the openapi-generator-cli artifact available on maven central.

Maven plugin:

<dependency>
    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator-maven-plugin</artifactId>
    <version>${openapi-generator-version}</version>
</dependency>

• See the different versions of the openapi-generator-maven-plugin artifact available on maven central.
• Readme

Gradle plugin:

<dependency>
    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator-gradle-plugin</artifactId>
    <version>${openapi-generator-version}</version>
</dependency>

• See the different versions of the openapi-generator-gradle-plugin artifact available on maven central.
• Readme

1.3 - Download JAR

If you're looking for the latest stable version, you can grab it directly from Maven.org (Java 11 runtime at a minimum):

JAR location: https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/7.8.0/openapi-generator-cli-7.8.0.jar

For Mac/Linux users:

wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/7.8.0/openapi-generator-cli-7.8.0.jar -O openapi-generator-cli.jar

For Windows users, you will need to install wget or you can use Invoke-WebRequest in PowerShell (3.0+), e.g.

Invoke-WebRequest -OutFile openapi-generator-cli.jar https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/7.8.0/openapi-generator-cli-7.8.0.jar

After downloading the JAR, run java -jar openapi-generator-cli.jar help to show the usage.

For Mac users, please make sure Java 11 is installed (Tips: run java -version to check the version), and export JAVA_HOME in order to use the supported Java version:

export JAVA_HOME=`/usr/libexec/java_home -v 1.11`
export PATH=${JAVA_HOME}/bin:$PATH

Launcher Script

One downside to manual jar downloads is that you don't keep up-to-date with the latest released version. We have a Bash launcher script at bin/utils/openapi-generator.cli.sh which resolves this issue.

To install the launcher script, copy the contents of the script to a location on your path and make the script executable.

An example of setting this up (NOTE: Always evaluate scripts curled from external systems before executing them).

mkdir -p ~/bin/openapitools
curl https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/bin/utils/openapi-generator-cli.sh > ~/bin/openapitools/openapi-generator-cli
chmod u+x ~/bin/openapitools/openapi-generator-cli
export PATH=$PATH:~/bin/openapitools/

Now, openapi-generator-cli is "installed". On invocation, it will query the GitHub repository for the most recently released version. If this matches the last downloaded jar, it will execute as normal. If a newer version is found, the script will download the latest release and execute it.

If you need to invoke an older version of the generator, you can define the variable OPENAPI_GENERATOR_VERSION either ad hoc or globally. You can export this variable if you'd like to persist a specific release version.

Examples:

# Execute latest released openapi-generator-cli
openapi-generator-cli version

# Execute version 4.1.0 for the current invocation, regardless of the latest released version
OPENAPI_GENERATOR_VERSION=4.1.0 openapi-generator-cli version

# Execute version 4.1.0-SNAPSHOT for the current invocation
OPENAPI_GENERATOR_VERSION=4.1.0-SNAPSHOT openapi-generator-cli version

# Execute version 4.0.2 for every invocation in the current shell session
export OPENAPI_GENERATOR_VERSION=4.0.2
openapi-generator-cli version # is 4.0.2
openapi-generator-cli version # is also 4.0.2

# To "install" a specific version, set the variable in .bashrc/.bash_profile
echo "export OPENAPI_GENERATOR_VERSION=4.0.2" >> ~/.bashrc
source ~/.bashrc
openapi-generator-cli version # is always 4.0.2, unless any of the above overrides are done ad hoc

1.4 - Build Projects

To build from source, you need the following installed and available in your $PATH:

• Java 11

• Apache Maven 3.8.8 or greater (optional)

After cloning the project, you can build it from source using maven wrapper:

• Linux: ./mvnw clean install
• Windows: mvnw.cmd clean install

Nix users

If you're a nix user, you can enter OpenAPI Generator shell, by typing:

nix develop

It will enter a shell with Java 11 installed.

Direnv supports automatically loading of the nix developer shell, so if you're using direnv too, type:

direnv allow

and have java and mvn set up with correct versions each time you enter project directory.

The default build contains minimal static analysis (via CheckStyle). To run your build with PMD and Spotbugs, use the static-analysis profile:

• Linux: ./mvnw -Pstatic-analysis clean install
• Windows: mvnw.cmd -Pstatic-analysis clean install

1.5 - Homebrew

To install, run brew install openapi-generator

Here is an example usage to generate a Ruby client:

openapi-generator generate -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml -g ruby -o /tmp/test/

To reinstall with the latest master, run brew uninstall openapi-generator && brew install --HEAD openapi-generator

To install OpenJDK (pre-requisites), please run

brew tap AdoptOpenJDK/openjdk
brew install --cask adoptopenjdk11
export JAVA_HOME=`/usr/libexec/java_home -v 1.11`

or download installer via https://adoptium.net/

To install Maven (optional), please run

brew install maven

1.6 - Docker

Public Pre-built Docker images

• https://hub.docker.com/r/openapitools/openapi-generator-cli/ (official CLI)
• https://hub.docker.com/r/openapitools/openapi-generator-online/ (official web service)

OpenAPI Generator CLI Docker Image

The OpenAPI Generator image acts as a standalone executable. It can be used as an alternative to installing via homebrew, or for developers who are unable to install Java or upgrade the installed version.

To generate code with this image, you'll need to mount a local location as a volume.

Example:

docker run --rm -v "${PWD}:/local" openapitools/openapi-generator-cli generate \
    -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml \
    -g go \
    -o /local/out/go

The generated code will be located under ./out/go in the current directory.

OpenAPI Generator Online Docker Image

The openapi-generator-online image can act as a self-hosted web application and API for generating code. This container can be incorporated into a CI pipeline, and requires at least two HTTP requests and some docker orchestration to access generated code.

Example usage:

# Start container at port 8888 and save the container id
> CID=$(docker run -d -p 8888:8080 openapitools/openapi-generator-online)

# allow for startup
> sleep 10

# Get the IP of the running container (optional)
GEN_IP=$(docker inspect --format '{{.NetworkSettings.IPAddress}}'  $CID)

# Execute an HTTP request to generate a Ruby client
> curl -X POST --header 'Content-Type: application/json' --header 'Accept: application/json' \
-d '{"openAPIUrl": "https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml"}' \
'http://localhost:8888/api/gen/clients/ruby'

{"code":"c2d483.3.4672-40e9-91df-b9ffd18d22b8","link":"http://localhost:8888/api/gen/download/c2d483.3.4672-40e9-91df-b9ffd18d22b8"}

# Download the generated zip file
> wget http://localhost:8888/api/gen/download/c2d483.3.4672-40e9-91df-b9ffd18d22b8

# Unzip the file
> unzip c2d483.3.4672-40e9-91df-b9ffd18d22b8

# Shutdown the openapi generator image
> docker stop $CID && docker rm $CID

Development in docker

You can use run-in-docker.sh to do all development. This script maps your local repository to /gen in the docker container. It also maps ~/.m2/repository to the appropriate container location.

To execute mvn package:

git clone https://github.com/openapitools/openapi-generator
cd openapi-generator
./run-in-docker.sh mvn package

Build artifacts are now accessible in your working directory.

Once built, run-in-docker.sh will act as an executable for openapi-generator-cli. To generate code, you'll need to output to a directory under /gen (e.g. /gen/out). For example:

./run-in-docker.sh help # Executes 'help' command for openapi-generator-cli
./run-in-docker.sh list # Executes 'list' command for openapi-generator-cli
./run-in-docker.sh generate -i modules/openapi-generator/src/test/resources/3_0/petstore.yaml \
    -g go -o /gen/out/go-petstore -p packageName=petstore # generates go client, outputs locally to ./out/go-petstore

Troubleshooting

If an error like this occurs, just execute the ./mvnw clean install -U command:

org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test (default-test) on project openapi-generator: A type incompatibility occurred while executing org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test: java.lang.ExceptionInInitializerError cannot be cast to java.io.IOException

./run-in-docker.sh ./mvnw clean install -U

Failed to execute goal org.fortasoft:gradle-maven-plugin:1.0.8:invoke (default) on project openapi-generator-gradle-plugin-mvn-wrapper: org.gradle.tooling.BuildException: Could not execute build using Gradle distribution 'https://services.gradle.org/distributions/gradle-4.7-bin.zip'

Right now: no solution for this one :|

Run Docker in Vagrant

Prerequisite: install Vagrant and VirtualBox.

git clone https://github.com/openapitools/openapi-generator.git
cd openapi-generator
vagrant up
vagrant ssh
cd /vagrant
./run-in-docker.sh ./mvnw package

1.7 - NPM

There is also an NPM package wrapper available for different platforms (e.g. Linux, Mac, Windows). (JVM is still required) Please see the project's README there for more information.

Install it globally to get the CLI available on the command line:

npm install @openapitools/openapi-generator-cli -g
openapi-generator-cli version

To use a specific version of "openapi-generator-cli"

openapi-generator-cli version-manager set 7.8.0

Or install it as dev-dependency:

npm install @openapitools/openapi-generator-cli -D

You can use locally built JARs or SNAPSHOT versions as well.

2 - Getting Started

To generate a PHP client for petstore.yaml, please run the following

git clone https://github.com/openapitools/openapi-generator
cd openapi-generator
./mvnw clean package
java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar generate \
   -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml \
   -g php \
   -o /var/tmp/php_api_client

(if you're on Windows, replace the last command with java -jar modules\openapi-generator-cli\target\openapi-generator-cli.jar generate -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml -g php -o c:\temp\php_api_client)

You can also download the JAR (latest release) directly from maven.org

To get a list of general options available, please run java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar help generate

To get a list of PHP specified options (which can be passed to the generator with a config file via the -c option), please run java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar config-help -g php

3 - Usage

To generate a sample client library

You can build a client against the Petstore API as follows:

./bin/generate-samples.sh ./bin/configs/java-okhttp-gson.yaml

(On Windows, please install GIT Bash for Windows to run the command above)

This script uses the default library, which is okhttp-gson. It will run the generator with this command:

java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar generate \
  -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/3_0/petstore.yaml \
  -g java \
  -t modules/openapi-generator/src/main/resources/Java \
  --additional-properties artifactId=petstore-okhttp-gson,hideGenerationTimestamp=true \
  -o samples/client/petstore/java/okhttp-gson

with a number of options. The java options are documented here.

You can also get the options with the help generate command (below only shows partial results):

NAME
        openapi-generator-cli generate - Generate code with the specified
        generator.

SYNOPSIS
        openapi-generator-cli generate
                [(-a <authorization> | --auth <authorization>)]
                [--api-name-suffix <api name suffix>] [--api-package <api package>]
                [--artifact-id <artifact id>] [--artifact-version <artifact version>]
                [(-c <configuration file> | --config <configuration file>)] [--dry-run]
                [(-e <templating engine> | --engine <templating engine>)]
                [--enable-post-process-file]
                [(-g <generator name> | --generator-name <generator name>)]
                [--generate-alias-as-model] [--git-host <git host>]
                [--git-repo-id <git repo id>] [--git-user-id <git user id>]
                [--global-property <global properties>...] [--group-id <group id>]
                [--http-user-agent <http user agent>]
                [(-i <spec file> | --input-spec <spec file>)]
                [--ignore-file-override <ignore file override location>]
                [--import-mappings <import mappings>...]
                [--instantiation-types <instantiation types>...]
                [--invoker-package <invoker package>]
                [--language-specific-primitives <language specific primitives>...]
                [--legacy-discriminator-behavior] [--library <library>]
                [--log-to-stderr] [--minimal-update]
                [--model-name-prefix <model name prefix>]
                [--model-name-suffix <model name suffix>]
                [--model-package <model package>]
                [(-o <output directory> | --output <output directory>)] [(-p <additional properties> | --additional-properties <additional properties>)...]
                [--package-name <package name>] [--release-note <release note>]
                [--remove-operation-id-prefix]
                [--reserved-words-mappings <reserved word mappings>...]
                [(-s | --skip-overwrite)] [--server-variables <server variables>...]
                [--skip-validate-spec] [--strict-spec <true/false strict behavior>]
                [(-t <template directory> | --template-dir <template directory>)]
                [--type-mappings <type mappings>...] [(-v | --verbose)]

OPTIONS
        -a <authorization>, --auth <authorization>
            adds authorization headers when fetching the OpenAPI definitions
            remotely. Pass in a URL-encoded string of name:header with a comma
            separating multiple values

...... (results omitted)

        -v, --verbose
            verbose mode

You can then compile and run the client, as well as unit tests against it:

cd samples/client/petstore/java/okhttp-gson
mvn package

Other generators have samples too.

3.1 - Customization

Please refer to customization.md on how to customize the output (e.g. package name, version)

3.2 - Workflow Integration (Maven, Gradle, Github, CI/CD)

Please refer to integration.md on how to integrate OpenAPI generator with Maven, Gradle, sbt, Bazel, Github and CI/CD.

3.3 - Online OpenAPI generator

Here are the public online services:

• latest stable version: https://api.openapi-generator.tech
• latest master: https://api-latest-master.openapi-generator.tech (updated with latest master every hour)

The server is sponsored by Linode

(These services are beta and do not have any guarantee on service level)

Please refer to online.md on how to run and use the openapi-generator-online - a web service for openapi-generator.

3.4 - License information on Generated Code

The OpenAPI Generator project is intended as a benefit for users of the Open API Specification. The project itself has the License as specified. In addition, please understand the following points:

• The templates included with this project are subject to the License.
• Generated code is intentionally not subject to the parent project license

When code is generated from this project, it shall be considered AS IS and owned by the user of the software. There are no warranties--expressed or implied--for generated code. You can do what you wish with it, and once generated, the code is your responsibility and subject to the licensing terms that you deem appropriate.

3.5 - IDE Integration

Here is a list of community-contributed IDE plug-ins that integrate with OpenAPI Generator:

• Eclipse: Codewind OpenAPI Tools for Eclipse by IBM
• IntelliJ IDEA: OpenAPI Generator by Jim Schubert
• IntelliJ IDEA: Senya Editor by senya.io
• RepreZen API Studio
• Visual Studio: REST API Client Code Generator by Christian Resma Helle
• Visual Studio Code: Codewind OpenAPI Tools by IBM

4 - Companies/Projects using OpenAPI Generator

Here are some companies/projects (alphabetical order) using OpenAPI Generator in production. To add your company/project to the list, please visit README.md and click on the icon to edit the page.

• Aalborg University
• act coding
• Adaptant Solutions AG
• adesso SE
• Adyen
• Agoda
• Airthings
• Aleri Solutions Gmbh
• Allianz
• Angular.Schule
• Aqovia
• Australia and New Zealand Banking Group (ANZ)
• Arduino
• ASKUL
• Amazon Web Services (AWS)
• b<>com
• 百度营销
• Bandwidth
• Banzai Cloud
• BIMData.io
• Bithost GmbH
• Bosch Connected Industry
• Boxever
• Brevy
• Bunker Holding Group
• California State University, Northridge
• CAM
• Camptocamp
• Carlsberg Group
• Christopher Queen Consulting
• Cisco
• codecentric AG
• CoinAPI
• Commencis
• ConfigCat
• cronn GmbH
• Crossover Health
• Cupix
• Datadog
• DB Systel
• Deeporute.ai
• Devsupply
• dmTECH GmbH
• DocSpring
• dwango
• Edge Impulse
• Element AI
• Embotics
• emineo
• fastly
• Fenergo
• freee
• FreshCells
• Fuse
• Gantner
• GenFlow
• GetYourGuide
• Glovo
• GMO Pepabo
• GoDaddy
• Gumtree
• Here
• IBM
• Instana
• Interxion
• Inquisico
• JustStar
• k6.io
• Klarna
• Kronsoft Development
• Kubernetes
• Landeshauptstadt München - it@M
• Linode
• Logicdrop
• Lumeris
• LVM Versicherungen
• MailSlurp
• Manticore Search
• Mastercard
• Médiavision
• Metaswitch
• MoonVision
• Myworkout
• NamSor
• Neverfail
• NeuerEnergy
• Nokia
• OneSignal
• Options Clearing Corporation (OCC)
• Openet
• openVALIDATION
• Oracle
• Paxos
• Plaid
• PLAID, Inc.
• Pinterest
• Ponicode
• Pricefx
• PrintNanny
• Prometheus/Alertmanager
• Qavar
• QEDIT
• Qovery
• Qulix Systems
• Raksul
• Raiffeisen Schweiz Genossenschaft
• RedHat
• RepreZen API Studio
• REST United
• Robocorp
• Robotinfra
• SearchApi
• SmartHR
• Sony Interactive Entertainment
• Splitit
• Stingray
• Suva
• Svix
• Telstra
• Tencent
• The University of Aizu
• Translucent ApS
• TravelTime platform
• TribalScale
• Trifork
• TUI InfoTec GmbH
• Twilio
• Twitter
• unblu inc.
• Veamly
• VMWare
• wbt-solutions
• Woleet
• WSO2
• Vouchery.io
• Xero
• Yahoo Japan
• viadee
• Vonage
• YITU Technology
• Yelp
• Zalando
• 3DS Outscale

5 - Presentations/Videos/Tutorials/Books

• 2018/05/12 - OpenAPI Generator - community drivenで成長するコードジェネレータ by 中野暁人
• 2018/05/15 - Starting a new open-source project by Jeremie Bresson
• 2018/05/15 - REST API仕様からAPIクライアントやスタブサーバを自動生成する「OpenAPI Generator」オープンソースで公開。Swagger Codegenからのフォーク by Publickey
• 2018/06/08 - Swagger Codegen is now OpenAPI Generator by JohannesHoppe
• 2018/06/21 - Connect your JHipster apps to the world of APIs with OpenAPI and gRPC by Christophe Bornet at JHipster Conf 2018
• 2018/06/22 - OpenAPI Generator で Gatling Client を生成してみた at ソモサン
• 2018/06/27 - Lessons Learned from Leading an Open-Source Project Supporting 30+ Programming Languages - William Cheng at LinuxCon + ContainerCon + CloudOpen China 2018
• 2018/07/19 - OpenAPI Generator Contribution Quickstart - RingCentral Go SDK by John Wang
• 2018/08/22 - OpenAPI Generatorのプロジェクト構成などのメモ by Yusuke Iinuma
• 2018/09/12 - RepreZen and OpenAPI 3.0: Now is the Time by Miles Daffin
• 2018/10/31 - A node package wrapper for openapi-generator
• 2018/11/03 - OpenAPI Generator + golang + Flutter でアプリ開発 by Ryuichi Daigo
• 2018/11/15 - 基于openapi3.0的yaml文件生成java代码的一次实践 by 焱魔王
• 2018/11/18 - Generating PHP library code from OpenAPI by Lorna Jane at LORNAJANE Blog
• 2018/11/19 - OpenAPIs are everywhere by Jeremie Bresson (Unblu) at EclipseCon Europe 2018
• 2018/12/09 - openapi-generator をカスタマイズする方法 by @watiko
• 2019/01/03 - Calling a Swagger service from Apex using openapi-generator by Mikkel Flindt Heisterberg
• 2019/01/13 - OpenAPI GeneratorでRESTful APIの定義書から色々自動生成する by @ky_yk_d
• 2019/01/20 - Contract-First API Development with OpenAPI Generator and Connexion by Anil Can Aydin
• 2019/01/30 - Rapid Application Development With API First Approach Using Open-API Generator by Milan Sonkar
• 2019/02/02 - 平静を保ち、コードを生成せよ 〜 OpenAPI Generator誕生の背景と軌跡 〜 by 中野暁人 at Gunma.web #34 スキーマ駆動開発
• 2019/02/20 - An adventure in OpenAPI V3 code generation by Phil Cluff
• 2019/02/26 - Building API Services: A Beginner’s Guide by Ratros Y. in Google Cloud Platform Blog
• 2019/02/26 - Building APIs with OpenAPI: Continued by Ratros Y. in Google Cloud Platform Blog
• 2019-03-07 - OpenAPI Generator で Spring Boot と Angular をタイプセーフに繋ぐ by Tomofumi Chiba
• 2019-03-16 - A Quick introduction to manual OpenAPI V3 by vados at VADOSWARE
• 2019-03-25 - Access any REST service with the SAP S/4HANA Cloud SDK by Alexander Duemont
• 2019-03-25 - OpenAPI generatorを試してみる by @amuyikam
• 2019-03-27 - OpenAPI3を使ってみよう！Go言語でクライアントとスタブの自動生成まで！ by @gold_kou
• 2019-04-17 - OpenAPIによるスキーマファースト開発の実施サンプルとCloud Runについて by @yukey1031
• 2019-04-18 - How to use OpenAPI3 for API developer (RubyKaigi 2019) by @ota42y at RubyKaigi 2019
• 2019-04-29 - A Beginner's Guide to Code Generation for REST APIs (OpenAPI Generator) by William Cheng
• 2019-05-01 - Design and generate a REST API from Swagger / OpenAPI in Java, Python, C# and more by Simply How
• 2019-05-17 - Generate Spring Boot REST API using Swagger/OpenAPI by Antonie Zafirov
• 2019-05-22 - REST APIs代码生成指南(OpenAPI Generator) by William Cheng, Xin Meng
• 2019-05-24 - REST API 代碼生成指南 (OpenAPI Generator) by William Cheng
• 2019-06-24 - Kubernetes Clients and OpenAPI Generator by William Cheng at Kubernetes Contributor Summits Shanghai 2019
• 2019-06-28 Codewind OpenAPI Tools in Eclipse Marketplace by IBM
• 2019-06-29 Codewind OpenAPI Tools in Visual Studio Marketplace by IBM
• 2019-07-04 - REST API のためのコード生成入門 (OpenAPI Generator) by William Cheng, 中野暁人, 和田拓朗
• 2019-07-08 - OpenAPI Generator にコントリビュートしたら社名が載った話。(CAM) - CAM TECH BLOG by CAM, Inc.
• 2019-07-14 - OpenAPI GeneratorでPythonのクライアントライブラリを作成した by yuji38kwmt
• 2019-07-19 - Developer Experience (DX) for Open-Source Projects: How to Engage Developers and Build a Growing Developer Community by William Cheng, 中野暁人 at Open Source Summit Japan 2019
• 2019-08-14 - Our OpenAPI journey with Standardizing SDKs by Sebastian Burgstaller at Bitmovin
• 2019-08-15 - APIのコードを自動生成させたいだけならgRPCでなくてもよくない? by M3, Inc.
• 2019-08-22 - マイクロサービスにおけるWeb APIスキーマの管理─ GraphQL、gRPC、OpenAPIの特徴と使いどころ by @ota42y
• 2019-08-24 - SwaggerドキュメントからOpenAPI Generatorを使ってモックサーバー作成 by 坂本正義
• 2019-08-29 - OpenAPI初探 by peakxie at 腾讯云社区
• 2019-08-29 - 全面进化：Kubernetes CRD 1.16 GA前瞻 by Min Kim at ServiceMesher Blog
• 2019-09-01 - Creating a PHP-Slim server using OpenAPI (Youtube video) by Daniel Persson
• 2019-09-06 - Vert.x and OpenAPI by Stephan H Wissel at wissel.net blog
• 2019-09-09 - Cloud-native development - Creating RESTful microservices in IBM Cloud Docs
• 2019-09-14 - Generating and Configuring a Mastercard API Client at Mastercard Developers Platform
• 2019-09-15 - OpenAPI(Swagger)導入下調べ by Shoichi Kuraoka
• 2019-09-17 - Tutorial: Documenting http4k APIs with OpenApi3 by http4k
• 2019-09-22 - OpenAPI 3を完全に理解できる本 by @ota42y
• 2019-09-22 - RESTful APIs: Tutorial of OpenAPI Specification by Amir Lavasani
• 2019-09-22 - Redefining SDKs as software diversity kits by Sid Maestre (Xero) at DevRelCon San Francisco 2019
• 2019-09-23 - swaggerからOpenApi GeneratorでSpringのコードを自動生成 by @littleFeet at Qiita
• 2019-09-24 - Eine Stunde was mit Api First! by @janweinschenker at Java Forum Nord
• 2019-10-09 - openapi-generator で生成した Go クライアントで Bearer 認証をする by Akira Tanimura
• 2019-10-10 - Automatic Generation of REST Clients by Thomas Peyrard, Senior Software Engineer at Criteo in Full-Stack Tech Talks (Meetup)
• 2019-10-12 - OpenApi自动生成client by 郑泽洲
• 2019-10-16 - How to ship APIs faster? by Simon Guilliams @ PoniCode
• 2019-10-22 - OpenAPI + Spring Boot(Kotlin)でファイルダウンロードAPIを作成する by Yuki Furukawa
• 2019-10-24 - Microprofile OpenAPI - Code First or Design First? by Peter [pɛʃə] Steiner at eclipsecon Europe 2019
• 2019-11-06 - Generating API clients based on OpenAPI v3 specifications by Dominik Jastrzębski @ 98elements
• 2019-11-06 - OpenAPIを利用して自前のAPIサーバー(Sinatra)を移植した時のメモ by Yasuhiro ABE
• 2019-11-07 - API First development with OpenAPI - You should you practise it !? by Nick Van Hoof at Devoxx Belgium 2019
• 2019-11-08 - JHipster beyond CRUD - API-First for Enterprises by Enrico Costanzi by Enrico Costanzi at JHipster Conf 2019 in Paris
• 2019-11-11 - TypeScript REST APIクライアント by @unhurried
• 2019-11-11 - One Spec to Rule them all - OpenAPI in Action by Andreas Litt at code.talks 2019
• 2019-11-13 - OpenAPI 3.0 Editor And Generator With A Spring Boot Example at Simply How
• 2019-11-17 - OpenAPI Generator YouTube playlist at YouTube
• 2019-11-20 - Introduction to OpenAPI by Lorna Mitchell at GOTO Copenhagen 2019
• 2019-11-20 - How to Generate Angular code from OpenAPI specifications by Anuraj
• 2019-11-23 - Swagger ではない OpenAPI Specification 3.0 による API サーバー開発 by Tetsuya Morimoto at JJUG CCC 2019 Fall
• 2019-11-24 - Accelerate Flutter development with OpenAPI and Dart code generation by Irina Southwell
• 2019-11-25 - openapi-generatorで手軽にスタブサーバとクライアントの生成 by @pochopocho13
• 2019-11-26 - CordaCon 2019 Highlights: Braid Server and OpenAPI Generator for Corda Client API’s by Adel Rustum at B9lab
• 2019-12-03 - A Road to Less Coding: Auto-Generate APILibrary at Corda Blog
• 2019-12-04 - Angular＋NestJS＋OpenAPI（Swagger）でマイクロサービスを視野に入れた環境を考える by てらしー
• 2019-12-05 - Code generation on the Java VM by Sean Sullivan
• 2019-12-17 - OpenAPI Generator で OAuth2 アクセストークン発行のコードまで生成してみる by TECHSCORE
• 2019-12-23 - Use Ada for Your Web Development by Stephane Carrez
• 2019-12-23 - OpenAPIのスキーマを分割・構造化していく方法 by 小飯塚達也 at GiFT, Inc
• 2020-01-17 - OpenAPI demo for Pulp 3.0 GA by Pulp at Youtube
• 2020-01-19 - Why document a REST API as code? by Rolf Streefkerk at DEV Community
• 2020-01-28 - Get Your Serverless Swagger Back with OpenAPI by Matt Tyler
• 2020-01-30 - OpenAPI Generatorへのコントリビュート by yutaka0m
• 2020-02-01 - Using OpenAPI to Maximise Your Pulp 3 Experience by Dennis Kliban at FOSDEM
• 2020-02-07 - Why you should use OpenAPI for your API design by Nick Van Hoof at API Conference
• 2020-02-17 - Rubynetes: using OpenAPI to validate Kubernetes configs by Neil Wilson at Brightbox
• 2020-02-20 - Building SDKs for the future by Sid Maestre (Xero)
• 2020-02-27 - Nuxt利用プロダクトでIE11と仲良くするためのE2E at Medpeer.co.jp Tech Blog
• 2020-02-29 - Providing Support to IoT Devices Deployed in Disconnected Rural Environment (Conference paper) by Sergio Laso, Daniel Flores-Martín, Juan Luis HerreraCarlos, CanalJuan Manuel, MurilloJavier Berrocal
• 2020-03-02 - How To Generate Angular & Spring Code From OpenAPI Specification by Michael Hoffmann
• 2020-03-02 - OpenAPI Generator + TypeScript で始める自動生成の型に守られた豊かなクライアント生活 by 五百蔵 直樹 at GiFT株式会社
• 2020-03-10 - OpenAPI Generator Meetup #1 by 中野暁人 at OpenAPI Generator Meetup #1
• 2020-03-15 - Load Testing Your API with Swagger/OpenAPI and k6
• 2020-04-13 - 俺的【OAS】との向き合い方 (爆速でOpenAPIと友達になろう) in OPTim Blog
• 2020-04-22 - Introduction to OpenAPI Generator by Kristopher Sandoval in Nordic APIs
• 2020-04-27 - How we use Open API v3 specification to auto-generate API documentation, code-snippets and clients by Tanel Tähepõld
• 2020-05-09 - OpenAPIでお手軽にモックAPIサーバーを動かす by Sachie Kamba
• 2020-05-18 - Spring Boot REST with OpenAPI 3 by Alfonz Jan Frithz
• 2020-05-19 - Dead Simple APIs with Open API by Chris Tankersley at Nexmo
• 2020-05-22 - TypeScript REST API Client by "unhurried"
• 2020-05-28 - 【使用 lotify + Swagger 建置可共用的 LINE Notify bot】 - #NiJia @ Chatbot Developer Taiwan 第 #19 小聚 by Chatbot Developer Taiwan
• 2020-05-28 - Building APIs with Laravel using OpenAPI by Chris Tankersley at Laracon EU
• 2020-06-12 - Interoperability by construction: code generation for Arrowhead Clients by Michele Albano, Brian Nielsen at 2020 IEEE Conference on Industrial Cyberphysical Systems (ICPS)
• 2020-06-23 - 新規サーバーアプリケーションにTypeScriptを採用してみた at CAM Tech Blog
• 2020-06-29 - Artifact Abstract: Deployment of APIs on Android Mobile Devices and Microcontrollers by Sergio Laso ; Marino Linaje ; Jose Garcia-Alonso ; Juan M. Murillo ; Javier Berrocal at 2020 IEEE International Conference on Pervasive Computing and Communications (PerCom)
• 2020-07-07 - 5 Best API Documentation Tools by Susanna Bouse at DreamFactory Blog
• 2020-07-12 - Open API 3.0の定義からgolangのサーバコードのスケルトンを作成する by @professor (Qiita Blog)
• 2020-07-20 - Datadog API client libraries now available for Java and Go by Jordan Obey at Datadog Blog
• 2020-07-23 - Generate Client SDK for .NET Core using Open Api by Nuno Reis
• 2020-07-26 - Dartのhttp_interceptorライブラリを使うと配列のクエリパラメータが消えてしまう件の応急処置 by @gyamoto
• 2020-08-01 - Generate Angular ReactiveForms from Swagger/OpenAPI by Martin McWhorter
• 2020-08-03 - Criando Bibliotecas para APIs RESTful com OpenAPI, Swagger Editor e OpenAPI Generator by everis Brasil (an NTT DATA Company)
• 2020-08-19 - マイクロサービスを連携してみよう by 岡井 裕矢(おかい ゆうや), 泉 勝(いずみ まさる) at Think IT（シンクイット）
• 2020-08-25 - OpenAPI Generator と TypeScript で型安全にフロントエンド開発をしている話 at SmartHR Tech Blog
• 2020-09-10 - Introduction to OpenAPI with Instana by Cedric Ziel at Instana Blog
• 2020-09-17 - Generate PowerShellSDK using openapi-generator by Ghufran Zahidi
• 2020-09-24 - How to automate API code generation (OpenAPI/Swagger) and boost productivity - Tutorial with React Native featuring TypeScript by Sanjin Celeski
• 2020-09-25 - Generate OpenAPI Angular Client by Patric
• 2020-10-24 - Working with Microsoft Identity - React Native Client by Joseph Guadagno
• 2020-10-31 - [B2] OpenAPI Specification으로 타입-세이프하게 API 개발하기: 희망편 VS 절망편 by 최태건 at FEConf 2020
• 2020-11-05 - Automated REST-Api Code Generation: Wie IT-Systeme miteinander sprechen by Stefan Rottensteiner at MASSIVE ART Blog
• 2020-12-01 - OpenAPI GeneratorでGoのAPIサーバー/クライアントコードを自動生成する by @saki-engineering
• 2020-12-04 - Scaling the Test Coverage of OpenAPI Generator for 30+ Programming Languages by William Cheng at Open Source Summit Japan + Automotive Linux Summit 2020 (Slides)
• 2020-12-09 - プロジェクトにOpenAPI Generatorで自動生成された型付きAPI Clientを導入した話 by @yoshifujiT
• 2020-12-15 - Next.js + NestJS + GraphQLで変化に追従するフロントエンドへ 〜 ショッピングクーポンの事例紹介 by 小倉 陸 at Yahoo! JAPAN Tech Blog
• 2021-01-08 - Hello, New API – Part 1 by Jeremy Schulman at Major League Baseball
• 2021-01-18 - 「アプリ開発あるある」を疑うことから始まった、API Clientコードの自動生成【デブスト2020】 by CodeZine編集部
• 2021-02-05 - REST-API-Roundtrip with SpringDoc and OpenAPI Generator by Benjamin Klatt at viadee
• 2021-02-17 - REST-API-Roundtrip with SpringDoc and OpenAPI Generator by cloud @viadee
• 2021-03-08 - OpenAPI Generator 工具的躺坑尝试 by 独家雨天 at CSDN官方博客
• 2021-03-16 - 如何基于 Swagger 使用 OpenAPI Generator 生成 JMeter 脚本？ by 高楼Zee at 腾讯云专栏
• 2021-03-24 - openapi-generator-cli による TypeScript 型定義 by Takefumi Yoshii
• 2021-03-28 - Trying out NestJS part 4: Generate Typescript clients from OpenAPI documents by Arnaud Cortisse
• 2021-03-31 - Open API Server Implementation Using OpenAPI Generator at Baeldung
• 2021-03-31 - 使用OpenAPI Generator實現Open API Server at 億聚網
• 2021-04-19 - Introducing Twilio’s OpenAPI Specification Beta by GARETH PAUL JONES at Twilio Blog
• 2021-04-22 - Leveraging OpenApi strengths in a Micro-Service environment by Nicolas Jellab at Unibuddy Technology Blog
• 2021-04-27 - From zero to publishing PowerShell API clients in PowerShell Gallery within minutes by William Cheng at PowerShell + DevOps Global Summit 2021
• 2021-05-31 - FlutterでOpen Api Generator(Swagger)を使う by AAkira
• 2021-06-22 - Rest API Documentation and Client Generation With OpenAPI by Prasanth Gullapalli
• 2021-07-16 - 銀行事業のサーバーサイド開発について / LINE 京都開発室 エンジニア採用説明会 by 野田誠人, Robert Mitchell
• 2021-07-19 - OpenAPI code generation with kotlin by sylhare
• 2021-07-29 - How To Rewrite a Huge Codebase by Curtis Poe
• 2021-08-21 - Generating Client APIs using Swagger Part 1 by FlowSquad.io
• 2021-09-11 - Invoking AWS ParallelCluster API at AWS ParallelCluster API official documentation
• 2021-09-20 - OpenAPI Generator - The Babel Fish of the API World by Cliffano Subagio (Principal Engineer at Shine Solutions) at Apidays LIVE Australia 2021
• 2021-10-02 - How to Write Fewer Lines of Code with the OpenAPI Generator by Mikhail Alfa
• 2021-10-12 - OpenAPI Generator : 4000 étoiles sur GitHub et des spaghettis by Jérémie Bresson at Devoxx FR 2021
• 2021-10-17 - Generate a TypeScript HTTP Client From An OpenAPI Spec In DotNET 5 by Richard Willis
• 2021-11-06 - スタートアップの開発で意識したこと by woo-noo
• 2021-11-09 - Effective Software Development using OpenAPI Generator by Ajil Oomme
• 2021-12-07 - An Introduction to OpenAPI by Na'aman Hirschfeld
• 2022-01-02 - Towards a secure API client generator for IoT devices by Anders Aaen Springborg, Martin Kaldahl Andersen, Kaare Holland Hattel, Michele Albano
• 2022-02-02 - Use OpenApi generator to share your models between Flutter and your backend by Guillaume Bernos at Flutter Vikings Conference 2022 (Hybrid)
• 2022-03-15 - OpenAPI Specでハイフン区切りのEnum値をOpenAPI Generatorで出力すると、ハイフン区切りのまま出力される by yuji38kwmt
• 2022-04-01 - OpenAPI Generatorのコード生成とSpring Frameworkのカスタムデータバインディングを共存させる in ZOZO Tech Blog
• 2022-04-06 - Effective Software Development using OpenAPI Generator by Ajil Oommen (Senior Flutter Developer)
• 2022-05-13 - A Path From an API To Client Libraries by Filip Srnec at Infobip
• 2022-06-01 - API First, using OpenAPI and Spring Boot by Micael Estrázulas Vianna
• 2022-06-10 - Autogenerating Clients with FastAPI and Github Actions by Andrew Israel
• 2022-06-12 - Mustache templates with OpenAPI specs by Beppe Catanese
• 2022-07-01 - Generate API contract using OpenAPI Generator Maven plugin by Khanh Nguyen
• 2022-07-22 - 使用OpenAPI Generator Maven plugin开发api优先的java客户端和服务端代码 by Lincest
• 2022-08-01 - Tutorial: Etsy Open API v3 (ruby) by Thierry Joyal
• 2022-09-03 - OpenAPI Generator For Go Web Development by Kevin Hu
• 2022-10-01 - OpenAPI Generatorをカスタマイズしたコードを生成する（Swagger Codegenとほぼ同じ） by きり丸
• 2022-10-21 - Kotlin（Spring Boot）の API を OpenAPI Generator で自動生成 by msksgm
• 2022-10-26 - Quarkus Insights #106: Quarkiverse Extension Spotlight: OpenApi Generator by Quarkusio
• 2022-11-28 - The REST API implementation flow by Imre Tömösvári
• 2022-12-13 - API-First with Spring WebFlux and OpenAPI Generator by Eric Anicet
• 2023-01-06 - Major Improvements with Helidon and OpenAPI by Tim Quinn
• 2023-02-02 - Replacing Postman with the Jetbrains HTTP Client by julien Lengrand-Lambert
• 2023-03-15 - OpenAPI Generatorに適したOpenAPIの書き方 by ZOZO Tech Blog
• 2023-03-19 - EXOGEM: Extending OpenAPI Generator for Monitoring of RESTful APIs by Daniel Friis Holtebo, Jannik Lucas Sommer, Magnus Mølgaard Lund, Alessandro Tibo, Junior Dongo & Michele Albano at "ICSOC 2022: Service-Oriented Computing – ICSOC 2022 Workshops"
• 2023-03-28 - API-First Design with OpenAPI Generator by Jonathan Manera
• 2023-03-28 - ハンズオンで学ぶサーバーサイド Kotlin（Spring Boot&Arrow&OpenAPI Generator）v1.0.1 by msk
• 2023-04-01 - OpenAPI Client Code Generation by Kwo Ding
• 2023-04-27 - [Create an Angular Client using OpenAPI Specifications](Create an Angular Client using OpenAPI Specifications) by Patric
• 2023-05-16 - Adyen for Java developers by Beppe Catanese, Developer Advocate, Adyen
• 2023-05-18 - 如何基于 Swagger 使用 OpenAPI Generator 生成 JMeter 脚本？ by 高楼（Zee)
• 2023-06-28 - Generate API contract using OpenAPI Generator Maven plugin by Khanh Nguyen
• 2023-06-30 - Generate Client SDKs with OpenApi Generator in Springboot by Vinayak Ramavath
• 2023-12-10 - UnityでOpenAPI Generatorを使う by Soup Tori
• 2024-01-24 - Comment générer des stubs wiremock avec openapi generator by Alexis Couvreur
• 2024-03-04 - Generating TypeScript Types with OpenAPI for REST API Consumption by PullRequest
• 2024-03-07 - Fully typed Web Apps with OpenAPI (Part 1) by Guillaume Renard
• 2024-03-08 - Laravel OpenAPIによる "辛くない" スキーマ駆動開発 by KentarouTakeda

6 - About Us

What's the design philosophy or principle behind OpenAPI Generator?

We focus on developer experience. The generators should produce code, config, documentation, and more that are easily understandable and consumable by users. We focused on simple use cases to start with (bottom-up approach). Since then the project and the community have grown a lot: 600k weekly downloads via NPM CLI wrapper, 30M downloads via openapi-generator-cli docker image just to highlight a few. We've gradually supported more features (e.g. oneOf, anyOf introduced in OpenAPI 3.0) in various generators and we will continue this approach to deliver something based on our understanding of user demand and what they want, and continue to add support of new features introduced in OpenAPI specification (such as v3.1 and future versions of the OpenAPI specification).

6.1 - OpenAPI Generator Core Team

OpenAPI Generator core team members are contributors who have been making significant contributions (review issues, fix bugs, make enhancements, etc) to the project on a regular basis.

Core Team Members

• @wing328 (2015/07) :heart:
• @jimschubert (2016/05) :heart:
• @cbornet (2016/05)
• @jmini (2018/04) :heart:
• @etherealjoy (2019/06)

:heart: = Link to support the contributor directly

Template Creator

NOTE: Embedded templates are only supported in Mustache format. Support for all other formats is experimental and subject to change at any time.

Here is a list of template creators:

• API Clients:
  • Ada: @stcarrez
  • Apex: @asnelling
  • Bash: @bkryza
  • C: @PowerOfCreation @zhemant :heart:
  • C++ REST: @Danielku15
  • C++ Tiny: @AndersSpringborg @kaareHH @michelealbano @mkakbas
  • C++ UE4: @Kahncode
  • C# (.NET 2.0): @who
  • C# (.NET Standard 1.3 ): @Gronsak
  • C# (.NET 4.5 refactored): @jimschubert :heart:
  • C# (GenericHost): @devhl-labs
  • C# (HttpClient): @Blackclaws
  • Clojure: @xhh
  • Crystal: @wing328
  • Dart: @yissachar
  • Dart (refactor): @joernahrens
  • Dart 2: @swipesight
  • Dart (Jaguar): @jaumard
  • Dart (Dio): @josh-burton
  • Elixir: @niku
  • Elm: @eriktim
  • Eiffel: @jvelilla
  • Erlang: @tsloughter
  • Erlang (PropEr): @jfacorro @robertoaloi
  • Groovy: @victorgit
  • Go: @wing328 :heart:
  • Go (rewritten in 2.3.0): @antihax
  • Haskell (http-client): @jonschoning
  • Java (Feign): @davidkiss
  • Java (Retrofit): @0legg
  • Java (Retrofit2): @emilianobonassi
  • Java (Jersey2): @xhh
  • Java (okhttp-gson): @xhh
  • Java (RestTemplate): @nbruno
  • Java (Spring 5 WebClient): @daonomic
  • Java (Spring 6 RestClient): @nicklas2751
  • Java (RESTEasy): @gayathrigs
  • Java (Vertx): @lopesmcc
  • Java (Google APIs Client Library): @charlescapps
  • Java (Rest-assured): @viclovsky
  • Java (Java 11 Native HTTP client): @bbdouglas
  • Java (Apache HttpClient 5.x): @harrywhite4 @andrevegas
  • Java (Helidon): @spericas @tjquinno @tvallin
  • Javascript/NodeJS: @jfiala
  • JavaScript (Apollo DataSource): @erithmetic
  • JavaScript (Closure-annotated Angular) @achew22
  • JavaScript (Flow types) @jaypea
  • Jetbrains HTTP Client : @jlengrand
  • JMeter: @davidkiss
  • Julia: @tanmaykm
  • Kotlin: @jimschubert :heart:
  • Kotlin (MultiPlatform): @andrewemery
  • Kotlin (Volley): @alisters
  • Kotlin (jvm-spring-webclient): @stefankoppier
  • Kotlin (jvm-spring-restclient): @stefankoppier
  • Lua: @daurnimator
  • N4JS: @mmews-n4
  • Nim: @hokamoto
  • OCaml: @cgensoul
  • Perl: @wing328 :heart:
  • PHP (Guzzle): @baartosz
  • PHP (with Data Transfer): @Articus
  • PowerShell: @beatcracker
  • PowerShell (refactored in 5.0.0): @wing328
  • Python: @spacether [:heart:][spacether sponsorship]
  • Python-Experimental: @spacether [:heart:][spacether sponsorship]
  • Python (refactored in 7.0.0): @wing328
  • R: @ramnov
  • Ruby (Faraday): @meganemura @dkliban
  • Ruby (HTTPX): @honeyryderchuck
  • Rust: @farcaller
  • Rust (rust-server): @metaswitch
  • Scala (scalaz & http4s): @tbrown1979
  • Scala (Akka): @cchafer
  • Scala (sttp): @chameleon82
  • Scala (sttp4): @flsh86
  • Scala (Pekko): @mickaelmagniez
  • Swift: @tkqubo
  • Swift 3: @hexelon
  • Swift 4: @ehyche
  • Swift 5: @4brunu
  • Swift Combine: @dydus0x14
  • TypeScript (Angular1): @mhardorf
  • TypeScript (Angular2): @roni-frantchi
  • TypeScript (Angular6): @akehir
  • TypeScript (Angular7): @topce
  • TypeScript (Axios): @nicokoenig
  • TypeScript (Fetch): @leonyu
  • TypeScript (Inversify): @gualtierim
  • TypeScript (jQuery): @bherila
  • TypeScript (Nestjs): @vfrank66
  • TypeScript (Node): @mhardorf
  • TypeScript (Rxjs): @denyo
  • TypeScript (redux-query): @petejohansonxo
  • Xojo: @Topheee
  • Zapier: @valmoz, @emajo
• Server Stubs
  • Ada: @stcarrez
  • C# ASP.NET 5: @jimschubert :heart:
  • C# ASP.NET Core 3.0: @A-Joshi
  • C# APS.NET Core 3.1: @phatcher
  • C# Azure functions: @Abrhm7786
  • C# NancyFX: @mstefaniuk
  • C++ (Qt5 QHttpEngine): @etherealjoy
  • C++ Pistache: @sebymiano
  • C++ Restbed: @stkrwork
  • Erlang Server: @galaxie
  • F# (Giraffe) Server: @nmfisher
  • Go Server: @guohuang
  • Go Server (refactored in 7.0.0): @lwj5
  • Go (Echo) Server: @ph4r5h4d
  • Go (Gin) Server: @kemokemo
  • GraphQL Express Server: @renepardon
  • Haskell Servant: @algas
  • Haskell Yesod: @yotsuya
  • Java Camel: @carnevalegiacomo
  • Java MSF4J: @sanjeewa-malalgoda
  • Java Spring Boot: @diyfr
  • Java Undertow: @stevehu
  • Java Play Framework: @JFCote
  • Java PKMST: @anshu2185 @sanshuman @rkumar-pk @ninodpillai
  • Java Vert.x: @lwlee2608
  • Java Micronaut: @andriy-dmytruk
  • Java Helidon: @spericas @tjquinno @tvallin
  • Java WireMock: @acouvreur
  • JAX-RS RestEasy: @chameleon82
  • JAX-RS CXF: @hiveship
  • JAX-RS CXF (CDI): @nickcmaynard
  • JAX-RS RestEasy (JBoss EAP): @jfiala
  • Julia: @tanmaykm
  • Kotlin: @jimschubert :heart:
  • Kotlin (Spring Boot): @dr4ke616
  • Kotlin (Vertx): @Wooyme
  • Kotlin (JAX-RS): @anttileppa
  • Kotlin WireMock: @stefankoppier
  • NodeJS Express: @YishTish
  • PHP Flight: @daniel-sc
  • PHP Laravel: @renepardon
  • PHP Lumen: @abcsun
  • PHP Mezzio (with Path Handler): @Articus
  • PHP Slim: @jfastnacht
  • PHP Slim4: @ybelenko
  • PHP Symfony: @ksm2
  • PHP Symfony6: @BenjaminHae
  • Python FastAPI: @krjakbrjak
  • Python AIOHTTP:
  • Ruby on Rails 5: @zlx
  • Rust (rust-server): @metaswitch
  • Scala Akka: @Bouillie
  • Scala Cask: @aaronp
  • Scala Finch: @jimschubert :heart:
  • Scala Lagom: @gmkumar2005
  • Scala Play: @adigerber
• Documentation
  • AsciiDoc: @man-at-home
  • HTML Doc 2: @jhitchcock
  • Confluence Wiki: @jhitchcock
  • PlantUML: @pburls
• Configuration
  • Apache2: @stkrwork
  • k6: @mostafa
• Schema
  • Avro: @sgadouar
  • GraphQL: @wing328 :heart:
  • Ktorm: @Luiz-Monad
  • MySQL: @ybelenko
  • Postman Collection: @gcatanese
  • Protocol Buffer: @wing328
  • WSDL: @adessoDpd

:heart: = Link to support the contributor directly

How to join the core team

Here are the requirements to become a core team member:

• rank within top 50 in https://github.com/openapitools/openapi-generator/graphs/contributors
  • to contribute, here are some good starting points

• regular contributions to the project

  • about 3 hours per week
  • for contribution, it can be addressing issues, reviewing PRs submitted by others, submitting PR to fix bugs or make enhancements, etc
  • must be active in the past 3 months at the time of application

  To join the core team, please reach out to team@openapitools.org for more information.

  To become a Template Creator, simply submit a PR for new API client (e.g. Rust, Elixir) or server stub (e.g. Ruby Grape) generator.

6.2 - OpenAPI Generator Technical Committee

Members of the OpenAPI Generator technical committee shoulder the following responsibilities:

• Provides guidance and direction to other users
• Reviews pull requests and issues
• Improves the generator by making enhancements, fixing bugs or updating documentations
• Sets the technical direction of the generator

Who is eligible? Those who want to join must have at least 3 PRs merged into a generator. (Exceptions can be granted to template creators or contributors who have made a lot of code changes with less than 3 merged PRs)

If you want to join the committee, please kindly apply by sending an email to team@openapitools.org with your Github ID.

Members of Technical Committee

:heart: = Link to support the contributor directly

6.3 - History of OpenAPI Generator

OpenAPI Generator is a fork of Swagger Codegen. In view of the issues with the Swagger Codegen 3.0.0 (beta) release and the disagreement on the project's direction, more than 40 top contributors and template creators of Swagger Codegen decided to fork Swagger Codegen and maintain a community-driven version called "OpenAPI Generator". Please refer to the Q&A for more information.

Founding Members (alphabetical order):

• Akihito Nakano
• Artem Ocheredko
• Arthur Mogliev
• Bartek Kryza
• Ben Wells
• Benjamin Gill
• Christophe Bornet
• Cliffano Subagio
• Daiki Matsudate
• Daniel
• Emiliano Bonassi
• Erik Timmers
• Esteban Gehring
• Gustavo Paz
• Javier Velilla
• Jean-François Côté
• Jim Schubert
• Jon Schoning
• Jérémie Bresson :heart:
• Jörn Ahrens
• Keni Steward
• Marcin Stefaniuk
• Martin Delille
• Masahiro Yamauchi
• Michele Albano
• Ramzi Maalej
• Ravindra Nikam
• Ricardo Cardona
• Sebastian Haas
• Sebastian Mandrean
• Sreenidhi Sreesha
• Stefan Krismann
• Stephane Carrez
• Takuro Wada
• Tomasz Prus
• Tristan Sloughter
• Victor Orlovsky
• Victor Trakhtenberg
• Vlad Frolov
• Vladimir Pouzanov
• William Cheng
• Xin Meng :heart:
• Xu Hui Hui
• antihax
• beatcracker
• daurnimator
• etherealjoy
• jfiala
• lukoyanov

:heart: = Link to support the contributor directly

7 - License

Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech) Copyright 2018 SmartBear Software

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.