Openapi Generator Api Client Server Stub Tooling

---
name: "OpenAPI Generator API Client and Server Stub Tooling"
slug: "openapi-generator-api-client-server-stub-tooling"
description: "OpenAPI Generator turns OpenAPI specs into client SDKs, server stubs, docs, and config. It is a practical fit when you need repeatable API scaffolding from a contract-first workflow."
github_stars: 26095
verification: "security_reviewed"
source: "https://github.com/OpenAPITools/openapi-generator"
author: "OpenAPITools"
publisher_type: "Open Source Project"
category: "Developer Tools"
framework: "Multi-Framework"
tool_ecosystem:
  github_repo: "OpenAPITools/openapi-generator"
  github_stars: 26095
---

# OpenAPI Generator API Client and Server Stub Tooling

OpenAPI Generator turns OpenAPI specs into client SDKs, server stubs, docs, and config. It is a practical fit when you need repeatable API scaffolding from a contract-first workflow.

## Prerequisites

Java, Maven

## Installation

Use the upstream install or setup path that matches your environment:
- [Run Docker in Vagrant](#run-docker-in-vagrant)
- To install, run brew install openapi-generator
- To reinstall with the latest master, run brew uninstall openapi-generator && brew install --HEAD openapi-generator
- brew tap AdoptOpenJDK/openjdk

Requirements and caveats from upstream:
- [1.6 - Docker](#16---docker)
- [Public Pre-built Docker images](#public-pre-built-docker-images)
- [OpenAPI Generator CLI Docker Image](#openapi-generator-cli-docker-image)

Basic usage or getting-started notes:
- | **API clients** | **ActionScript**, **Ada**, **Apex**, **Bash**, **C**, **C#** (.net 2.0, 3.5 or later, .NET Standard 1.3 - 2.1, .NET Core 3.1, .NET 5.0. Libraries: RestSharp, GenericHost, HttpClient), **C++** (Ardu...
- | **Server stubs** | **Ada**, **C#** (ASP.NET Core, Azure Functions), **C++** (Httplib, Oat++, Pistache, Restbed, Qt5 QHTTPEngine), **Erlang**, **F#** (Giraffe), **Go** (net/http, Gin, Echo), **Haskell** (Servant, Yes...
- [2 - Getting Started](#2---getting-started)

- Source: https://github.com/OpenAPITools/openapi-generator
- Extracted from upstream docs: https://raw.githubusercontent.com/OpenAPITools/openapi-generator/HEAD/README.md

## Documentation

- https://github.com/OpenAPITools/openapi-generator/wiki

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/openapi-generator-api-client-server-stub-tooling/)