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OpenAPI Initiative

Organization

Public GitHub footprint of OpenAPI Initiative

@OAI
View profile on GitHub

29

Public repositories

32,768

Total stars

1,478

Followers

The OpenAPI Initiative (OAI) has a significant public presence on GitHub, showcasing a wide range of repositories primarily focused on API specifications and tools. Notable projects include the OpenAPI-Specification in Markdown and the Arazzo-Specification in JavaScript, alongside various resources in Python and Shell that support the development and implementation of OpenAPI standards.

Top languages

JavaScript 6Markdown 2Python 2HTML 1Shell 1

Public repositories

OpenAPI-Specification

31,020

The OpenAPI Specification Repository

Markdown
Updated Jun 13, 2026

Arazzo-Specification

440

The Arazzo Specification - A Tapestry for Deterministic API Workflows

JavaScript
Updated Jun 10, 2026

sig-moonwalk

348

The effort to explore the future of the OpenAPI Specification is known as "Moonwalk." It includes 4.x considerations but also strives to consider 3.x. There is no planned end date to 4.0, so we strongly recommend using the 3.x versions that exist today.

JavaScript
Updated May 12, 2026

OpenAPI-Style-Guide

231

How to (and how not to) refer to the OAI in meetups, interviews, casual conversations, the settling of bar bets, and for conference presentations.

Unknown Language
Updated Jun 12, 2026

learn.openapis.org

218

OpenAPI - Getting started, and the specification explained

Markdown
Updated Jun 6, 2026

tools.openapis.org

169

A collection of open-source and commercial tools for creating your APIs with OpenAPI - Sourced from and published for the community

JavaScript
Updated Jun 12, 2026

Overlay-Specification

119

The OAI Overlay Specification

JavaScript
Updated Jun 11, 2026

Talks-and-Workshops

38

A collection of talks and workshops provided by OAI members

Unknown Language
Updated May 7, 2024

OAI-Courses

33

OpenAPI Initiative training courses

Python
Updated May 30, 2026

oascomply

25

No description provided for this repository.

Python
Updated Jun 5, 2026

Gluecon-Workshop

20

The Awesome OAI Gluecon Workshop

Unknown Language
Updated Apr 21, 2026

Projects

17

All of the open projects occurring within the Open API Initiative (OAI) community.

JavaScript
Updated Apr 1, 2026

community

16

No description provided for this repository.

Unknown Language
Updated May 25, 2026

spec.openapis.org

10

OpenAPI Initiative Publications

HTML
Updated Jun 2, 2026

sig-travel

10

A repo for managing the travel working group within the OpenAPI Initiative (OAI)

Unknown Language
Updated Apr 21, 2026

sig-finance

8

A repo for managing the sig-finance working group within the OpenAPI Initiative (OAI)

Unknown Language
Updated Apr 21, 2026

OSSNA-OpenAPI-Workshop

8

Materials for OpenAPI Workshop at Open Source Summit NA 2018

Unknown Language
Updated Apr 21, 2026

sig-industry-standards

6

Used to collect information related to the use of OpenAPI descriptions for defining API standards in industry verticals

Unknown Language
Updated May 19, 2026

sig-security

6

No description provided for this repository.

Unknown Language
Updated Apr 21, 2026

Outreach

5

No description provided for this repository.

Shell
Updated Jun 12, 2026

landscape

4

No description provided for this repository.

Unknown Language
Updated Jun 12, 2026

Stories

4

Submit ideas, writing, and publishing stories about the OpenAPI specification.

Unknown Language
Updated Apr 21, 2026

apidays-paris-2018-unconference

4

No description provided for this repository.

Unknown Language
Updated Jan 28, 2023

sig-lifecycle

3

No description provided for this repository.

Unknown Language
Updated Apr 21, 2026

.github

2

No description provided for this repository.

Unknown Language
Updated Apr 21, 2026

sig-formats

2

Focusing on the Formats Registry efforts

Unknown Language
Updated Mar 25, 2024

conference

1

OpenAPI Conference Website

JavaScript
Updated Feb 20, 2026

1password-teams-open-source

1

Get a free 1Password Teams membership for your open source project

Unknown Language
Updated Oct 11, 2024

build-infra

0

Holds the build infrastructure for the OpenAPI projects

Unknown Language
Updated Jun 6, 2026

Frequently asked questions

What does OAI build on GitHub?

OAI builds a variety of projects on GitHub, primarily centered around API specifications and tools. Key repositories include the OpenAPI-Specification, Arazzo-Specification, and resources for developers to implement OpenAPI standards effectively.

Which programming languages does OAI use?

OAI utilizes several programming languages in its repositories, including JavaScript, Markdown, Python, HTML, and Shell. This diverse language usage supports a range of tools and specifications for API development.

Are OAI's repositories public?

Yes, all of OAI's repositories are public on GitHub. This openness allows developers and organizations to access, contribute to, and utilize the various tools and specifications created by the OpenAPI Initiative.

Is this exposure intended?

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