OpenAPI

Linux Foundation, San Francisco, California, United States

OpenAPI is a specification language for defining HTTP APIs, typically written in YAML or JSON.

It enables automated generation of interactive documentation (via tools such as Swagger UI and Redoc), schema-based request and response validation, automatic creation of client SDKs and server stubs in multiple programming languages, and integration into CI/CD pipelines.

According to our data, OpenAPI is present on 0.2% of all websites.

🏠 Website
- openapis.org #358,465
🏷️ Previous name
- Swagger Specification
🔗 Links
- Wikipedia
</> Source code
- GitHub
👨‍👩‍👦‍👦 Community
- Stack Overflow

📊 Rankings and Market Share

Standards
- Rank: 32
- Market share: 0.2%

🏆 OpenAPI Awards

⬆️ 22nd most popular in the Netherlands in the Standards category.
⬆️ 22nd most popular in Denmark in the Standards category.
⬆️ 22nd most popular in Peru in the Standards category.
⬆️ 23rd most popular in Chile in the Standards category.
⬆️ 23rd most popular in Bulgaria in the Standards category.
⬆️ 24th most popular in Serbia in the Standards category.
⬆️ 26th most popular in Argentina in the Standards category.
⬆️ 26th most popular in Mexico in the Standards category.
⬆️ 27th most popular in Romania in the Standards category.
⬆️ 27th most popular in the United Arab Emirates in the Standards category.

⚡ Sites Using OpenAPI

We have data on 6,351 websites that use OpenAPI. Here is a list of some of the top ranked ones.

The highest rated site using OpenAPI is haveibeenpwned.com.

#	Website	Rank	Country	Language
1	haveibeenpwned.com	#1,581	Australia	English
2	primor.eu	#2,831	Spain	Spanish
3	electrodepot.fr	#2,850	France	French
4	dedeman.ro	#3,819	Romania	Romanian
5	loaded.com	#4,061	United Kingdom	English
6	stylevana.com	#4,274		English
7	solodeportes.com.ar	#5,004	Argentina	Spanish
8	senado.leg.br	#6,300	Brazil	Brazilian Portuguese
9	fahorro.com	#9,557	Mexico	Spanish
10	onlinehomeshop.com	#9,899	United Kingdom	British English
11	cetrogar.com.ar	#10,544	Argentina	Spanish
12	planetasport.rs	#11,069	Serbia	Serbian
13	thegreatcoursesplus.com	#11,673	United States	English
14	salonic.hu	#15,317	Hungary	English
15	schott-music.com	#16,320	Germany	English
16	lcbo.com	#16,505		English
17	dico.com.mx	#16,837	Mexico	Spanish
18	elsevierhealth.com	#17,687	Netherlands	English
19	rockler.com	#18,468	United States	English
20	511tactical.com	#19,573		English

📈 Usage Statistics

Most of the sites that use OpenAPI:

are located in the United States
have content in English
use the .com domain extension
fall into the Online Shopping category.

🌎 Countries📢 Languages⭐ TLDs🗃️ Domain Categories

Most of the sites using OpenAPI are from the United States, the United Kingdom, and the Netherlands.

Most OpenAPI users speak English, German, or Dutch.

OpenAPI is especially popular on .com, .co.uk, and .nl top-level domains.

The primary market segments for websites utilizing OpenAPI include online shopping, marketing and merchandising, and business.

🕵️ Similar Technologies

These are some of the best OpenAPI alternatives.

Rank	Name
4	JSON A lightweight, language-independent data exchange format derived from JavaScript and used to structure and transmit data between systems.
14	YAML A data serialization language designed to be human friendly and work well with modern programming languages for common everyday tasks.
16	OAuth Fremont, California, United States An open standard authorization protocol that allows applications to obtain limited access to user accounts without sharing passwords across web, mobile, and desktop environments.
20	GraphQL Menlo Park, California, United States A data query and manipulation language for APIs typically used for remote client-server communications.
24	OpenID San Ramon, California, United States A decentralized authentication protocol based on OAuth 2.0 that enables applications to verify a user's identity through an external identity provider instead of managing credentials directly.