The OpenAPI Initiative (OAI) was created by a consortium of forward-looking industry experts who recognize the immense value of standardizing on how APIs are described. As an open governance structure under the Linux Foundation, the OAI is focused on creating, evolving and promoting a vendor neutral description format. The OpenAPI Specification was originally based on the Swagger Specification, donated by SmartBear Software. The OAI has grown to a multi-specification project that, first and foremost, provides the OpenAPI Specification, the most popular API description language available to API providers and consumers. OAI also supports the development of the Arazzo Specification, which caters for complex workflows invoking many APIs, and the Overlay Specification which provides the means to deterministically and reliably update an OpenAPI description through automation.
| Website | https://www.openapis.org/ |
| Revenue | $9.3 million |
| Employees | 19 (2 on RocketReach) |
| Founded | 2015 |
| Address | 1 Letterman Drive, San Francisco, California 94123, US |
| Phone | +1 914-648-4822 |
| Technologies |
JavaScript
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HTML
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Twitter
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| Industry | IT Services and IT Consulting, Membership Organizations, Developer APIs, Organizations, Software |
| Keywords | Open Source, Api Governance, Api Documentation, Api Standards, Api Development, Api Integration, Api Design, Api Management, Restful Apis, Api Security, Web Services, Api Testing, Software Development, Microservices, Api Tools, Cloud Computing |
| Competitors | Google, Postman (Api Tools), W3C, GraphQL Foundation, AsyncAPI Initiative, Stoplight, Redocly, Dapr, Swagger, Spring Framework +25 more (view full list) |
| SIC | SIC Code 86 Companies, SIC Code 862 Companies |
| NAICS | NAICS Code 813920 Companies, NAICS Code 81392 Companies, NAICS Code 813 Companies, NAICS Code 8139 Companies, NAICS Code 81 Companies |
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OpenAPI Initiative Questions
The OpenAPI Initiative annual revenue was $9.3 million in 2026.
2 people are employed at OpenAPI Initiative.
OpenAPI Initiative is based in San Francisco, California.
The NAICS codes for OpenAPI Initiative are [813920, 81392, 813, 8139, 81].
The SIC codes for OpenAPI Initiative are [86, 862].
Top OpenAPI Initiative Employees
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Henry Andrews
OpenAPI Standards and Software Contractor at OpenAPI Initiative
San Francisco, CA, US15+ -
Mike Ralphson
Technical Steering Committee Member at OpenAPI Initiative
Milton Keynes, GB35
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