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The world's most widely used API description standard
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What is OpenAPI?
The OpenAPI Specifications provide a formal standard for describing HTTP APIs.
This allows people to understand how an API works, how a sequence of APIs work together, generate client code, create tests, apply design standards, and much, much more.

3 Benefits of OpenAPI
As the most widely used API description languages:
Commonality of use and support bytool vendors, meaning flexibility in toolvendor selection.
Commonality of knowledge bydevelopers andengineers, meaning flexibility instaffing.
Abstraction of API description facilitating adoption ofinnovations in API behaviors whileavoiding total rewrites.
Events
February 18 - 20, 2026
DEVELOPERWEEK 2026
OpenAPI Summit
San Jose Convention Center
The OAI Summit is an integral part of DeveloperWeek
