OpenAPI Initiative sets the standard for describing APIs, helping you design, document, and share how APIs work for better collaboration and integration.
Explore the world's leading API description standard
OpenAPI Initiative is the home of the widely adopted OpenAPI Specification, a standard that makes it easier to describe, design, and document APIs. Whether you're a developer, architect, or part of an organization working with APIs, you can use OpenAPI to clearly communicate how your APIs function and interact.
On this site, you'll find the latest specifications, guides, and tools to help you implement the OpenAPI standard in your projects. You can also learn about new features, join the community, and contribute to the ongoing development of the standard. It's a great resource if you're looking to improve API transparency, streamline client code generation, or ensure consistency across your API ecosystem.
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