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Follow OpenAPI Initiative: OpenAPI Initiative – The OpenAPI Initiative provides an open source, technical community, within which industry participants may easily contribute to building a vendor-neutral, portable and an open specification for providing technical metadata for REST APIs – the “OpenAPI Specification” (OAS).

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We are proud to announce the release of Arazzo Specification v1.1.0!

The headline addition is AsyncAPI support — for the first time, Arazzo workflows can declaratively describe sequences of calls that span both synchronous and asynchronous APIs. A workflow can now call an HTTP endpoint, publish to an event bus, wait for an acknowledgment, and chain the result into the ...


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OpenAPI Initiative Newsletter – December 2025

Welcome to the OpenAPI Initiative (OAI) December 2025 newsletter! This is our last newsletter of 2025, and we’ll be reflecting on what the community has accomplished this year as well as looking forward to 2026!

Events News

We’ll start this edition of the newsletter with Events news as our OpenAPI Conference at FOST, the co...


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