We released a new version of API Gateway. API Gateway now supports OpenAPI version 3.0
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## Announcement
Announcement
On November 12, 2025, we released a new version of API Gateway.
## Feature
Feature
**API Gateway now supports OpenAPI version 3.0.**
With this release, API Gateway now supports OpenAPI version 3.0, including all patch versions (3.0.x).
Key Benefits:
* Simplified Deployment: Directly upload and deploy OpenAPI version 3.0.x specifications without prior conversion to 2.0.
* Enhanced Compatibility: Seamlessly integrate your OpenAPI version 3.0.x definitions with API Gateway.
For more detail, see [OpenAPI overview](https://cloud.google.com/api-gateway/docs/openapi-overview).