API Gateway - OpenAPI 3.1

Hello nchadwick,  

Thank you for your question.  

Currently, API Gateway supports OpenAPI v2.0 and OpenAPI v3.0. At this time we cannot provide an estimated time of release for version 3.1.    

Documentation:

https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-import-api.html

https://aws.amazon.com/about-aws/in-the-news/?media-coverage-cards.sort

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