Do you have an OpenAPI Specification and don’t know if it can be imported into Amazon API Gateway to avoid defining each resource by hand through the console? This article shows you how to leverage an existing OAS specification in API Gateway.

If, on the other hand, you have a RAML specification, the article How to convert from RAML to OAS to use it in Amazon API Gateway offers a step-by-step guide to create your OpenAPI specification from an existing RAML.