Delete an API in API Gateway
Use the API Gateway console to delete an API.
Deleting an API means that you can no longer call it. This action cannot be undone.
You must have deployed the API at least once. Follow the instructions in Deploying an API.
Delete an API with the API Gateway Console
Sign in to the API Gateway console at https://console.aws.amazon.com/apigateway.
In the box that contains the name of the API you want to delete, choose Resources.
Choose Delete API.
When prompted to delete the API, choose Ok.