Missing Authentication Token while accessing API Gateway?

Question

I am trying to call a Lambda Function through AWS API Gateway. When I mention Authentication type NONE it works fine but API become public and anyone with url can access my

Answer 1

I just had the same issue and it seems it also shows this message if the resource cannot be found.

In my case I had updated the API, but forgotten to redeploy. The issue was resolved after deploying the updated API to my stage.