AWS Lambda function REST API end point - 403 error

Question

I have an AWS Lambda function that is exposed as a REST API.

When it is invoked it via the Test button on aws lambda console, it works.

When it is invoked v

Answer 1

Supposedly the Lambda is exposed through an AWS API Gateway. One reason why you'd get 403 on a fresh "no authentication" API Gateway resource is because you haven't yet deployed your changes.

In API Gateway Console click the Actions dropdown and select Deploy API.

You should be good to go.