I’ve written an article for the Okta Developer blog about how to validate JWT Access Tokens using an AWS Lambda Authorizer written in PHP to secure access to an AWS API Gateway.
It seems complicated, isn’t it? To write this article I had to make some R+D work, as it includes up-to-date pieces of information that cannot be found anywhere else in the Internet.
You can check it here: https://developer.okta.com/blog/2020/10/05/validating-okta-access-tokens-php-aws-api-gateway-lambda