Full Guide to Developing REST API’s with AWS API Gateway and AWS Lambda
Is there a use case for AWS API Gateway if one is not using Lambda ? Can it protect a web application against DDOS ?I am not convinced API gateway+ Lambda can substitute for a Web Application , atleast for J2EE apps. The Lambda "boot" time is way too high unless we resort to tricks to keep the lambda instance active. I find the extra $30  or similar is well spent on a a AWS Elastic Beanstalk with auto scaling. The packaging and deployment is cleaner and  simpler.