Access HTTP request (headers, query string, cookies, body) object in lambda with http endpoint

Question

I am trying to see how to access the request header and body values from with in the lambda code. If the request body is in JSON format, it automatically seems to be parsed and

Answer 1

Seems like if no "Content-Type" is sent, AWS API Gateway defaults it to "application/json": https://forums.aws.amazon.com/thread.jspa?threadID=215471

So just define the Mapping Template for "application/json".