Getting raw event.body from API Gateway when specifying a JSON schema

Serverless Architectures
1

I configured a JSON schema for an http endpoint and no longer receive the raw request string in event.body but instead receive a parsed object. This would normally be convenient to have a validated object, but the requests are signed with an HMAC signature which cannot be validated without the original request body. Is it possible to have both?

events: [
  {
    http: {
      method: 'post',
      path: 'shopifyOrder',
      request: {
        schema: {
          'application/json': schema
        }
      }
    }
  }
]

Update: I have a workaround using httpApi instead of http, which does no schema validation but returns the original payload. I am still looking for a solution that validates it up front and delivers the original string.

2

Currently using a middy validator/AJV/JSONSchema on our lambda to validate the request body for further processing. AWS’ API gateway supports request validation that would allow us to remove request validation from the lambda API and not trigger lambda invocations for invalid requests. snaptube vidmate