def live_response
      if response = api_client.fetch(@api_request)
        cache.write(@api_request.cache_key, response)
        build_response(response)
      end
    end
def live_response
      if response = api_client.fetch(@api_request)
        cache.write(@api_request.cache_key, response)
        build_response(response)
      end
    end
Return response from API and write to cache
 @api private