def get(path, params = nil, headers = {})
      response = http_client.get(request_uri(path), params, request_headers(headers))
      if response.status == 200
        parse_response(response)
      else
        handle_error_response(response)
      end
    end
def get(path, params = nil, headers = {})
      response = http_client.get(request_uri(path), params, request_headers(headers))
      if response.status == 200
        parse_response(response)
      else
        handle_error_response(response)
      end
    end
Initialize api client

 @param [String] api_url
 @param [Hash] default_headers
 Get request

 @param [String] path
 @param [Hash,NilClass] params
 @return [Hash]