refactor: streamline response handling by introducing readResponseBody utility

client/create.go

@@ -30,8 +30,7 @@ func (client *Client) SendEmail(request *EmailRequest) (*EmailCreateResponse, er
 		return nil, err
 	}
 
-	response := Response[EmailCreateResponse]{}
-	err = json.NewDecoder(resp.Body).Decode(&response)
+	response, err := readResponseBody[Response[EmailCreateResponse]](resp)
 	if err != nil {
 		return nil, err
 	}