Read file to another server

HI , i want read file from another server , the file are xls and  i want read with phpspreadsheet ,  i try to use curl :

Code:

        $client = \Config\Services::curlrequest([
            'baseURI' => 'https://myserver/',
        ]);

        // GET file
        $client->get('480060_08_06_2022.xls');

        $code  = $this->response->getStatusCode(); 
        $reason = $this->response->getReason(); 

but i have always $code equals to 200 and $reason equal to ok i f file doesn't exist too.

How can i check if file exist and read or download ?