'192.168.127.121:8080']); try { $res = $client->request('POST', '/loan', ['somme' => 1000, 'account_id' => 1, 'approval_id' => 1, 'proxy'=>['http' => $proxy1, 'https'=> $proxy2]]); echo $res->getStatusCode(); echo $res->getHeader('content-type')[0]; echo $res->getBody(); } catch (\GuzzleHttp\Exception\GuzzleException $e) { }