Consulta de Pagamentos Pix via txid com PHP

php
$access_token = 'resultado da autenticação';
$certificado = 'caminho do certificado'
$txid = 'identificador do pix';

$curl = curl_init();

curl_setopt_array($curl, array(
CURLOPT_URL => 'https://api-pix.gerencianet.com.br/v2/cob/' . $txid,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => '',
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 0,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => 'GET',
CURLOPT_SSLCERT => $certificado,
CURLOPT_SSLCERTPASSWD => "",
CURLOPT_HTTPHEADER => array(
'authorization: Bearer ' . $access_token
),
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;