$config = [
"certificado" => "./certificados/homologacao-certificado_cert.pem",
"client_id" => "???",
"client_secret" => "???"
];
$autorizacao = base64_encode($config["client_id"] . ":" . $config["client_secret"]);
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => 'https://pix-h.api.efipay.com.br/oauth/token',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => '',
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 0,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_POSTFIELDS =>'{
"grant_type": "client_credentials"
}',
CURLOPT_SSLCERT => $config["certificado"],
CURLOPT_HTTPHEADER => array(
"Authorization: Basic $autorizacao",
"Content-Type: application/json"
),
));
$response = curl_exec($curl);
curl_close($curl);
if(curl_errno($curl)) {
echo 'Erro no cURL: ' . curl_error($curl);
} else {
echo $response;
}