generate a token auth0
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => "https://YOUR_DOMAIN/oauth/token",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "grant_type=client_credentials&client_id=%24%7Baccount.clientId%7D&client_secret=YOUR_CLIENT_SECRET&audience=https%3A%2F%2F%24%7Baccount.namespace%7D%2Fapi%2Fv2%2F",
CURLOPT_HTTPHEADER => array(
"content-type: application/x-www-form-urlencoded"
),
));
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}