curl_php_example.php

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"https://auth.bootic.net/oauth/token");
// Reemplazar client_id:client_secret por credenciales de aplicación
curl_setopt($ch, CURLOPT_USERPWD, "client_id:client_secret");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "grant_type=client_credentials&scope=admin");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$server_output = curl_exec ($ch);
curl_close ($ch);

// Parsea JSON
$data = json_decode($server_output);

// El token
$access_token = $data->{'access_token'};

print_r($access_token);
?>