declare(strict_types=1);

require 'vendor/autoload.php';

use Polar;
use Polar\Models\Components;

$sdk = Polar\Polar::builder()->build();

$request = new Components\IntrospectTokenRequest(
    token: '<value>',
    clientId: '<id>',
    clientSecret: '<value>',
);

$response = $sdk->oauth2->introspect(
    request: $request
);

if ($response->introspectTokenResponse !== null) {
    // handle response
}

{
  "active": true,
  "client_id": "<string>",
  "token_type": "access_token",
  "scope": "<string>",
  "sub_type": "user",
  "sub": "<string>",
  "aud": "<string>",
  "iss": "<string>",
  "exp": 123,
  "iat": 123
}