Example: [{"id":"template_123","grant_id":"grant_456","app_id":null,"engine":"mustache","name":"Welcome Email","subject":"Welcome {{user.name}}!","body":"<p>Hello {{user.name}}, welcome to our service!</p><p>We're excited to have you on board.</p>","created_at":1640995200,"updated_at":1640995200,"object":"template"},{"id":"template_456","grant_id":"grant_456","app_id":null,"engine":"handlebars","name":"Password Reset","subject":"Reset your password - {{company.name}}","body":"<h1>Password Reset Request</h1><p>Hi {{user.name}},</p><p>Click <a href='{{reset_link}}'>here</a> to reset your password.</p><p>This link expires in {{expiry_hours}} hours.</p>","created_at":1640995300,"updated_at":1640995400,"object":"template"},{"id":"template_789","grant_id":"grant_456","app_id":null,"engine":"twig","name":"Order Confirmation","subject":"Order #{{order.number}} confirmed","body":"<h2>Thank you for your order!</h2><p>Order #{{order.number}} has been confirmed.</p><ul>{% for item in order.items %}<li>{{item.name}} - ${{item.price}}</li>{% endfor %}</ul><p>Total: ${{order.total}}</p>","created_at":1640995500,"updated_at":1640995500,"object":"template"}]