To effectively use SMS for customer alerts and notifications, businesses must get opt-in approval from customers before sending them messages. With over 6.8 billion smartphone owners checking their devices 96 times per day, SMS is a reliable method to reach customers quickly. Common uses of SMS include emergency notifications, financial alerts, appointment reminders, billing reminders, limited-time promotions, expiring credits, and delivery updates. To avoid customer fatigue, businesses should tailor their messages based on customer preferences and send relevant content. With platforms like MessagingX, businesses can send SMS messages at scale while maintaining reach to 180+ countries.