Bulk SMS is a service that allows businesses and individuals to send a large number of text messages to multiple recipients at once. It is commonly used for marketing, alerts, reminders, and notifications. Bulk SMS is cost-effective, has a high open rate, and ensures instant communication. Businesses, schools, healthcare providers, and government agencies use it for customer engagement, emergency alerts, and promotional campaigns. It can be sent via SMS gateways, web platforms, or APIs, making it a versatile communication tool.