Transactional SMS refers to a type of SMS (Short Message Service) that is used for sending critical and important information to customers. Unlike promotional or marketing SMS, which are intended for promotional purposes, transactional SMS messages are typically sent in response to specific actions or events initiated by the user.
Transactional SMS is often used by businesses and organizations to send important updates, notifications, alerts, and transaction-related information to their customers.
The Transactional High Priority SMS sent with an objective of Inform Mobile User regarding any of his transaction related to his a/c. Alert, Updates are mapped as a Transactional Route.

In High Priority route SMS are delivered within 5 Seconds via Multiple GSM operator gateway. This category includes any Personal Account Information, Alerts, Update messages which are requested / OPTIN by the recipient.

Transactional SMS gets delivered on all mobile numbers 24/7 with a DLT Sender ID of 6 Character ALPHA only & DLT Templates or Business Process.

These kinds of messages are those which are necessary for the user! In ordinary language it is also termed as Service Alert Messages.

Client needs to Submit KYC Documents to avail Transactional SMS with other TRAI required documents. These messages include the messages which are only passed because the client or user OPTED that particular message & which do not contain any promotion or marketing content.

For example:

1. Order confirmations and delivery updates: E-commerce businesses use transactional SMS to inform customers about the status of their orders, including order confirmations, shipment tracking details, and estimated delivery dates.
2. Account notifications: Banks and financial institutions utilize transactional SMS to send alerts and notifications related to account balances, transactions, payment reminders, and security-related information.
3. Appointment reminders: Service-based businesses such as healthcare providers, salons, or fitness centers send transactional SMS to remind customers of their upcoming appointments, including date, time, and any necessary instructions.
4. Password resets and OTPs: Transactional SMS is often used to deliver one-time passwords (OTPs) for user authentication, password resets, and account verification purposes.
5. Flight or travel updates: Airlines and travel agencies send transactional SMS to inform passengers about flight delays, cancellations, gate changes, or booking confirmations.
6. Service updates: Informing customers about service outages, maintenance schedules, or any changes in service availability.
7. OTP (One-Time Password) verification: Sending temporary passwords or verification codes to users for authentication purposes during account registration, password resets, or other security-related processes.
8. Subscription or membership alerts: Updating customers about subscription renewals, membership expirations, or changes in subscription plans.
9. Important alerts: Sending critical notifications to users, such as emergency alerts, account security warnings, or important announcements from the business or organization.
10. Travel updates: Airlines, railways, and travel agencies use transactional SMS to provide customers with flight or train schedule changes, booking confirmations, seat allocations, and other travel-related information.

Transactional SMS messages are typically sent from a recognizable sender ID or shortcode and usually contain essential and time-sensitive information. These messages are considered important for the recipient and are often exempt from regulatory restrictions such as Do Not Disturb (DND) regulations, ensuring that customers receive critical updates and information.