Transactional Bulk SMS

SMS connects services all over the world. We offer outstanding service to wholesale clients in India.

Try us, You will love the RatSMS Experience

Features of Transactional SMS

Best-in-class Delivery

With our direct telecom partnership and intelligent routing technology, Rat SMS gateway assures the best deliverability and speeds.

24/7 Delivery

Your messages will be delivered round the clock with unmatched delivery rates & speed, even to DND numbers.

Best Delivery Rates

Assured low latency and best delivery rates in the business.

Well-documented APIs

Use our Universal REST APIs to integrate text messages into your apps, website, software, application, status updates, etc.


Simple & Easy-to-use API to send SMS.

Detailed Reporting

Clear and detailed reporting on the status of every single SMS.

Best Support

24×7 customer support via phone, email, WhatsApp, Online Remote.

Simple to Implement

Sign up and get started in less than 10 minutes, integrate easily using our REST APIs.

Superior Reliability

Best in class up times of 99.99% including operator up times.

What is Transactional SMS?

According to TRAI regulations, SMS sent by commercial entities are classified into Promotional Bulk SMS and Transactional Bulk SMS.

Transactional SMS related to a transaction/action (order confirmation, receipt of packages or an order, acceptance of payment, delivery confirmation or provision of a parcel at relay point, reminder, the confirmation message of reservation, appointment reminders, or appointment confirmation, etc.) in an application.

Transactional SMS allows you to send the right information at the right time on your customers’ smartphones. This will enable you to create and maintain a long and profitable customer rapport while improving customer loyalty.

As a well-known Transactional sms gateway provider in Chennai, we give you top-notch services. Rat SMS API examines every message group with the approved content template, if there is a mismatch all messages in the group will be processed through the Promotional SMS route.