India’s No. 1 Bulk SMS Platform.

Increase sales and customer satisfaction with smarter SMS campaigns, Instant OTPs, Notifications, Alerts & Smarter Bulk SMS Offers via Web Portal, APIs, and other award-winning bulk SMS services.

Promotional SMS Starting @ ₹ 1,299
Promo DND SMS Starting @ ₹ 1,399

Test our server speed & GET 20% Offer

Share menus, brochures, images, PDFs & more as web links in your SMS and increase campaign effectiveness.

An efficient method of promotion to a large subscriber base in quick time, the platform can be customized for various industries like - BFSI, Real Estate, Education, Healthcare, FMCG, Communication, Broadcasting, Entertainment, IT, Tourism, Leisure and others.

Our Features

Focused on results we seek to raise the level of our customers.


Our direct partnership with multiple telecom operators and smart SMS gateway technology ensure best-in -class delivery rates & speeds.


Multiple operator support ensures that one of our operators will automatically start working if the other is inactive.


Our Smart Routing helps transmit your bulk sms over multiple network routes carrying least traffic.


Free API Integration with your software or website.


Smart HTTP, XML, SMPP API's that enable you to send SMS right from your software/web application.

Rat SMS is an SMS Marketing Company that only believes in action. You get our exclusive 99.98% SMS Gateway uptime guarantee for total peacefulness.

About the Company

With over 5+ years of experience, Rat SMS is the #1 rated Bulk SMS Service platform. We are Direct telecom operator connectivity with Airtel, BSNL, Vodafone, etc.

Our strength

Our Clients can instantly trigger cost-effective bulk SMS campaigns to thousands of customers. We provide Free DLT Registration and Free SMS API to our clients.

Our simple platform helps you to Send Promotional, Marketing, OTP, Multimedia & SMS API

Schedule SMS

No Matter what you are doing right now, just schedule your sms according to your preferred time, SMS auto blast according to schedule time.

Bulk SMS To

DND Numbers

We have a separate route for sending promotional SMS To DND Numbers across India.This technique helps to increase your sales leads.

Support Resellers

Promote Rat SMS services under your brand to your customers, We are designed to resell our SMS credits to your Clients for individual and business purposes.

Our Services

You can try our Service and explore for yourself why we are the leading SMS service providers in chennai

The security of your data has never been more important than now. Transactional SMS is used by businesses to relay transactional information. Transactional bulk service helps to send the message only to the subscribed users and the content of the sms should be only informative and transactional details. Any transactions made by the user, updates in her/his account, critical alerts are all sent in Transactional SMS.

As soon as your customer finishes their action, they will receive an OTP within 8 seconds. You can Easily Send Instant OTP to the user’s mobile number who starts off the request, Alerts & Smarter Bulk SMS Offers via Web Portal, APIs. We value your authentication factor of choice; Since OTP is the second layer of defense against financial frauds, we uphold reliability.

Promotional SMS helps to increase awareness or to create your brand loyalty, we provide you liberal promotional Bulk SMS service. We send promotions, discounts, and offers to new and existing customers, We are sending promotional SMS To DND Numbers, provide bulk SMS for all sizes of businesses, across industries and geographies. Customize your promotional messages as per your target customers.

We appreciate your business enquiry. Our team will respond within 24 business hours with Packages and Pricing information.

Our Location!