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.

With 23 billion messages exchanged globally every day, SMS is one of the most ubiquitous and reliable means of communication.

About the Company

RAT SMS is one of the leading and reliable Bulk SMS Service providers in India. We are Direct telecom operator connectivity with Airtel, BSNL, Vodafone, etc.

Our strength

We have 1000+ Happy SMS Clients Over 3 Years Of Experience And We Presence 7+ Major States In India. Rat SMS assures the best deliverability with a 99.8% Success rate.

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

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.


Communicate with your prospects at extremely competitive price services.We use reliable, fast & secured technology to handle high volumes data.

Smart SMS Campaign

Import and Send your documents, Files, Images, Videos using our smart SMS Service, Get Free ₹20 Credit After Signup.

Our Services

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

We provide Transactional SMS for all kinds of industries, Transactional SMS is used by businesses to relay transactional information. it contains only Transactional details. You can opt for this service to send vital information on time. You can send payment reminders, account balance, or invoice amounts through such messages. There is no time restriction for transactional bulk SMS.

Bulk SMS for OTP is the first choice for distributing OTP. As SMS reaches within seconds. It is a very cheap source of conveying confidential information. The mobile phone is carried by the users at all times. This makes it the perfect option for sending OTP. OTP service serves as a reliable and safest medium for transmitting crucial information.

Promotional SMS service that makes your marketing more effective. Rat SMS helps to send any promotions, discounts, and offers to new and existing customers using promotional SMS Service. The SMS content is purely meant to promote a service. You can schedule your SMS to remind you of any events, meetings, or what groceries you need to pick up at the end of the day.

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

Our Location!