Bulk SMS Gateway Kolkata

Bulk SMS Service Kolkata Our simple Platform helps you to send Promotional Marketing, OTP & API SMS.


Try us, You will love the RatSMS Experience

Premium Route

Lightning Premium SMS Gateway to deliver SMS instantly across any networks without any delay.

Schedule SMS

Schedule sms feature to make events and festivals memorable. Schedule SMS to be sent at a future date & time.

Unicode SMS

Unicode SMS allows you to send Bulk SMS in your regional language which helps to target your local audience.

Best Bulk SMS Service Provider in Kolkata

  Bulk SMS service for any kind of business in Kolkata, Whether you want to promote your product/business in Kolkata in a specific city, Rat SMS is ready to help for getting leads using bulk SMS

  We have been in this field for many years so we know effective marketing strategies along with sending bulk SMS systems

  Bulk SMS Kolkata helps to interact with your target people through the create catchy messages then people will see your SMS and contact you

  We helped to grow their business using promotional bulk SMS.

  Rat SMS can also help any business resellers using the cheapest SMS gateway India which provides service through all over India

Advantages :




Support 24*7 


No Setup Cost 


Easy to Use 

Why You Need to Choose Bulk SMS Kolkata

  Kolkata is the capital of West Bengal, it is also known as the Black City

  If you want to make your business Successful in Kolkata, don’t worry Rat SMS Provides the best Bulk SMS Service for your product so you can easily promote your business

  Get started today and take your brand to new heights with Rat SMS bulk SMS service.

Why Choose Us?

  If you want to promote your business, then choose a bulk SMS service in Kolkata. Rat SMS provides Transactional SMS, Promotional SMS, OTP SMS, Service implicit,etc. Rat SMS supports all bulk SMS resellers who cannot afford the direct tie-up cost with Telecom operators. Purchasing SMS services from us gives you the benefit of lower set-up cost & set-up time with free SMS Api.

Try: Bulk SMS Service provider Kollam

Global Reach

Delivering Your SMS Needs to 200+ Countries Seamlessly.

Load Balancing

Send unlimited sms with no fear. Push any size of campaign we ensure instant delivery with load balancing features.

High Up-time

99.99%+ Server up-time with API, Strong dedicated infrastructure 38 dedicated team members to keep services up.

Instant Delivery

Lightning fast sms delivery with premium sms gateway.




Promotional SMS

Transactional SMS