India’s No.1 Bulk SMS
Service Provider
We TWENTY20 SMS Offer Bulk SMS Service and Business Whatsapp API in an affordable rates with NO Compromise in Service.
Transactional SMS
-
TWENTY20 SMS is a reliable bulk transactional SMS service provider trusted by businesses across India.
-
Enables the delivery of essential messages like OTPs, transaction alerts, booking confirmations, shipping updates, and billing details directly to customers' mobile phones.
-
Ensures quick and secure message delivery, helping businesses maintain smooth and uninterrupted communication.
-
Helps improve customer engagement and trust by delivering timely and accurate information.
-
Ideal for sectors like banking, e-commerce, travel, healthcare, and more.
Whatsapp Marketing
-
WhatsApp Bulk SMS is a powerful messaging solution that helps brands reach customers and prospects directly through WhatsApp.
-
Enables the delivery of promotional messages, special offers, updates, and alerts with real-time speed and visibility.
-
Ensures higher engagement and open rates compared to traditional SMS and email communication channels.
-
Perfect for marketing campaigns, event reminders, order updates, and direct customer support interactions.
-
We provide WhatsApp Business Verification and API integration for smooth, secure, and professional messaging.
Voice Call
-
Bulk Voice Call is a real-time audio service that enables businesses to reach multiple phone numbers at once using a pre-recorded or automated voice message.
-
Each message can be up to 29 seconds long, ensuring concise and effective communication with customers or audiences.
-
Commonly used in sectors like business, education, healthcare, e-commerce, and politics for important updates and announcements.
-
Ideal for sending alerts, promotions, and important updates directly to users.
-
Delivered as an MP3 voice file for easy reuse and tracking.
Why we’ re Better Flexible Affordable
We TWENTY20 SMS offer Bulk SMS Service in an affordable rates with NO Compromise in Service.
We are a Optimistic Company looking forward with Strong Service Expertise to provide High Quality Online Bulk SMS Service to Our Customers.
24x7 Live Technical Support
Get round-the-clock assistance from our expert team whenever you need it.
A Dedicated Team of Experts
Work with professionals who are committed to understanding and solving your unique challenges.
Affordable & Worth It
Enjoy premium services that deliver maximum results without stretching your budget.
User-Friendly Chat Interface
Experience smooth and intuitive communication with our easy-to-use, responsive chat platform designed for all users.
— 99.5 Customer Satisfaction
About Twenty 20 SMS
TWENTY20 SMS is a leading SMS API and cloud telephony provider with 9+ years of experience, trusted by businesses across India for reliable, innovative, and easy-to-use bulk SMS solutions.
Best Pricing
Choose a plan that fits your needs and budget — no hidden fees, just pure value.
Our Satisfied Customers
Why Top Brands Trust Our Expertise
Trust and Fast Response
Message Delivered
Active Customers
Happy Customers
Years in Business
Registered Office Address
No:36, RPM Street, 2nd Floor, LG Showroom Building, Sasthri Nagar, Krishna Nagar, Sankaranpalayam, Vellore, Tamil Nadu 632001
Contact Information
8610947196
Branch Office Address
No: 63/1, Pernambut High Road, Near LIC Office, Pernambut, Vellore - 635810
Contact Information
8610947196
Chennai Office Address
No:133/1, 1st Floor, Railway Colony, 1st Street, Nelson Manickam Road, Aminjikarai, Chennai - 600 029
Contact Information
8610947196
