Powerful messaging & calling
services built for India
Bulk SMS, OTP, WhatsApp Business API, voice calling, Telegram, and RCS, reliable, scalable, and DLT-compliant, with real API access and enterprise-grade customization behind every channel.
One platform, every channel your business needs
Every card below is a live service with its own API, dashboard, and pricing. Pick a channel to see full details.
Bulk SMS Services
Six SMS types under one gateway, from DLT-registered transactional alerts to promotional campaigns with built-in DND filtering.
Explore Bulk SMSWhatsApp Business API
Official API access with chatbot flows, agent handoff, and rich media, so support and marketing teams run on one WhatsApp number.
Explore WhatsApp APIRCS Messaging
Rich, interactive messages with images, quick-reply buttons, and a verified branded sender profile, the next step beyond plain SMS.
Explore RCS MessagingVoice Calling Solutions
Automated outbound voice campaigns plus free missed-call-alert numbers for high-response lead capture.
Explore Voice ServicesTwo-Way SMS & Long Code
Dedicated and shared long codes for two-way conversations, keyword auto-replies, and inbound campaign tracking.
Explore Long Code SMSBulk Telegram Messaging
Reach schools, communities, and customer groups directly on Telegram, an affordable channel for announcements and group alerts.
Explore Telegram MessagingAI Agent Builder
Build a no-code AI agent for WhatsApp, RCS, SMS, and Telegram. Train it on your knowledge base, set safety guardrails, and hand off to your sales or support team when needed.
Explore AI Agent BuilderWeb Chat Widget
Add a customizable live chat widget to your website in minutes. Route visitors to your AI agent, a WhatsApp Workflow, Journey Builder, or Direct WhatsApp.
Explore Web Chat WidgetBecome a Bulk SMS Reseller
Start your own SMS gateway business with zero investment and zero deposit. Buy units at a fixed price, resell at your own rate, and keep the margin, we don't take a cut.
Learn About the Reseller ProgramFrequently Asked Questions About Our Messaging Services
SMSGatewayCenter provides a variety of messaging services in India, including bulk SMS, OTP SMS, voice call services, long code SMS, SMPP connectivity, Telegram messaging, RCS messaging, and the WhatsApp Business API for seamless business communication.
Bulk SMS allows you to send promotional messages or transactional alerts to a large audience instantly, improving customer engagement and marketing efficiency.
The WhatsApp Business API enables businesses to send automated, personalized messages to customers on WhatsApp. SMSGatewayCenter offers seamless integration, allowing you to manage customer interactions efficiently.
OTP SMS provides one-time passwords for secure user verification during logins, transactions, or registrations, reducing the risk of unauthorized access.
SMPP connectivity uses the Short Message Peer-to-Peer protocol for high-speed SMS delivery. It's ideal for businesses with large-scale messaging needs, such as enterprises or aggregators.
Yes, SMSGatewayCenter's messaging services support global communication, with partnerships across 1,000+ mobile operators worldwide, ensuring reliable delivery.
Satisfied Clients
World's Popular Brands are some of our satisfied clients.
At SMS Gateway Center, we strongly believe no client is too big nor too small
to work with us to obtain good advantage.
