If you're looking for the most efficient way to engage customers in India, bulk SMS still reigns supreme. With a 98% open rate and instant delivery, SMS remains one of the most reliable communication channels for businesses of all sizes. But with so many options available, choosing the right provider can be overwhelming.

That’s why we’ve curated a list of the top bulk SMS providers in India, helping you compare features, pricing, and what sets them apart. Whether you're a startup, eCommerce brand, educational institution, or enterprise, the right bulk SMS partner can help you scale communication, improve ROI, and ensure timely delivery.

What to Look for in a Bulk SMS Provider?

Before we dive into the list, here are some key criteria you should consider:

• ✅ DLT Compliance & Government Approval

• ✅ High Delivery Rates & Real-Time Analytics

• ✅ Easy API Integration

• ✅ Scalability for Bulk Messaging

• ✅ Support for Transactional & Promotional SMS

• ✅ 24/7 Customer Support

• ✅ Affordable & Transparent Pricing

Top Bulk SMS Providers in India (2025 Edition)

1. TrustSignal – Powering Secure, Scalable, and Smart Messaging

TrustSignal is one of the fastest-growing bulk SMS providers in India, known for its powerful messaging infrastructure and enterprise-grade reliability. With a strong focus on DLT compliance, global reach, and rich APIs, TrustSignal makes business communication seamless and effective.

Key Features:

• Blazing-fast SMS delivery via secure, Tier-1 telecom routes

• DLT registration assistance

• Transparent pricing—no hidden charges

• URL shortener + click tracking

• 24×7 human support

• WhatsApp, RCS & voice integration options

• Powerful dashboard + SMS API for developers

Why TrustSignal?
Whether you're sending OTPs, updates, or offers, TrustSignal ensures your messages land on time—with analytics to track performance. Trusted by fintechs, edtechs, and growing brands.

Best For: Scalable SMS + omnichannel CPaaS integration
 

2. MSG91

MSG91 is a well-established name in India's messaging ecosystem, offering robust APIs and bulk SMS services for transactional and promotional needs.

Pros: API-rich platform, good documentation, reliable delivery
Use Case: OTPs, eCommerce, healthcare notifications

3. TextLocal

Known for its user-friendly interface and powerful reporting tools, TextLocal is ideal for businesses looking for plug-and-play SMS marketing.

Pros: Rich dashboard, short link tracking, easy-to-use tools
Use Case: Marketing campaigns, SME communications

4. Kaleyra

A global CPaaS platform with a strong presence in India, Kaleyra supports not only SMS but also WhatsApp, voice, and push notifications.

Pros: Enterprise-grade infrastructure, omni-channel support
Use Case: Enterprises, banks, and large platforms

5. Solutions Infini (now part of Tanla)

Solutions Infini is a trusted player offering enterprise messaging and CPaaS capabilities with a strong focus on security and uptime.

Pros: Strong DLT compliance, customizable APIs
Use Case: Banking, insurance, logistics

6. Gupshup

Gupshup offers advanced tools for conversational messaging and supports both SMS and WhatsApp via chatbot integration.

Pros: Chatbot builder, API-first architecture
Use Case: Retail, finance, conversational marketing

Choosing the Right SMS Provider for Your Business

When choosing the right bulk SMS provider in India, consider your volume needs, industry requirements, budget, and use cases. If you're looking for a platform that combines power, flexibility, and compliance—TrustSignal is an excellent choice.

Final Thoughts

The right bulk SMS provider doesn’t just help you send messages—it helps you build trust, engagement, and customer loyalty. Whether you're sending OTPs, updates, or running promotional campaigns, having a reliable messaging partner is key to success.

Looking for a future-ready solution?

Choose TrustSignal – The Smartest Bulk SMS Platform for Modern Businesses.