Bulk SMS Gateway India: Pricing, API & DLT Guide 2026
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Bulk SMS Gateway in India: Pricing, API & DLT Guide (2026)
Running a business in India without a reliable bulk SMS gateway in India is like trying to reach customers with your hands tied. Whether you're sending order confirmations, promotional offers, or OTP verifications, SMS remains the most effective communication channel with 98% open rates.
However, after TRAI introduced DLT regulations, businesses now struggle with compliance, pricing transparency, and choosing a trusted SMS service provider in India . This guide explains everything — pricing, API integration, and DLT registration — in simple language.
What Is a Bulk SMS Gateway?
A bulk SMS gateway allows businesses to send large volumes of messages simultaneously through telecom operators like Airtel, Jio, Vi, and BSNL. Leading bulk SMS service providers in India use direct operator connectivity to ensure fast delivery and high success rates.
If your business operates in metros, choosing a bulk SMS service in Mumbai or pan-India gateway ensures consistent performance across regions.
Why Your Business Needs a Professional SMS Gateway Provider
Using an unverified SMS gateway may save a few rupees initially, but businesses often face delivery failures, blocked routes, and customer complaints. Industry-specific solutions like healthcare SMS services , logistics SMS solutions , and real estate SMS marketing prove how professional gateways directly improve conversions.
- Instant delivery within 2–5 seconds
- 98%+ delivery success rate
- Complete DLT compliance
- Real-time delivery reports
Bulk SMS Pricing in India (2026)
Promotional SMS
Promotional messages are ideal for offers and campaigns. For large campaigns, businesses prefer a bulk SMS service in India that supports high throughput.
- Price: ₹0.11 – ₹0.25 per SMS
- Time: 10AM – 8 PM only
- DND delivery: Not allowed
Transactional SMS
Transactional SMS includes OTPs, alerts, and notifications. These require a transactional SMS gateway with DLT compliance.
- Price: ₹0.18 – ₹0.30 per SMS
- 24×7 delivery
- DND numbers supported
SMS API India: Automation & Integration
A powerful SMS API provider in India allows automatic message delivery from websites, apps, and CRMs. Event managers often rely on SMS APIs for event organizers for instant attendee updates.
For large-scale automation, choose a bulk SMS API integration platform with webhook and personalization support.
OTP & Secure Authentication via SMS
OTP-based authentication is critical for secure logins and transactions. Businesses can buy OTP services online to protect user accounts and prevent fraud.
Modern platforms allow companies to buy OTP services to grow their platform with SMS, voice, and missed-call OTP options.
DLT Registration: Mandatory Compliance
DLT registration is compulsory for all commercial SMS. Learn why DLT registration is mandatory in India and how it ensures transparency.
- SmartPing DLT Registration
For hassle-free onboarding, refer to the complete DLT Registration Guide 2026 .
Why Choose SMSGatewayHub?
SMSGatewayHub is recognized as a best SMS gateway provider in India for businesses across retail, healthcare, logistics, and enterprises.
- No setup or hidden charges
- 99.5% delivery success rate
- Lifetime credit validity
- Free DLT registration support
- Dedicated account manager
Get Started Today
Whether you need OTP authentication, transactional alerts, or promotional campaigns, SMSGatewayHub offers a reliable bulk SMS service provider in India with transparent pricing and enterprise-grade delivery.
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