Bulk SMS Service Provider in Bangalore
Engage customers across Bangalore, Whitefield, Electronic City, and the entire Karnataka circle with promotional SMS, transactional alerts, and OTPs — starting at ₹0.15/SMS on DLT-registered routes.
Bangalore businesses rely on Duotech for
- OTP & transaction alerts for SaaS and startups
- Delivery & app-notification fallbacks for e-commerce
- Corporate event & training campaign blasts
- Appointment reminders for clinics and academies
Developer-first messaging for India's startup capital
From fintech startups in Koramangala to e-commerce and ed-tech companies across the city, we provide API-first bulk SMS that integrates with modern stacks.
API-First Platform
REST API and SDKs for PHP, Node.js, Java, and Python — built for developers.
DLT Handled For You
TRAI DLT registration, header and template approval managed end to end.
5-Second OTPs
Priority transactional routes with automatic carrier fallback for instant delivery.
Real-Time Reports
Per-campaign delivery logs, click tracking, and cost summaries.
How Bangalore businesses use bulk SMS
Messaging applications built for the city's technology, e-commerce, and education ecosystem.
SaaS & Fintech
Login OTPs, transaction alerts, and subscription-reminder messages for B2B and B2C SaaS products.
E-commerce & Retail
Order confirmations, dispatch notifications, and delivery-agent updates.
Ed-Tech & Training
Class reminders, payment reminders, and exam-schedule alerts for students.
Hospitals & Clinics
Appointment confirmations, lab-report notifications, and health-camp reminders.
Hospitality & Food Delivery
Booking confirmations, order updates, and loyalty-program promotions.
Co-working & Communities
Event invites, membership renewal notices, and community updates.
Per-SMS pricing built for high-volume senders
Volume discounts kick in automatically above 100K SMS/month. Every plan includes DLT support and a free sandbox.
Promotional SMS
Campaign messaging with smart time-window scheduling and opt-out handling.
Transactional SMS
OTPs and alerts with 99.9% uptime SLA and priority routing for Karnataka circle.
Bulk Volumes
Custom contract pricing for senders above 1M SMS/month. Talk to sales.
How DLT registration works
TRAI DLT registration is mandatory for all bulk SMS in India. We run the entire process for Bangalore and Karnataka businesses — you just approve the details.
Business Registration
We register your business on the DLT platform and obtain your Principal Entity ID (PE ID) — the 15-digit identity every sender needs.
Header & Template Approval
We set up your 6-character sender ID (e.g. DUOTCH) and submit your content templates for TRAI approval — including English and Kannada templates for Bangalore audiences. Approval typically takes 1–3 working days.
Go Live
Once templates are approved, you start sending. Transactional OTPs and alerts run 24×7; promotional SMS follow TRAI's 9 AM–9 PM window.
Frequently asked questions
Ready to send your first campaign in Bangalore?
Get a free sandbox account and a tailored quote within 4 working hours. Call +91-8800722190 or start below.