Chennai's Trusted SMS Gateway Provider
Serving 800+ businesses across Chennai with reliable bulk SMS, OTP services, and transactional messaging. Local support in Tamil and English.
Trusted Across Chennai
SMS Solutions for Chennai Businesses
Healthcare SMS
Appointment reminders, test results, and patient communication for Chennai's hospitals and clinics.
- HIPAA-compliant messaging
- Appointment confirmations
- Medicine reminders
- Bilingual support (Tamil/English)
Manufacturing & Auto
Order updates, inventory alerts, and supply chain communication for Chennai's industrial sector.
- Production alerts
- Supplier notifications
- Delivery tracking
- Employee communication
IT & Software
OTP authentication, system alerts, and customer notifications for Chennai's tech companies.
- 2-6 seconds OTP delivery
- API integration
- Real-time webhooks
- Developer-friendly docs
Serving All Chennai Business Districts
💼 OMR & Thoraipakkam
IT companies and tech startups use our SMS API for user authentication and notifications.
🏢 Anna Salai & T Nagar
Retail stores and jewelry shops leverage our bulk SMS for customer engagement and offers.
🏥 Adyar & Velachery
Hospitals and diagnostic centers trust our platform for patient communication.
🏭 Ambattur & Guindy
Manufacturing units and auto companies use SMS for supply chain coordination.
🎓 Tambaram & Chromepet
Educational institutions send exam alerts and parent communication via our platform.
🏦 Mylapore & Nungambakkam
Banks and financial services rely on our secure OTP delivery for transactions.
Why Chennai Businesses Choose Us
Tamil Language Support
Send SMS in Tamil, English, or both. Our support team speaks Tamil and understands local business needs.
Competitive Pricing
Starting at ₹0.10/SMS with volume discounts. Special rates for Chennai-based businesses.
Fast Delivery
Direct connections with all operators ensure messages reach Chennai numbers within seconds.
DLT Compliance
Fully compliant with TRAI DLT regulations. We help with registration and template approval.
Real-Time Reports
Track every message with detailed delivery reports and analytics dashboard.
Local Support Team
24/7 support from our Chennai-based team. We understand your timezone and business culture.
Industries We Serve in Chennai
🏥 Healthcare & Diagnostics
Apollo, Fortis, and 100+ Chennai hospitals use our platform for appointment reminders, test results, and patient engagement.
🚗 Automotive Manufacturing
Auto component manufacturers in Ambattur use our SMS for supply chain coordination and employee communication.
💻 IT & Software Services
Tech companies in OMR corridor integrate our OTP API for secure user authentication and notifications.
🏪 Retail & E-Commerce
T Nagar retailers and online stores use bulk SMS for promotional campaigns and order updates.
"We send 50,000+ appointment reminders monthly to our Chennai patients. OnlineSMSService's Tamil support and reliable delivery have been excellent for our hospital."
Dr. Rajesh Kumar
Director, LifeCare Hospital, Chennai
Ready to Get Started in Chennai?
Join 800+ Chennai businesses using our SMS platform. Start with 10,000 free credits.