Send business text messages with a leading SMS provider.
Achieve the highest SMS delivery rates worldwide using a reliable A2P SMS service from Tetrax. Build trust and scale your operations with carrier-grade networks.
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DLT SMS Categories
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Transactional Delivery
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OTP Delivery Target
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Auto-Refund Coverage
DLT-registered carrier routing
Built for developers shipping OTP, transactional & promotional SMS in India
Use Cases
Complete business messaging solutions
Our business SMS service supports a variety of use cases with the highest delivery rates, industry-leading fraud protection, and rich personalization features.
Transactional SMS
Deliver order confirmations, shipping updates, payment receipts, and low-balance alerts 24/7 with full DND bypass.
Explore Transactional SMSAuthentication / OTP SMS
Verify user identities with sub-second OTP and MFA security tokens. Delivered 24/7 on high-priority bypass queues.
Explore Authentication / OTP SMSPromotional SMS
Broadcast seasonal offers, discount coupons, and sales alerts. Sent between 9:00 AM and 9:00 PM IST with 6-digit numeric headers.
Explore Promotional SMSService / Alert SMS
Send critical operational notifications, appointment reminders, flight updates, and server outage alerts 24/7 without delays.
Explore Service / Alert SMSService Explicit SMS
Deliver consent-based loyalty rewards and account recommendations to registered opt-in subscribers during daytime hours.
Explore Service Explicit SMSIndustries
SMS solutions for every industry
From tech startups to large enterprises, we have learned to tackle common challenges in every industry.
Financial Services
Reach, engage, and retain more clients with targeted text message marketing solutions for finance.
Explore SMS for FinanceeCommerce
Boost your webshop's results and customer experience with targeted SMS campaigns, personalized promotions, and real-time notifications.
Explore SMS for eCommerceEnterprise
Engage more customers around the world using a reliable and globally compliant enterprise SMS solution, with high delivery rates and leading customer support.
Explore SMS for EnterpriseTelecoms
Enhance your telecom services with our reliable SMS solutions, ensuring seamless communication and customer engagement.
Explore SMS for TelecomsReal Estate
Streamline your real estate operations with SMS alerts, appointment reminders, and client updates via simple text.
Explore SMS for Real EstateTravel & Hospitality
Elevate guest experiences and improve your processes with SMS booking confirmations, personalized offers, and instant customer support.
Explore SMS for HospitalityPricing
A pricing model that scales with you
Whether you are a startup or a large enterprise, we have a billing model that grows with your traffic.
Advanced Features
Elevate your business SMS communication
Personalize messages with template variables
Register DLT-approved templates with {#var#} placeholders and inject customer-specific values — names, order IDs, OTPs — in a single API call. Every dispatch is validated against your registered template before it leaves the platform.
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Developer-First API
Quickly connect to our flexible SMS API
Start sending programmable SMS messages with our comprehensive API and build the experiences your customers expect:
- ✓Basic or fully featured API endpoints
- ✓Advanced parameters (variables, dynamic payload)
- ✓DLT template pre-validation built-in
- ✓Clear, developer-tested API documentation
- ✓Technical support from real engineers
Why Tetrax SMS
Everything your messaging stack needs
From DLT registration to delivery receipts, the platform handles the hard parts of Indian business messaging so your team ships features, not infrastructure.
Transactional, OTP, Promotional, Service Implicit & Explicit — all supported with template pre-validation.
OTP and transactional templates bypass DND windows and deliver round the clock on priority routes.
OTP templates dispatch on high-priority routes with automatic carrier failover.
Failed deliveries are automatically credited back to your prepaid wallet in real time.
Buyer Guide
How to choose an SMS provider
Choosing the right gateway vendor determines whether your verification codes arrive under 3 seconds or fail to reach recipients entirely. Examine these key criteria.
Need expert guidance?
Talk to a real SMS infrastructure engineer — not a bot. We typically reply within a few hours.
Choose a provider with a proven track record of handling high text message volumes. If a provider is not transparent about their SMS delivery rates, it could indicate messages are not consistently reaching recipients.
Support
Frequently Asked Questions
Understand business SMS characteristics, DLT compliance, routing, and API details. Can't find what you need? Our team is one message away.
Still have questions?
Talk to a real engineer — not a bot. We typically reply within a few hours.
A business SMS is a Short Message Service (SMS) used for business communications (A2P). It is the most dependable and widespread method of reaching customers globally. Business SMS does not require internet connectivity, making it compatible with all types of mobile devices. It is a fast and secure channel suitable for two-factor authentication, and can be automated and personalized.
