OTP & Authentication
Verify logins, payments, and sign-ups with OTPs that reach customers in seconds.
Reach Everyone
on Any Mobile Phone
With SMS
Send OTPs, payment alerts, and festive offers that reach any mobile in seconds, without internet or apps.
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OTPs Within Seconds
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DLT-Ready Templates
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Real-Time Reports
The Right SMS for
Every Touchpoint
Send login OTPs, order and shipping updates, appointment reminders, and festive promotions, then answer whenever customers text back, all from one Growtele dashboard built for volume.
Transactional SMS
Send order confirmations, shipping updates, and delivery alerts to customers the moment they happen.
Promotional SMS
Send festive discounts, flash-sale alerts, and coupon codes to opted-in mobile subscribers.
Two-way SMS
Let customers reply by SMS for support, feedback, delivery slots, and confirmations.
Built for Scale.Designed for High Volume.
Send millions of SMS daily with intelligent routing, DLT-ready templates, and delivery reports for each one.
Smart Routing
Every SMS takes the fastest operator route, so OTPs and alerts arrive on time.
SMS Gateway
Trigger OTPs, order updates, and payment confirmations directly from your app.
Click Tracking
Shorten promotion and cart-reminder links, then track exactly who clicked.
Campaigns
Upload contacts, choose a DLT template, and schedule campaign launches.
What You Gain With
the Growtele SMS API.
Send every OTP, bank alert, and offer on time, stay DLT compliant under TRAI rules, and and track each delivery.
High DeliverySuccess Rate
Direct operator connections and smart routing get more OTPs and alerts delivered.
Delivery inSeconds
OTPs, alerts, and updates arrive
in seconds across India and
200+ countries.
Real-time
Reports
Track sent, delivered, failed, and clicked messages for every campaign on one dashboard.
Secure &
Compliant
DLT template scrubbing and DND filtering keep every promotion within TRAI regulations.
Why SMS Stays the
Most Trusted Channel
SMS reaches every handset without apps or internet, so banks and retailers depend on it for authentication.
Instant Communication
Deliver timely notifications, alerts, and updates that keep customers informed and engaged.
Enterprise-Grade Reliability
Built on secure, high-availability infrastructure for uninterrupted business communication.
Worldwide Connectivity
Expand your reach with global messaging capabilities across multiple operators and regions.
99.9% Delivery
Ensure messages reach customers quickly and reliably.
SMS for every
stage of your funnel
From the first offer to the repeat order, the Growtele SMS API helps you win, engage, and keep customers for longer.
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Personalized Messages
Add each customer's name, last order, city, or loyalty tier, so every message reads like it was written personally.
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Triggered SMS Alerts
Send an SMS automatically when a shopper abandons a cart, a price drops, or a wishlisted product is restocked.
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Shoppable Links
Short links in every promotion take customers straight to checkout, so purchasing takes a single tap.
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Lead Generation
Collect new leads through SMS keyword opt-ins, website forms, and missed call services.
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Seasonal Promotions
Run festive sales, limited-time offers, and coupon codes that bring in new customers.
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Welcome & Onboarding
Greet new sign-ups with a welcome SMS, a first-order discount, and next steps.
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Loyalty Programs
Send points balances, member-only offers, and reward reminders to your best customers.
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Win-Back SMS Campaigns
Bring inactive customers back with a personal note and a time-bound comeback offer.
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Upsell & Cross-sell
Suggest add-ons and upgrades based on what each customer has already bought.
Everything You Need to Know About Our SMS
Quick answers about SMS delivery speed, OTP authentication, delivery reports, enterprise volumes, DLT rules, and campaigns.
Growtele delivers OTPs, alerts, and SMS campaigns in seconds,
with live delivery reports for each message, to phones in India and
across 190+ countries.
Yes. Our OTP API sends login, sign-up, and payment codes over priority transactional routes, so they reach customers within seconds, and you can track the delivery status of every code.
Yes. Every message comes with a live delivery report showing whether it was delivered, pending, or failed, and the dashboard rolls it all up into campaign analytics you can review anytime.
Yes. You can send millions of SMS a day with intelligent routing across operators, DLT-ready templates, and reliable delivery to phones in India and 190+ countries.
Yes. Upload your contact list, pick a DLT-approved template, personalize it with names or offers, and schedule it for the right time. Then track deliveries for the whole campaign from your dashboard.
