Bulk SMS Services

Instant SMS delivery to millions of recipients with 100% DLT compliance and industry-leading delivery rates.

Why choose NudgeBox for SMS?

  • DLT Compliant with NDNC registry support
  • 99%+ delivery success rate with real-time reports
  • Instant OTP delivery for authentication
  • Personalized messages with variable substitution
  • Scheduled sending and recurring campaigns

Simple API Integration

curl -X POST https://api.nudgebox.in/api/sms/send \
 -H "X-API-Key: YOUR_API_KEY" \
 -H "Content-Type: application/json" \
 -d '{ "to": "+919876543210", 
 "message": "Your OTP is 123456", 
 "senderId": 12345, 
 "smsTemplateId": "string", 
 "unicodeSupport": false }'

How It Works in 4 Simple Steps

Start sending SMS quickly and compliantly.

1

Sign Up

Create your NudgeBox account. No credit card required to explore the dashboard.

What you need:
  • Email address
  • Company name
2

DLT Registration

Register your entity and templates with the DLT system for full TRAI compliance.

DLT Registration includes:
  • Entity registration
  • Template creation
3

Integrate API

Use our simple REST API or the web dashboard for manual batch sending.

Integration options:
  • REST API with webhooks
  • Web dashboard
4

Send & Track

Deliver your messages and track delivery rates in real-time analytics.

Real-time tracking:
  • Delivery reports
  • Performance analysis

Popular SMS Use Cases

See how businesses are using bulk SMS

OTP & Authentication

Send secure one-time passwords for login, transaction verification, and account access.

Marketing Campaigns

Reach customers with promotional offers, product launches, and seasonal campaigns.

Alerts & Notifications

Send urgent alerts, order confirmations, and shipment tracking updates instantly.

Ready to Transform Your Messaging?

Start sending messages today. No credit card required.