India No.1 OTP Service Provider

Fastest Way to
Verify Users

Send OTP without DLT Registration & Facebook Account – Fast & Easy

About HanuOTP: We are a leading User Authentication & Verification Service Provider. Secure your applications instantly with our highly reliable SMS and WhatsApp OTP APIs. Ensure 99.9% delivery rates for seamless user onboarding.

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No Credit Card
50 Free Credits
24/7 Support
OTP Illustration
WhatsApp
Delivered
SMS OTP
Verified
Ultimate Promotional Platform

Grow Your Business
Without Saving User Numbers!

Get direct access to our 90 Crore+ Pan India Database. Our advanced, user-friendly platform handles all your promotions smoothly.

SMS
WhatsApp
Email
RCS
Start Your Campaign Now
Grow your business digital marketing
Advanced DLT SMS API
For Advanced Users & Enterprises

Enterprise-Grade
DLT SMS Delivery

Send TRAI-compliant Transactional and Promotional messages with zero hassle. Our advanced infrastructure guarantees maximum throughput and 99.9% uptime for high-volume senders.

High Throughput
10,000+ SMS/second
100% Compliant
TRAI & DLT Ready
Read DLT Guidelines Explore API

10M+

OTPs Delivered

99.9%

Success Rate

5000+

Happy Developers

Our Services

Comprehensive OTP Solutions

Choose the best verification channel for your users with our multi-channel platform.

SMS OTP

Traditional and reliable SMS verification. Global coverage with high delivery rates and intelligent routing to ensure delivery.

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WhatsApp OTP

Modern and cost-effective verification via WhatsApp. Higher open rates, trusted brand identity, and better user convenience.

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Voice OTP

Secure voice call verification for users who cannot receive SMS. Ideal for landlines and visually impaired users.

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DLT SMS

Send DLT compliant Transactional & Promotional SMS directly to your users with verified Sender IDs and Templates.

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EXCLUSIVE RESELLER PROGRAM

Start Your Own SMS Business

Get our special mega package and become a partner. Start reselling under your own brand with the lowest rates in the industry.

Mega Starter Pack

₹2 Lakh

Get 12.5 Lakh SMS instantly.

  • Zero Setup Fees
  • 100% White-Label Platform
  • Dedicated Account Manager
Apply Now

Unbeatable Reseller Rates

DLT SMS
₹0.15 /sms
OTP
₹0.15 /otp
Marketing Email
₹0.08 /email
WhatsApp
₹0.90 /msg
Standard SMS
₹0.20 /sms
RCS Message
₹0.20 /msg

1. Connect APIs

Integrate our APIs easily and use our robust infrastructure.

2. Set Your Price

Create packages and sell to your customers at your own rates.

3. Keep the Profit

Earn the margin difference. The more you sell, the more you make.

Security
Why Choose Us

Enterprise-Grade Security & Performance

Lightning Fast Delivery

Our intelligent routing engine ensures your OTPs reach users in under 5 seconds, maximizing conversion rates.

Bank-Grade Security

End-to-end encryption, GDPR compliance, and ISO 27001 certified infrastructure to protect sensitive user data.

Developer Friendly API

Integrate in minutes with our robust REST APIs, comprehensive documentation, and SDKs for all major languages.

Ready to Secure Your App?

Join thousands of developers trusting Hanu OTP for their verification needs.

Start Free Trial Talk to Sales Reseller Program