OTP SMS Service
Secure, instant one-time password delivery for user verification and authentication.
Our OTP SMS Service provides fast and reliable delivery of One-Time Passwords for user verification, login authentication, transaction confirmation, and identity validation. With delivery times under 5 seconds and automatic retry mechanisms, you can ensure your users receive their OTPs instantly, every time.
Everything You Get With OTP SMS Service
Under 5 Second Delivery
OTP messages are prioritized and delivered in under 5 seconds.
Auto-Retry Mechanism
Failed deliveries are automatically retried up to 3 times at no extra cost.
DLT-Compliant Templates
Pre-approved OTP templates ensure instant delivery without filtering.
Secure API
Encrypted API endpoints with authentication for secure OTP generation.
Real-Time Tracking
Monitor each OTP's delivery status with instant callbacks.
Bulk OTP Generation
Generate and send thousands of OTPs simultaneously.
Voice OTP Fallback
Optional voice OTP delivery if SMS fails.
24/7 DND Delivery
OTPs delivered to DND numbers anytime, day or night.
Why Choose Our OTP SMS Service?
Ultra-Fast Delivery
OTP delivered in under 5 seconds for seamless user experience and high conversion.
Reliable Infrastructure
Built on redundant infrastructure to help ensure OTPs reach users consistently.
Auto-Retry
Failed deliveries automatically retried for maximum success rate at no extra cost.
Simple Steps to Send OTP SMS Service
API Integration
Connect your app with our OTP API.
Generate OTP
Create OTP via API or our dashboard.
Send to User
OTP delivered instantly via SMS.
User Verifies
User enters OTP in your application.
Confirm Access
Verify and grant secure access.
How Businesses Use OTP SMS Service
Login Verification
Two-factor authentication for secure account access and login protection.
Banking Transactions
Confirm high-value transactions and fund transfers with secure OTPs.
Account Registration
Verify phone numbers during signup processes to prevent fake accounts.
Password Reset
Secure password recovery via mobile verification for account safety.
Pricing
OTP SMS starts at Rs 0.12 per SMS. High-volume discounts available. Includes auto-retry at no extra cost.
View PricingFrequently Asked Questions
What happens if OTP is not delivered?
Our system automatically retries delivery up to 3 times at no extra cost. You can also enable voice OTP as a fallback.
Is OTP SMS secure?
Yes, all OTP messages are transmitted via encrypted channels with secure API endpoints and authentication.
Can I customize OTP length?
Yes, you can set OTP length from 4 to 8 digits and include alphanumeric characters as per your requirement.
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Ready to get started?
Sign up today and get free credits to test our OTP SMS Service service.