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OTP Authentication Service – Unique Digital Outreach
We Charge ₹0 Account Opening Fee & ₹0 Subscription Fee

No setup cost. No monthly minimum. No contract. Pay only for the OTPs your users actually receive — not a paisa more.

Zero Account Opening Fee
Zero Monthly Subscription
Pay Per Delivered OTP
No Hidden Charges

Trusted by Brands

Simple Pricing

One Flat Rate. No Surprises.

Pay only when your OTP is delivered. No minimum volumes, no tier confusion, no monthly commitment.

SMS OTP — Best Value ₹0.13 per delivered OTP message
  • ✓Delivered to any Indian mobile number
  • ✓Premium route via Airtel & Jio
  • ✓Auto switch-over on telecom failure
  • ✓Instant delivery acknowledgement
  • ✓Zero account or subscription fee
  • ✓Pay only on confirmed delivery
  • ✓Unlimited API calls
Get Started Free →
Instant Delivery

OTPs reach your users in under 1 second via our direct premium route with Airtel & Jio. Auto Switch-over to a backup operator guarantees zero interruption — even during telecom outages.

Cost Saving Example

Send 10,000 OTPs/month via SMS → ₹1,300 total. Other providers charge ₹1,500–₹2,000 for the same volume with hidden platform fees on top.

Volume Discounts Available

Sending more than 1 lakh OTPs per month? Talk to us — we offer custom pricing that scales with your business without sacrificing quality or reliability.

Platform Features

Built for Reliability at Every Scale

Every feature is engineered so your users receive their OTP on the first try — every time.

Auto Switch-over

Ensures uninterrupted OTP delivery by automatically rerouting messages to another telecom partner in case of downtime or failure.

Premium Route

Direct connectivity with telecom operators like Airtel and Jio for faster delivery and low latency. Your OTP reaches users instantly — in under 1 second.

Clickable Reports

Track real engagement with detailed reports showing how many users clicked the links in your OTP SMS — go beyond simple delivery stats.

Real-time Delivery Dashboard

Monitor every OTP in real time. Know exactly which messages delivered, which failed, and why — with timestamps down to the millisecond.

Delivered successfully 94.2%
Pending / retrying 4.1%
Failed (not charged) 1.7%

Voice OTP Fallback

If SMS fails to deliver, automatically trigger a voice call that reads the OTP aloud. Your users are always reached — zero drop-off.

FAQ

OTP Authentication — Common Questions

Everything you need to know before sending your first OTP.

SMS OTP is ₹0.13 per delivered message. There are zero account opening fees and zero subscription fees — you pay only when the OTP is confirmed delivered.
No. If an OTP fails to deliver for any reason — DND, invalid number, telecom outage — you are not charged. You pay only for OTPs that reach the end user's device.
Average delivery time is under 1 second for SMS via our premium route (direct connectivity with Airtel and Jio). In case of a telecom failure, our Auto Switch-over feature reroutes to an alternate operator automatically.
Our REST API accepts a simple POST request with the mobile number, channel (SMS or WhatsApp), OTP length, and expiry. You receive a response in under 100ms. Full documentation, code samples in Node.js, Python, PHP, and cURL are available after signing up. Most teams go live within 30 minutes.
Yes. All OTP messages are routed through TRAI-registered DLT-compliant routes. Transactional OTPs are exempt from DND filters under TRAI guidelines, ensuring reliable delivery to all Indian numbers. We help you with DLT template registration if needed.
Yes — we provide a free sandbox environment. In sandbox mode your API calls are processed identically but no real SMS/WhatsApp is sent, so you can test your integration completely before going live without any cost.
Start Today

Send Your First OTP in Under 30 Minutes

Zero account fees. Zero subscription. Just ₹0.13 per delivered OTP. Get your API key, integrate, and go live — today.

Get API Key — It's Free → Talk to an Expert
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