Ultra-Fast Mobile OTP Delivery for India
Deliver verification SMS codes to any Indian mobile number in under 2.5 seconds. No DLT registration required, zero delays, and enterprise-grade 99.98% delivery rate.
Your Flarelax security verification OTP code is:
Simple, Transparent Mobile OTP Plans
One-time purchase plans with a full 1-year validity. No monthly hidden fees or recurring subscriptions.
5,000 OTPs
Ideal for growing mobile apps, startups, and early authentication needs.
Sub-2.5s priority delivery
Use credits over 365 days
Instant API access without docs
Webhook delivery callbacks
10,000 OTPs
Best value for scaling businesses, e-commerce, and high-frequency logins.
Sub-2.5s priority delivery
Use credits over 365 days
Instant API access without docs
Webhook delivery callbacks
Mobile OTP Features
Everything your product needs to authenticate users via Indian SMS without delays.
High Speed OTP Delivery
Sub-2.5 second SMS delivery with priority operator routing.
No DLT Registration
Skip paperwork, tedious templates, and government portal headaches.
Send to Indian Numbers Only
Optimized exclusively for +91 telecom networks (Jio, Airtel, Vi, BSNL).
HTTPS API Request
Clean, robust REST API that takes less than 5 minutes to integrate.
Real-Time Delivery Reports
Instant webhooks and live delivery status logs for complete transparency.
Intelligent Carrier Failover
Dynamic multi-carrier redundancy to eliminate SMS drops.
How High Speed OTP Delivery Works
From your application to the user's mobile screen in three instant steps.
1. Trigger API Request
Your backend or app sends a secure HTTPS POST request with the Indian recipient's phone number.
2. Dynamic Carrier Routing
Flarelax instantly analyzes carrier health and dispatches via the fastest direct Indian telecom node.
3. Instant SMS Receipt
The user receives the verification code in under 2.5 seconds, completing their verification without dropoff.
Integrate in Minutes with Any Stack
A modern RESTful API designed for developers. Send single or bulk OTP requests with clear JSON responses and actionable status codes.
curl -X POST https://api.flarelax.com/v1/mobile-otp/send \
-H "Authorization: Bearer YOUR_FLARELAX_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"phone": "+919876543210",
"otp_length": 6,
"expiry_seconds": 600,
"app_name": "MyPortal"
}'Frequently Asked Questions
Got questions about Mobile OTP? We've got answers.
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