How FlexyPe Scaled OTP Delivery & Reduced Costs with Combirds

99%+

Real Time OTP Delivery

99.5%+

OTP Delivery Success Rate

12K-15K/day

Scalable OTP Throughput

40-50%

Drop in Login Failures

25-35%

Cost Optimization in Messaging

20-30%

Growth in Conversion Rates

April 07, 2026

Overview

FlexyPe, a fast-growing checkout infrastructure platform, transformed its OTP delivery performance and cost efficiency using Combirds' messaging infrastructure.

By leveraging Combirds' high-speed SMS and OTP delivery system, FlexyPe built a reliable, scalable authentication layer—powering seamless one-click checkouts for 500+ eCommerce brands.

As OTP became mission-critical for login, checkout authentication, and fraud prevention, Combirds enabled FlexyPe to scale effortlessly while maintaining speed, reliability, and cost control.

Profile

FlexyPe is a modern checkout infrastructure platform designed to improve conversion rates for eCommerce businesses through frictionless one-click checkout experiences.

The platform supports 500+ brands and handles thousands of daily authentication requests, where OTP plays a crucial role in:

Secure user login
Checkout authentication
Fraud prevention

With rapid growth, maintaining fast and reliable OTP delivery became essential to revenue and user experience.

The Challenge

As FlexyPe scaled its operations, OTP infrastructure limitations started affecting performance and costs:

High OTP Dependency: OTP was critical at the final checkout step
Increasing Traffic: Daily OTP volume scaling rapidly
Rising SMS Costs: Existing providers impacting margins
Delivery Delays: Even minor OTP delays causing checkout drop-offs
Low Reliability: Occasional failures affecting user trust
Poor Support: Lack of real-time issue resolution from previous providers

Since OTP sits at the most critical conversion point, any inefficiency directly impacted revenue.

The Solution: Combirds OTP Infrastructure

To overcome these challenges, FlexyPe implemented Combirds' optimized OTP and SMS delivery system:

1. Instant OTP Delivery Infrastructure

Ultra-fast routing ensured OTP delivery within seconds
Minimized latency during high-traffic periods
Improved checkout completion rates

2. High-Volume Scalability

Seamlessly handled 11K-12K OTPs daily
No delays or performance degradation during peak loads
Built for consistent, large-scale traffic

3. Cost Optimization Engine

Smart routing reduced per-message costs
Optimized pricing significantly lowered SMS spend
Improved ROI on authentication flows

4. Dedicated Support System

Real-time assistance for issue resolution
Proactive monitoring and quick escalations
Smooth onboarding and rapid deployment

5. Reliable Delivery Architecture

High success rate for OTP delivery
Near-zero failures in authentication workflows
Improved user trust and platform reliability

The Impact

After implementing Combirds, FlexyPe achieved remarkable improvements in OTP delivery and cost efficiency:

🚀 Instant OTP Delivery – 99%+ OTPs delivered within 3–5 seconds, reducing authentication drop-offs by 40–50%
⚡ Near-Zero OTP Failures – Achieved 99.5%+ OTP delivery success rate, minimizing failures at critical conversion stages
💸 Significant Cost Reduction – Reduced SMS costs by 25–35% through optimized routing and efficient delivery
📊 Seamless Scalability – Handled 12,000–15,000 OTPs per day with zero downtime or performance issues
📈 Improved Conversion Rates – Increased successful logins and verifications by 20–30%, boosting overall lead capture efficiency
🤝 Enhanced Support Experience – Enabled 50% faster issue resolution with dedicated account management and proactive support

Bishwajyoti Roy

Co-founder & CTO, FlexyPe

“

SMS and WhatsApp OTPs are a vital component of our system. We were experiencing occasional downtime in SMS delivery with our previous provider, which led us to switch to Combirds. The onboarding process was smooth—the Combirds team helped us set up our account and go live within a day. Overall, it has been a great experience working with Combirds.

Business Outcome

By optimizing OTP infrastructure, FlexyPe unlocked:

Higher checkout completion rates
Better customer experience at critical touchpoints
Reduced operational costs
Improved system reliability at scale

OTP transformed from a bottleneck into a growth enabler.

Conclusion

With Combirds' advanced OTP infrastructure, FlexyPe successfully transitioned to a high-performance, cost-efficient, and scalable authentication system.

For platforms where OTP directly impacts revenue, speed and reliability are non-negotiable—and Combirds delivered on both.

Looking to Scale Your OTP Infrastructure?

Whether you're handling 1,000 or 1 million OTPs per day, Combirds helps you:

Deliver OTPs instantly
Reduce messaging costs
Scale without limits

Get Started Now

Schedule a Demo

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