Voice-Verified
Security
Deliver one-time passwords via voice call. Perfect for markets with low SMS open rates or when SMS delivery fails.
Instant Voice Call Delivery
Generate and deliver OTP via TTS voice call in under 3 seconds. Automatic retry logic ensures reliable delivery.
30+ Language Support
Natural-sounding TTS in 30+ languages and accents. Perfect for global user bases requiring localized experiences.
SMS Fallback
Automatic SMS fallback when voice calls fail or go unanswered after configured attempts.
Anti-Fraud Detection
Built-in fraud protection detects and blocks suspicious OTP requests. Rate limiting and anomaly detection included.
Customizable Caller ID
Display your business number as the caller ID. Build trust with customers seeing familiar phone numbers.
Smart Retry Logic
Configure retry attempts, intervals, and fallback strategies. Never leave a user stranded without their code.
Simple, Scalable Pricing
See how businesses across industries use Chonry Voice OTP for secure authentication.
For startups and small businesses getting started with voice OTP.
- Up to 1,000 calls/month
- 10+ language support
- 3 retry attempts
- Email support
- Sandbox environment
For growing businesses with higher volume needs.
- Up to 100,000 calls/month
- 30+ language support
- Custom retry logic
- SMS fallback included
- Dedicated account manager
- SLA guarantee
For enterprises with custom requirements and high volumes.
- Unlimited call volume
- Custom TTS voices
- Dedicated infrastructure
- 24/7 phone support
- 99.99% SLA
- Custom integrations
Built for Your Industry
See how businesses across industries use Chonry Voice OTP for secure authentication.
Banking Authentication
Secure your banking apps and financial transactions with voice-verified OTPs. Complies with strict financial regulations.
- PCI-DSS compliant
- High-security environments
- Multi-channel verification
High-Security Logins
Add an extra layer of security to enterprise applications. Perfect for VPN access and sensitive system logins.
- Anti-fraud protection
- Rate limiting
- Audit logging
SMS Backup Delivery
Ensure OTP delivery even in low-SMS-coverage areas. Automatic fallback from SMS to voice call guarantees delivery.
- Automatic failover
- Real-time monitoring
- Delivery analytics
Voice Notifications
Send important alerts and notifications via voice call. Great for critical updates requiring immediate attention.
- Scheduled delivery
- Multi-language TTS
- Call confirmation tracking
Real Results, Real Impact
See how leading companies transform their communications with Chonry
Secure Voice OTP for High-Value Transfers
A major bank replaced SMS-only 2FA with voice OTP, reducing SIM-swap fraud to near zero.
Multi-Language Auth for Global Workforce
A Fortune 500 company deployed voice OTP in 12 languages for their distributed employee base.
Accessible Authentication for All Citizens
A government agency added voice OTP to ensure elderly and visually impaired citizens could access digital services.
Ready to get started?
Join 5,000+ enterprises using Chonry Voice OTP to secure their applications. Get a personalized demo or start your free trial today.
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