Global Voice
Infrastructure
Build voice applications with our carrier-grade API. Crystal-clear audio, low-latency connections, and enterprise reliability for IVRs, OTPs, and call centers.
99.99%
Uptime SLA
50ms
Latency
60+
Countries
24/7
Support
import { Voice } from 'sendexa';
const voice = new Voice(process.env.SENDEXA_API_KEY);
// Make an outbound call
const call = await voice.calls.create({
to: '+1234567890',
from: '+1987654321',
answer_url: 'https://example.com/ivr'
});
console.log(`Call SID: ${call.sid}`);Call Flow Example
Voice Solutions for Every Use Case
From simple notifications to complex call centers, our API provides the building blocks for any voice application.
IVR Systems
Build sophisticated interactive voice response menus with multi-level navigation and dynamic routing.
- Unlimited menu levels
- DTMF and speech recognition
- Dynamic routing based on caller input
Voice OTP
Secure authentication with one-time passwords delivered via voice calls with automatic retries.
- 6-digit code generation
- Automatic retry logic
- Multi-language support
Call Forwarding
Intelligent call routing based on time, location, and business rules.
- Geographic routing
- Time-based routing
- Failover destinations
Call Tracking
Comprehensive analytics for inbound calls with recording and transcription.
- Call recording
- Speech-to-text
- Custom metadata
Outbound Dialing
High-volume outbound calling with predictive dialer and answer machine detection.
- Predictive dialer
- AMD detection
- Call pacing controls
Voice Broadcasting
Send bulk voice messages to thousands of recipients simultaneously.
- High throughput
- Personalization
- Delivery reports
Industry-Proven Applications
Trusted by companies across industries for mission-critical voice communication.
Customer Support
Reduce call center load with intelligent IVRs that resolve common issues automatically.
App Authentication
Secure user logins with voice OTP that works even without internet access.
Emergency Notifications
Deliver critical alerts via voice calls with delivery confirmation.
Telemedicine
Build HIPAA-compliant appointment reminders and patient outreach.
Ready to Power Your Voice Applications?
Join thousands of developers building voice solutions with our global infrastructure.