Intelligent Voice API
Global voice calls & IVR with 99.95% reliability, 50ms connection times, and 100+ language support.

Voice Features
Comprehensive tools for voice communication
Text-to-Speech
Natural sounding voice in 50+ languages
Call Routing
Intelligent routing based on time or skills
IVR Systems
Multi-level interactive voice menus
Outbound Calls
Initiate calls with custom caller IDs
Voicemail Detection
Automatically detect voicemail boxes
Call Recording
Secure encrypted call storage
IVR Builder
Visually design your interactive voice response system
Voice Use Cases
How businesses use our Voice API
Appointment Reminders
Automated calls to reduce no-shows
Examples:
- •Healthcare visits
- •Service appointments
- •Virtual meetings
Customer Support
24/7 self-service IVR systems
Examples:
- •Balance inquiries
- •Order status
- •Tech support
Surveys
Voice-based feedback collection
Examples:
- •Customer satisfaction
- •Political polling
- •Market research
Alerts
Critical notifications via voice
Examples:
- •Fraud alerts
- •Delivery updates
- •Emergency notifications
Call Flow Examples
Pre-built templates for common voice scenarios
Inbound IVR
Handle incoming calls with interactive menus
Simple Pricing
Pay only for what you use with per-minute billing
Starter
For small call volumes
Includes:
- 100 minutes included
- Basic IVR
- Standard voices
- Email support
Limitations:
- No call recording
- 5 numbers max
- No queueing
Business
For growing operations
Includes:
- 1,000 minutes included
- Advanced IVR
- Premium voices
- Phone support
- Call recording
- 10 numbers
Limitations:
- No speech recognition
- Basic analytics
Enterprise
For high-volume needs
Includes:
- Unlimited minutes
- AI voices
- Speech recognition
- 24/7 support
- Advanced analytics
- Dedicated numbers
- Custom SLAs
Developer Resources
Everything you need to integrate our Voice API
// Initiate an outbound call
const response = await fetch('https://api.sendexa.co/v1/calls', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
to: '+1234567890',
from: '+1987654321',
answer_url: 'https://your-server.com/answer-script'
})
});
// Handle incoming call (webhook)
app.post('/answer-script', (req, res) => {
const response = {
actions: [
{
action: 'say',
text: 'Hello, thank you for calling Acme Inc.',
voice: 'female',
language: 'en-US'
},
{
action: 'menu',
options: [
{ digit: '1', action: 'connect', endpoint: 'sales@acme.com' },
{ digit: '2', action: 'connect', endpoint: 'support@acme.com' }
],
timeout: 10
}
]
};
res.json(response);
});
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