Voice API + AI Agents

Intelligent Voice Solutions
Powered by AI

Build voice applications with AI agents that understand natural language. Deploy intelligent virtual assistants for customer support, lead generation, and automated conversations.

50+

Countries

99.99%

Uptime SLA

< 100ms

Latency

24/7

AI Agents

Sendexa Voice API with AI Agents

AI Agents

Natural Conversations

99.99%

Uptime

50+

Countries

AI Voice Agent Demo

Experience AI-Powered Conversations

Listen to how our AI voice agent handles a real customer interaction

AI Support Agent

Active • 24/7

Hi, I need help with my account. I can't log in.

2:30 PM

I understand you're having trouble logging in. Let me help you with that. Can you confirm your registered email address?

2:31 PM

Sure, it's john@example.com

2:31 PM

Great! I've sent a password reset link to your email. You should receive it shortly. Is there anything else I can help with?

2:32 PM

Key AI Capabilities

  • Natural language understanding
  • Contextual conversation memory
  • Multi-language support (10+ languages)
  • Sentiment analysis
  • Intent recognition
  • Voice biometrics for authentication
Build Your AI Agent
Features

Voice + AI Capabilities

Build powerful voice applications with AI-powered intelligence built in.

High-Quality Voice Calls

Crystal clear voice quality with low latency and high reliability across Africa and beyond.

AI-Powered Voice Agents

Deploy intelligent AI voice agents that understand natural language, handle complex conversations, and provide human-like interactions.

Programmable Voice API

Build voice applications with our REST API. Make, receive, and manage calls programmatically with AI capabilities.

Natural Language Understanding

Advanced NLP models that understand context, sentiment, and intent across multiple languages and African dialects.

Conference Calling

Enable multi-party voice conferences with up to 50 participants. Perfect for team meetings and customer calls.

Voice Recording & Transcription

Record calls and get real-time AI-powered transcription. Analyze conversations for insights, compliance, and training.

Interactive Voice Response (IVR)

Build sophisticated IVR systems with AI agents that understand user intent and route calls intelligently.

Voice Analytics & Insights

Track call metrics, sentiment analysis, speech analytics, and conversation intelligence with real-time dashboards.

Multi-Language Support

AI voice agents that speak multiple languages including English, French, Swahili, Yoruba, Hausa, and more.

Use Cases

What You Can Build

From AI customer support to intelligent routing—build it all with Voice + AI.

AI Customer Support

AI Customer Support

Deploy intelligent voice agents for 24/7 customer support with natural conversations and instant resolution.

Voice Notifications

Voice Notifications

Send critical voice notifications for alerts, reminders, and emergency communications.

Intelligent Call Routing

Intelligent Call Routing

Use AI to understand caller intent and route to the right department or agent automatically.

Voice Authentication

Voice Authentication

AI-powered voice biometrics for secure user authentication and fraud prevention.

Conversational AI

Conversational AI

Build natural voice conversations for lead qualification, surveys, and customer engagement.

Conference Solutions

Conference Solutions

Enable team collaboration and customer meetings with multi-party voice conferencing.

Pricing

Simple, Transparent Pricing

Pay only for what you use. AI agents and voice minutes at competitive rates.

Starter

$0.015/per minute

Perfect for small businesses and startups

  • Outbound calls to 10+ countries
  • Basic IVR capabilities
  • AI voice agents (1 concurrent)
  • Call recording (24hr storage)
  • Email support
  • API access
Get Started
Most Popular

Business

$0.012/per minute

Ideal for growing businesses with higher volume

  • Outbound calls to 50+ countries
  • Advanced IVR & call flows
  • AI voice agents (5 concurrent)
  • NLP & sentiment analysis
  • Call recording (30-day storage)
  • Priority support
  • Analytics dashboard
  • Conference calling
  • Custom caller ID
Start Free Trial

Enterprise

Custom/volume-based pricing

For large organizations with custom needs

  • Global coverage (100+ countries)
  • Custom AI models & infrastructure
  • Unlimited AI voice agents
  • Unlimited call recording
  • 24/7 dedicated support
  • SLA guarantee (99.99%)
  • Custom integrations
  • Dedicated account manager
Contact Sales
Simple Integration

Build AI Voice Agents in Minutes

Deploy AI voice agents with just a few lines of code. Create natural conversations that understand context and intent.

REST API with JSON responses
SDKs in 6+ programming languages
Pre-built AI agent templates
Custom AI model fine-tuning
Webhooks for call events
Detailed analytics & insights
ai-voice-agent.js
// Deploy an AI voice agent with Sendexa
import { VoiceAI } from 'sendexa-voice';

const client = new VoiceAI({
  apiKey: 'your-api-key',
});

// Create an AI voice agent
const agent = await client.agents.create({
  name: 'Support Assistant',
  language: 'en',
  voice: 'female-1',
  prompt: `You are a helpful customer support 
  agent for a telecom company. Help customers 
  with account issues, billing, and support.`,
  capabilities: ['auth', 'billing', 'support'],
});

// Deploy the agent on a phone number
const deployment = await agent.deploy({
  phoneNumber: '+233201234567',
  schedule: '24/7',
});

console.log('AI Agent is live!', deployment.id);

50M+

Voice Minutes

99.99%

Uptime SLA

10,000+

Businesses

50+

Countries

FAQ

Frequently Asked Questions

Everything you need to know about our Voice API and AI Agents.

What is an AI voice agent?

An AI voice agent is an intelligent virtual assistant that can have natural conversations over the phone. It understands context, intent, and can handle complex customer interactions without human intervention, powered by advanced NLP and speech recognition.

What countries does Sendexa Voice API support?

We support voice calling to 50+ countries across Africa, Europe, North America, and Asia. Our coverage continues to expand—check our documentation for the latest list.

How does AI voice agent pricing work?

AI voice agents are priced per minute of conversation, similar to standard voice calls. The pricing includes both the call costs and AI processing. Volume discounts are available for high-usage customers. Contact our sales team for custom pricing.

Can I build IVR systems with Sendexa?

Yes! Our Voice API includes powerful IVR capabilities with AI integration. You can build intelligent call flows, use voice recognition, collect DTMF input, play audio files, and route calls based on user intent and selections.

What languages do your AI voice agents support?

Our AI voice agents support multiple languages including English, French, Swahili, Yoruba, Hausa, Arabic, and more. We're continuously expanding our language capabilities to serve diverse African markets.

Is there a free trial?

Yes! You get $10 in free credits when you sign up. This allows you to test both our Voice API and AI voice agents thoroughly before committing.

Can I customize the AI voice agent's personality?

Absolutely! You can customize the voice, tone, language, and personality of your AI voice agents to match your brand identity. Choose from various voice options or create a custom voice for your business.

Can I port my existing phone numbers?

Yes, we support number porting. Our team will help you migrate your existing phone numbers to Sendexa's platform.

Ready to Build with AI Voice Agents?

Deploy intelligent voice agents today. Get $10 in free credits when you sign up.