Communication API
for Modern Applications
Add SMS, WhatsApp, Email, and Voice to your application in minutes. One REST API, comprehensive SDKs, real-time webhooks.
Send Your First Message
Three lines of code. That's all it takes.
import Zavudev from '@zavudev/sdk';
const zavu = new Zavu('YOUR_API_KEY');
// Send an SMS
const message = await zavu.messages.send({
to: '+1234567890',
text: 'Hello from Zavu!'
});
console.log(message.id); // msg_abc123...curl -X POST https://api.zavu.dev/v1/messages \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "+1234567890",
"text": "Hello from Zavu!"
}'API Capabilities
Everything you need to build world-class communication features.
Multi-Channel Messaging
Send SMS, WhatsApp, and Email through a single endpoint. Automatic channel selection and fallback.
Real-Time Webhooks
Receive delivery receipts, inbound messages, and status updates via webhooks as they happen.
Simple Authentication
Bearer token authentication. Generate API keys from your dashboard in seconds.
Global Infrastructure
Low-latency API endpoints worldwide. Send messages to 200+ countries reliably.
Enterprise Security
TLS encryption, webhook signatures, rate limiting, and SOC 2 compliance.
Unified Data Model
Consistent message, contact, and conversation schemas across all channels.
API Endpoints
RESTful endpoints for all communication needs.
/v1/messages/v1/messages/{id}/v1/contacts/v1/templates/v1/senders/v1/broadcastsOfficial SDKs
Type-safe SDKs for your favorite languages.
Node.js
@zavudev/sdkPython
zavudevGo
github.com/zavudev/sdk-goRuby
zavudevJava
dev.zavu.sdkReal-Time Webhooks
Receive events as they happen. Delivery receipts, inbound messages, and more.
{
"event": "message.delivered",
"timestamp": "2024-01-15T10:30:00Z",
"data": {
"message": {
"id": "msg_abc123",
"to": "+1234567890",
"channel": "sms",
"status": "delivered",
"deliveredAt": "2024-01-15T10:30:00Z"
}
}
}message.queuedmessage.sentmessage.deliveredmessage.failedmessage.inboundconversation.newStart Building Today
Get your API keys in seconds. Send your first message in minutes. Scale to millions without changing your code.