Send Messages
at Scale
A powerful Messaging API to send SMS and WhatsApp messages from your application. High deliverability, real-time tracking, global reach.
Simple Integration
Send your first message with a single API call. Our SDKs handle authentication, retries, and error handling.
- RESTful API with JSON payloads
- SDKs for Python, Node.js, Go, Ruby, Java
- Automatic retries and failover
- Comprehensive error codes
import Zavudev from '@zavudev/sdk';
const zavu = new Zavu('YOUR_API_KEY');
// Send SMS
const sms = await zavu.messages.send({
to: '+1234567890',
text: 'Your order has shipped!'
});
// Send WhatsApp
const whatsapp = await zavu.messages.send({
to: '+1234567890',
channel: 'whatsapp',
text: 'Track your order here',
content: {
buttons: [
{ id: 'track', title: 'Track Order' }
]
}
});Message Types
From simple text to rich interactive messages.
Text Messages
Simple text content up to 1600 characters
Rich Media
Images, videos, documents, and audio
Interactive
Buttons, lists, and quick replies
Templates
Pre-approved message templates
Enterprise-Grade Messaging
Built for reliability, scale, and compliance.
High Deliverability
Direct carrier connections and intelligent routing ensure your messages reach their destination.
Global Coverage
Send messages to phone numbers in over 200 countries with local sender IDs.
Real-Time Tracking
Track message status from queued to delivered with webhook notifications.
Built-In Compliance
Automatic opt-out handling, TCPA compliance, and consent management.
Use Cases
From authentication to engagement, power every message.
Transactional Notifications
- Order confirmations
- Shipping updates
- Appointment reminders
- Account alerts
Authentication
- OTP verification
- Password resets
- Login alerts
- Transaction confirmations
Customer Engagement
- Promotional campaigns
- Product updates
- Feedback requests
- Re-engagement
Operational Alerts
- System notifications
- Delivery updates
- Service alerts
- Status changes
Simple, Predictable Pricing
Pay per active user, not per message. Send unlimited messages without worrying about costs.
- Unlimited messages per user
- SMS + WhatsApp + Email included
- No per-message fees
- No carrier surcharges
Ready to Start Messaging?
Get your API keys in seconds. Send your first message in minutes. Scale to millions without infrastructure headaches.