Send Bulk SMS
at Scale
Reach thousands or millions of recipients with a single API call. High throughput, real-time delivery tracking, and personalization included.
Broadcast API
Send personalized messages to contact lists with our Broadcast API.
import Zavudev from '@zavudev/sdk';
const zavu = new Zavu('YOUR_API_KEY');
// Create a broadcast campaign
const broadcast = await zavu.broadcasts.create({
name: 'Flash Sale Announcement',
channel: 'sms',
text: 'Hi {{name}}, 50% off everything today only! Shop now: https://...'
});
// Add contacts with personalization
await zavu.broadcasts.addContacts(broadcast.id, {
contacts: [
{ recipient: '+1234567890', templateVariables: { name: 'John' } },
{ recipient: '+0987654321', templateVariables: { name: 'Jane' } },
// ... thousands more
]
});
// Send immediately or schedule
await zavu.broadcasts.send(broadcast.id);
// Monitor progress
const progress = await zavu.broadcasts.getProgress(broadcast.id);
console.log(`Delivered: ${progress.deliveredCount}/${progress.total}`);Bulk SMS Features
High Throughput
Send thousands of messages per second with our scalable infrastructure.
Global Reach
Reach recipients in 200+ countries with local sender IDs.
Personalization
Customize each message with recipient-specific variables.
Real-Time Analytics
Track delivery rates, opens, and engagement in real-time.
Compliance Built-In
Automatic opt-out handling and TCPA compliance.
Smart Scheduling
Schedule campaigns for optimal delivery times.
Use Cases
Marketing Campaigns
Promotional messages, flash sales, product launches
Transactional Alerts
Order confirmations, shipping updates, account notifications
Appointment Reminders
Healthcare, salons, service appointments
Emergency Alerts
Weather alerts, security notifications, system status
Predictable Pricing
Pay per active user, not per message. Send unlimited bulk SMS without worrying about per-message costs.
- Unlimited messages per user
- No per-message fees
- No volume commitments
- Broadcast API included
Ready for Bulk Messaging?
Start sending bulk SMS campaigns in minutes. No contracts, no minimums, predictable pricing.