Reach MillionsOver One API
Powerful bulk SMS API and WhatsApp messaging platform designed to help businesses seamlessly engage millions of customers at scale. Built for developers, scaled for enterprises.
Built for Developers
Everything you need to build powerful messaging applications that scale.
Simple REST API
Integrate in minutes with our comprehensive REST API. Get up and running with just a few lines of code.
Lightning Fast
Deliver messages in milliseconds with our optimized infrastructure built for speed and reliability.
WhatsApp Support
Now supporting WhatsApp messaging! Reach your audience through their preferred communication channel.
OTP Delivery
Perfect for authentication. Platforms use XenSMS to deliver OTPs and meaningful alerts to their users securely.
Secure & Reliable
Enterprise-grade security with 99.9% uptime guarantee. Your messages are encrypted end-to-end.
Kenya Coverage
Optimized network coverage across all major Kenyan carriers with competitive rates.
Competitive Pricing
Pay-as-you-go pricing with no hidden fees. Start sending from as low as KES 0.50 per SMS.
Real-time Delivery
Get instant delivery status updates via webhooks. Track every message in real-time.
Bulk Messaging
Send to millions of recipients in a single API call. Built for scale with no limits.
API Keys Management
Secure API key management with granular permissions and access controls.
Analytics Dashboard
Monitor your campaigns with comprehensive analytics and detailed reports.
Scheduled Messages
Schedule your SMS campaigns in advance. Set it and forget it.
Mobile-First
Responsive design for all devices. Manage your SMS campaigns on the go.
// More Features Coming Soon
Voice calls, OTP services, and more are in development. Stay tuned!
Trusted by Developers
Join thousands of businesses powering their communications with XenSMS.
"XenSMS has revolutionized our customer engagement strategy. The API is incredibly straightforward to implement, and the delivery rates are outstanding."
"We switched to XenSMS three months ago and have sent over 2 million messages with zero downtime. The platform is rock-solid."
"The documentation is superb, and the support team is incredibly responsive. Integration took less than an hour. Highly recommended!"
"Scheduling bulk SMS notifications for appointments has never been easier. Our patient engagement has increased by 40% since implementing XenSMS."
"Real-time delivery tracking has been a game-changer for our business. We know exactly when our customers receive important updates."
"The WhatsApp integration is fantastic! We can now reach students on their preferred platform with one simple API call."
Ready to Build?
Start sending messages to millions of users today. No credit card required.
Free API Access
Start with a generous free tier
Launch in Minutes
Get up and running fast
24/7 Support
Always here to help