Simple messaging for developers
Send OTPs, alerts, and system messages with API that handles SMS, WhatsApp, and more.
Trusted by teams at :



Send OTPs, alerts, and system messages with API that handles SMS, WhatsApp, and more.
Trusted by teams at :
Send critical messages via WhatsApp and SMS with intelligent channel selection. Our platform ensures your OTPs, alerts, and notifications reach users through their preferred channel with maximum delivery confidence.
Built-in delivery tracking and fallback mechanisms ensure your messages always their destination, with real-time status updates and automatic retry logic.
Lightning-fast message delivery with sub-second response times for OTPs and critical alerts, ensuring your users never wait for important notifications.
Pre-built templates for common use cases like OTPs, login alerts, and system notifications with dynamic variable support for personalized messaging.
A simple, elegant interface so you can start sending messages instantly. It fits right into your code with APIs for your favorite programming languages.
const axios = require('axios');const sendMessage = async () => {try {const response = await axios.post('https://api.tryzend.com/messages', {to: '+233540920557',body: 'Hello! This is a test message from Zend API.',preferred_channels: ['sms'],fallback_enabled: true,delivery_priority: 'reliability'}, {headers: {'Accept': 'application/json','Content-Type': 'application/json','X-Api-Key': 'sent_test_JfVKRJF3rYUta3Gw5NzqQ54Rid3hEBa4'}});console.log('Message sent:', response.data);// Response: {"id":"688299ee5b4a8df155b91734","status":"pending","estimated_cost":0.02,"message":"Message queued for processing"}} catch (error) {console.error('Error:', error.response?.data || error.message);}};sendMessage();
zend is completely free to use. No monthly fees, no setup costs, no hidden charges. You only pay for the messages you actually send with our transparent credit-based system.
See how teams trust zend for their critical messaging needs. Real feedback from developers and businesses who rely on our platform.
Zend made it easy to send reliable SMS notifications for my health app, keeping doctors and patients instantly updated. Integration was smooth, delivery is fast, and support is great.
Zend's OTP delivery is lightning fast. Our user authentication improved dramatically, and our users now enjoy a seamless sign-in experience. Highly recommended for any team that values reliability and speed.
WhatsApp + SMS fallback ensures our users never miss important notifications. It gives us peace of mind knowing our messages always reach users. Game changer for our app and a huge boost to user engagement.
Discover quick and comprehensive answers to common questions about our messaging platform, services, and features.
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