SMS API
Send OTP, transactional, and promotional SMS globally with lightning-fast delivery and 99.9% uptime guarantee.
- Bulk SMS
- OTP & 2FA
- Transactional SMS
- Global Coverage
Cloud Communication APIs seamlessly integrate messaging, voice, email, WhatsApp, and many more channels to power your business communications.
Active Customers
Uptime SLA %
Countries Covered
Billion Messages/Year
From SMS to WhatsApp, Voice to Email - we've got all your communication channels covered with enterprise-grade reliability.
Send OTP, transactional, and promotional SMS globally with lightning-fast delivery and 99.9% uptime guarantee.
Engage customers on WhatsApp with rich media messages, interactive buttons, and automated conversations.
Implement voice OTP, IVR systems, call tracking, and automated voice calls with crystal-clear quality.
Send transactional and marketing emails with high deliverability, detailed analytics, and SMTP support.
Next-generation messaging with rich media, branded sender, and interactive features for enhanced engagement.
Secure your applications with multi-channel OTP, 2FA, and authentication solutions for seamless user verification.
We combine powerful APIs with exceptional reliability to help you build better communication experiences.
RESTful APIs with comprehensive documentation, SDKs in multiple languages, and code samples to get you started in minutes.
Enterprise-grade infrastructure with redundant systems, automatic failover, and guaranteed high availability.
Deliver messages to 200+ countries with direct carrier connections and local phone numbers worldwide.
Track delivery rates, response times, and campaign performance with detailed analytics and reporting dashboards.
SOC 2, GDPR, and HIPAA compliant with end-to-end encryption and advanced security protocols.
Dedicated support team available round the clock via email, chat, and phone to ensure your success.
Sub-second API response times and instant message delivery with optimized routing algorithms.
Pre-built integrations with popular platforms and frameworks. Get started with just a few lines of code.
Connect CPaaS with your existing tech stack using our flexible APIs and pre-built integrations.
curl -X POST https://api.cpaas.io/v1/sms/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "+1234567890",
"message": "Hello from CPaaS!",
"sender_id": "CPaaS"
}'
<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.cpaas.io/v1/sms/send",
CURLOPT_POSTFIELDS => json_encode([
"to" => "+1234567890",
"message" => "Hello from CPaaS!",
"sender_id" => "CPaaS"
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer YOUR_API_KEY",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
?>
const axios = require('axios');
axios.post('https://api.cpaas.io/v1/sms/send', {
to: '+1234567890',
message: 'Hello from CPaaS!',
sender_id: 'CPaaS'
}, {
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
}
}).then(response => {
console.log(response.data);
});
import requests
response = requests.post(
'https://api.cpaas.io/v1/sms/send',
headers={
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
json={
'to': '+1234567890',
'message': 'Hello from CPaaS!',
'sender_id': 'CPaaS'
}
)
print(response.json())
See what our customers say about their experience with CPaaS communication platform.
"CPaaS has transformed our customer engagement. The WhatsApp API integration was seamless, and the delivery rates are outstanding. Highly recommend!"
"Exceptional API documentation and support. We integrated SMS OTP in less than an hour. The real-time analytics help us optimize our campaigns effectively."
"The reliability and uptime are incredible. We've sent millions of messages with 99.9% delivery success. The pricing is transparent and competitive."
Join thousands of businesses using CPaaS to deliver exceptional customer experiences. Start your free trial today - no credit card required.
No credit card required • Free trial includes 100 SMS credits
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