Enterprise A2P SMS gateway API for high-volume messaging & OTP SMS. 99.9% uptime. Perfect for banking & finance and developer integrations.
The best bulk sms provider in Kenya offering a powerful, developer-friendly SMS Gateway with enterprise-grade infrastructure for mission-critical communications.
Integrate secure, scalable SMS messaging into your applications with our RESTful A2P SMS Gateway API. Perfect for banking alerts, OTP verification, transaction notifications, and automated customer communications. Features include real-time webhooks, comprehensive SDKs, 99.9% uptime SLA, and sub-2-second message delivery across all Kenyan networks.
A2P (Application-to-Person) SMS is the engine behind modern digital interactions—sending automated, high-volume messages from your system directly to your customers' mobile devices with unmatched reliability and speed.
Send promotions, special offers, and announcements directly to your customers with unrivaled open rates.
Deliver critical, time-sensitive alerts for payments, order confirmations, and service updates.
Provide timely support, appointment reminders, and facilitate two-way feedback mechanisms.
Secure user accounts and transactions with high-speed OTP integration for 2FA.
Our cutting-edge SMS Gateway infrastructure is built for peak performance and 99.9% Uptime SLA across the entire Kenyan mobile network ecosystem.
Our gateway is engineered to handle massive volumes of messages per second. This capacity ensures your time-sensitive alerts and marketing blasts are delivered instantly, not delayed in a queue, giving you speed and reliability.
Messages/Second
Our system dynamically selects the fastest and most reliable routes to minimize latency and maximize delivery rates for all your bulk sms traffic, ensuring critical messages always reach the intended recipient.
Delivery Rate
Get instant, webhook-driven delivery reports (DLRs) and detailed analytics. Measure the effectiveness of your communications and track the status of every single message in real-time on our dashboard.
Analytics
We guarantee 99.9% uptime through enterprise-grade infrastructure, redundancy, and failover mechanisms. Your critical OTPs and transactional messages are delivered reliably, minimizing business risk.
Uptime SLA
See how major fintech and e-commerce platforms leverage our speed and reliability to reduce latency and increase user satisfaction.
We offer redundant, carrier-grade connections. Choose the protocol that best fits your system architecture and performance requirements.
Messages Per Second (Typical Max Burst)
Average Gateway Latency
Messages Per Second (Guaranteed Capacity)
Average Gateway Latency
Developers, we speak your language. Our accessible, well-documented RESTful API allows you to integrate our SMS Gateway into any platform in minutes, not days.
Get started faster with pre-built SDKs for the most common languages, simplifying your SMS integration across any tech stack.
// Send an SMS with Celcom Africa's REST API
const url = 'https://api.celcomafrica.com/v1/send';
const apiKey = 'YOUR_API_KEY_HERE';
const sendSMS = async () => {
const response = await fetch(url, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer ' + apiKey
},
body: JSON.stringify({
from: 'CELCOM',
to: '+2547XXXXXXXX',
message: 'Hello from the best bulk sms provider in kenya!'
})
});
const data = await response.json();
console.log(data);
};
Achieve true system reliability. We deliver Delivery Receipts (DLRs) and Mobile Originated (MO) messages asynchronously via secure Webhooks, ensuring you get immediate status updates without polling delays.
{
"messageId": "CLMA_XYZ123",
"status": "DELIVERED",
"recipient": "+2547XXXXXXXX",
"status_code": 0,
"timestamp": 1731945600
}
Our system automatically retries DLR posts for up to 72 hours, guaranteeing receipt integrity.
Integrate our standardized error codes to implement robust business logic, such as automatic failover or refund processing.
Trusted by banks, government agencies, and major enterprises across Kenya for reliable, secure, and scalable messaging solutions.
Deep understanding of Kenyan network protocols and regulations, ensuring compliance and high deliverability.
Dedicated technical support ready to assist Developers and businesses with any integration or delivery challenge.
Affordable rates for high-quality bulk sms in kenya, offering the best value in the market. No hidden fees.
We are the preferred partner for banks, government agencies, and major enterprises who trust us with their critical communications.
Get started with Celcom Africa today and experience the difference a truly dedicated and powerful bulk sms solution can make for your business.