Reliable, scalable, and cost-effective wholesale VoIP and SMS services to transform how businesses connect with customers.
Build better communication experiences with our robust, flexible APIs
Connect your existing PBX to the PSTN with our reliable SIP trunking solutions. Scale as needed with flexible capacity options.
Learn MoreExtensive coverage of local, national and toll-free numbers across multiple countries. Instant provisioning and competitive rates.
Learn MoreHigh-throughput SMS API for sending and receiving messages globally. Ideal for alerts, notifications, and marketing campaigns.
Learn MoreWe deliver enterprise-grade VoIP solutions with exceptional reliability, scalability and value.
Our redundant infrastructure ensures your communications remain online with enterprise-grade reliability.
Competitive rates with transparent pricing. No hidden fees or long-term contracts required.
Get up and running quickly with fast provisioning and straightforward integration with your existing systems.
Our expert support team is available around the clock to address any technical issues or questions.
Easily scale your communications up or down as your business needs change, without service disruption.
Comprehensive API documentation and SDKs for seamless integration with your applications and services.
Katko Networks is a leading provider of wholesale VoIP and SMS solutions, dedicated to delivering reliable, scalable, and cost-effective communication services to businesses and telecom partners worldwide.
Founded by telecommunications experts with decades of industry experience, we understand the critical importance of dependable voice and messaging services in today's connected world.
Learn More About Us
Our API-first approach makes integration simple with clear documentation, SDKs, and robust support.
// Sample API request
const client = new KatkoClient(apiKey);
const response = await client.messages.create({
from: '+15551234567',
to: '+15559876543',
body: 'Hello from Katko Networks!'
});Clear guides, tutorials, and API references
Python, Node.js, PHP, Java, Ruby, and .NET
Go from concept to production in minutes
Join thousands of satisfied businesses using Katko Networks for reliable VoIP and SMS solutions.