Access 30+ free REST API endpoints for AI, media downloads, WhatsApp automation, and utility tools. No authentication required. Start building in minutes.
// Kelvin AI Chat API
fetch('https://api.ktech.net.ng/ai/chatgpt', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
query: "Hello, how are you?",
model: "gpt-3.5-turbo"
})
})
.then(response => response.json())
.then(data => {
console.log(data.response);
});
Powerful features that make development faster and easier
Optimized endpoints with response times under 100ms. Global CDN for low latency worldwide.
Start using APIs immediately without API keys, tokens, or complex setup.
Generous rate limits that won't restrict your development. Scale without worry.
Clean REST APIs with consistent response formats and comprehensive documentation.
Explore our most used and powerful API endpoints
Intelligent conversation with GPT models. Supports context and follow-up questions.
View DocumentationDownload videos and audio from YouTube in multiple formats and quality options.
View DocumentationSend messages, media, and automate WhatsApp interactions programmatically.
View DocumentationGenerate QR codes for URLs, text, contact info with custom colors and sizes.
View DocumentationJoin thousands of developers building amazing applications with Kelvin APIs.