Secure your users with reliable SMS OTP
Global delivery in seconds. Scale your authentication with our developer-friendly API and 99.9% guaranteed uptime.
const authisia = require('authisia-sdk');
// Initialize with your API key
const client = new authisia.Client('AT_LIVE_KEY');
await client.sms.send({
to: '94050321',
template: 'OTP',
content: '4070'
});
// 99.9% delivery guaranteedTrusted by modern engineering teams
Why Choose Authisia
Built for developers who prioritize speed and reliability
Every millisecond counts when your users are waiting to log in. We've optimized every layer for maximum throughput.
Fast Delivery
Global routing and direct carrier connections ensure your OTPs arrive in under 5 seconds, anywhere in the world.
99.9% Uptime
Our multi-region cloud infrastructure is designed for mission-critical authentication and zero-downtime maintenance.
Simple API
Integrate in minutes with our REST API, clean SDKs for all major languages, and comprehensive documentation.
Ready to secure your application?
Start with 100 free SMS credits today. No credit card required.