Developer Products
Built for Scale
We build and operate high-scale developer infrastructure. Our flagship platform Authly.space powers secure global verification.
Authly.space
The Global OTP & Phone Verification API Built for Modern Applications
Authly simplifies two-factor authentication (2FA) and phone verification across SMS, WhatsApp, and Voice channels. Engineed by HB House to eliminate SMS toll fraud, reduce OTP delivery latency under 2 seconds, and cut verification bills by up to 70%.
Global Carrier Network
Direct routes across 200+ countries with automatic carrier fallback for 99.99% delivery rate.
WhatsApp + SMS Hybrid
Deliver OTPs via WhatsApp first for 80% cost savings, falling back to SMS seamlessly.
AI Toll Fraud Shield
Block fraudulent high-cost OTP requests, bot farms, and IP abuse before they cost you.
Sub-2s Latency SLA
Lightning-fast message dispatch guarantees your users verify without friction or delays.
SDKs & REST API
Ready-to-use client SDKs for Node.js, Python, Go, React Native, Flutter, and Curl.
Real-Time Analytics
Live deliverability dashboards, conversion metrics, latency tracking, and audit logs.
Need a Custom SaaS Product Built?
We apply the exact same engineering rigor used on Authly.space to your custom web or fintech platform.
Book a Product Scoping Session →