App login
2FA in SaaS, banking, e-commerce. < 100ms API latency.
Product · 2FA Authentication / OTP
One-time codes that always arrive. Even when push fails.
SMS is 2FA's last line of defense. Median delivery time: 2.1 seconds.
Co dostajesz w pakiecie.
Endpoint /otp/send
One request, we generate the code, we validate. No logic on your side.
Configurable code length
4, 6 or 8 digits. Lifetime 30s – 10 min.
Rate limit per number
Max 3 codes / hour / number. Flood protection.
One-request verification
POST /otp/verify with code – we return true / false.
Audit log per OTP
When sent, when verified, from which IP – full history.
Failover to backup carrier
If first attempt fails, auto-retry via alternate route.
Gdzie to się sprawdza.
Payment confirmation
PSD2 SCA compatible – strong customer authentication.
Registration verification
Phone = real user. Bot filter.
Start sending SMS today.
100 free messages. No credit card. No subscription. Activation in 30 seconds.