Silent Authentication
Carrier-based phone verification with zero user interaction. The network confirms the device SIM matches the claimed number — no OTP codes, no friction.
Zero-Friction Phone Verification
Silent Authentication leverages direct carrier connections to verify phone number ownership without any user interaction. The verification happens through the mobile network itself, making it immune to phishing, SIM swap, and social engineering attacks that plague SMS OTP.
- Zero user interaction — verification happens entirely in the background
- Cryptographic SIM verification through direct carrier connections
- More secure than SMS OTP — immune to interception and phishing
- Works with 80+ mobile network operators across 30+ countries
- Automatic SMS OTP fallback when silent auth is unavailable
Everything You Need
Powerful features designed for enterprise-grade performance and compliance
No User Action
Verification happens entirely in the background without any user interaction. No codes to enter, no buttons to press — the mobile network confirms ownership silently.
Instant Results
Sub-second verification through direct carrier infrastructure. The entire authentication process completes faster than typing an OTP code.
SIM Binding
Verify that the current device SIM card matches the claimed phone number through cryptographic carrier verification. Impossible to spoof or intercept.
Fraud Prevention
Immune to phishing, social engineering, and SIM swap attacks that compromise SMS OTP. The verification cannot be redirected to a different device.
Global Coverage
Direct integrations with 80+ mobile network operators across 30+ countries. Coverage expanding continuously as new carrier partnerships are established.
Fallback Ready
Automatic SMS OTP fallback when silent authentication is unavailable due to Wi-Fi connection or unsupported carrier. Seamless user experience regardless.
Use Cases
See how businesses use Silent Authentication in production
Frictionless App Login
Replace SMS OTP with invisible phone verification for mobile app login flows.
New Account Verification
Verify phone number ownership during registration without interrupting the signup flow.
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Request a Demo
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