PhoneVerification.io – Frictionless, Instant, & Secure Phone Verification. No SMS!
The solution overcomes the problems faced by SMS methods (fraud, bad user experience etc.) by directly accessing the wireless carrier network to verify if the phone number provided by the user is correct. The entire verification process takes just a few seconds and is completely frictionless and invisible to the end user. This enables the best possible experience for users while maximizing conversions during the sign-up process.