OTP-less One tap Sign in
No more passwords. Fast, simple, secure.
OTP-less One tap Sign in launched on April 14, 2023 with 37 votes, #1,485 of 4,853 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
Activate OTP-less. One tap sign in with WhatsApp, Google and Apple. Fast, simple, secure. Installation is just one line of copy-paste code, no APIs-no integration. Free forever, for unlimited users.
One SDK runs every identity moment on mobile — auth, device trust, address, payments, and fraud — without OTPs, without friction.
From the first tap to every transaction, OTPless handles identity invisibly - without an OTP in sight. Real-world identity stacks running in production, across India's category leaders. Every identity moment, shipped as part of one integration - from carrier verification to fraud signals. SNA verifies SIM possession in the background by talking directly to the carrier. No OTP screen. No SMS to fetch. No "didn't receive a code" panic. The user does nothing — and they're authenticated. You can choose a phone number that's assigned to your phone, and Google will share it only with this app. Mobile Auth picks the channel that's actually working right now — by success rate, latency, and operator…from otpless.com
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