Reduce authentication costs, eliminate OTP friction, and make every sign-in effortless.
No credit card required.
Trusted by growing businesses



Achieve unprecedented security, user experience, and efficiency with NOTP.
Say goodbye to costly SMS-based OTPs. Switch to NOTP for a cost-effective, secure authentication solution.
Simplify onboarding with NOTP. Leverage the ubiquity of WhatsApp to transform authentication and improve retention.
Skip passwords and OTPs. Let users log in with a seamless verification flow that gets them authenticated in seconds.
Remove login friction to improve onboarding, reduce abandonment, and convert more visitors into active users.
Protect every authentication with secure verification designed for modern businesses.
Whether you run an e-commerce store, SaaS platform, fintech app, or customer portal, NOTP scales with your business.
Every SMS OTP comes with hidden costs:
Per-message fees climb with every login and eat straight into margins.
Carrier lag leaves users waiting on codes that arrive too late.
Cross-border routes drop codes and block global sign-ups.
Wrong or expired codes lock out legitimate customers.
SMS codes are prone to interception, SIM-swaps, and phishing.
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Verified in seconds — no code, no wait.
NOTP transforms authentication from a cost center into a competitive advantage.
NOTP is actively powering authentication flows in production, helping reduce login friction and improve user experience. These insights come directly from live usage — not assumptions.
Whether your systems are on iOS, Android, or web-based, NOTP easily integrates into your existing setup. With a swift and straightforward integration process, you can upgrade your user authentication system without any hassles.
One straightforward rate, no tiers to choose between — costs grow only as your login volume grows.
Drag the slider or type your expected monthly login volume to see your estimate instantly.
40–60% cheaper than typical SMS OTP costs at this volume
Explore our latest insights on passwordless authentication, user security, and modern login experiences.
Everything you need to know about NOTP.
NOTP (No OTP) is a WhatsApp-based authentication solution that lets users securely sign in through a WhatsApp message instead of a traditional SMS OTP. It integrates seamlessly with websites and mobile apps for a faster, more convenient login experience.
Yes. It uses encrypted verification for secure user authentication.
Yes. NOTP offers a secure, faster, and cost-effective alternative to SMS OTP.
E-commerce, fintech, healthcare, logistics, education, and more.
Yes. It works globally through WhatsApp, without SMS limitations.
Businesses can save 40–60% on authentication costs by switching from SMS OTP to NOTP.