SMS Cost Optimization

Optimize SMS costs and uplift security with passkeys and WhatsApp OTP.

The business case for WhatsApp OTP and Passkeys. Optimize SMS costs by up to 90% by Authsignal.

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The Unseen Costs of SMS OTPs.

No matter the industry, if you’re using SMS OTPs, you’re incurring not only the base OTP cost but also extra charges from failed or incomplete login attempts by customers.

Stop wasting money on SMS OTP.

How to reduce your SMS OTP costs by up to 90%.

Passkeys

With 99% of users now equipped with passkeys via devices or password managers, they provide a secure, phishing-resistant, and budget-friendly alternative to SMS OTPs, improving both security and user experience.

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WhatsApp OTP

With over 3 billion active users, WhatsApp OTP provides a familiar, secure, and cost-efficient alternative to SMS OTPs, boosting authentication reliability and user experience.

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Passkeys overcome SMS OTP challenges.

Air New Zealand reduced SMS cost by 90%.

How Air New Zealand a leading Airline saved 90% on SMS costs by implementing Passkeys and WhatsApp-first OTP with SMS fallback.

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Fastest way to integrate MFA and Passkeys

Rapid deployment with pre-built UI, components, SDKs, and rules engine.

Unified authentication user experience

Combine passkeys, biometrics, and MFA into a seamless user experience.

Integrates with your Identity-Provider (IDP)

Integrate MFA and passkeys into any identity slack.

Implement best practices with expert support

Receive expert guidance and support to achieve top-tier passkey adoption rates.

Frequently asked questions

What are the benefits of using WhatsApp OTP over SMS OTP?

WhatsApp OTPs offer a cost-effective and reliable alternative to SMS OTPs. Leveraging WhatsApp's extensive user base, businesses can deliver OTPs at lower costs while maintaining high delivery rates.

Secure your customers’ accounts today with Authsignal.
Resources
How to Add Push Authentication in Your React Native App With Authsignal
Learn how to implement push authentication in your React Native app using Authsignal. Replace passwords with secure one-tap verification for simpler, stronger user authentication.
Embedding Passkeys into Your App Workflows: Why Authsignal's Approach Stands Out
Discover how to embed passkeys into your app workflows. Learn why Authsignal’s non-IdP approach enables seamless, risk-based authentication without the need for identity system overhauls—saving time and reducing friction.
Twilio Verify vs Authsignal: The Twilio Alternative That Does More With Less Dev Effort
Looking for a Twilio Verify alternative? Discover how Authsignal provides a complete step-up authentication solution with passkeys, adaptive MFA, and powerful no-code policy tools—all with minimal engineering effort.
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