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.

<dark-button-outline>Create free account<dark-button-outline>

Trusted by

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.

<dark-button-outline>Learn more<dark-button-outline>

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.

<dark-button-outline>Learn more<dark-button-outline>

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.

<dark-button-outline>Learn more<dark-button-outline>

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 stack.

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
Authsignal Partners with ServiceNow to Launch Native Passkey Authentication to Contact Center Workflows
Authsignal’s ServiceNow integration brings passkey, push, WhatsApp OTP, and biometric authentication to Contact Center workflows, enabling secure inbound and outbound caller verification directly within the ServiceNow platform.
India and the UAE are phasing out SMS OTP
India and UAE are phasing out SMS OTP by 2026 as regulators push for stronger authentication. Discover why SMS is failing, how fraud is rising, and which secure alternatives, like passkeys, biometrics, and in-app authentication, are replacing it worldwide.
First Credit Union & Authsignal | A Passkey Deployment Case Study
Read how First Credit Union and Authsignal partnered to optimize user experience and security with FIDO2 passkeys for their banking customers. A practical case study for product managers planning to deploy phishing-resistant passkeys.
View all articles