Authsignal secures millions of passkey transactions out of our hosted Sydney region.

Authsignal secures millions of passkey transactions out of our hosted Sydney region.

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Email OTP

Deliver Email OTPs Anywhere in the World.

Email OTPs are a globally accessible verification method that users already trust. Authsignal makes it easy to add Email OTP to your web or mobile app with minimal engineering effort.

Passwordless

Optimize your customer experience and security. Step up to a Passwordless world today.

Biometrics (WebAuthn/FIDO2)

Use modern web and mobile browsers with built-in biometrics and specialized hardware devices like YubiKeys.

Send one-time passcodes via Email.

Universally accessible and device-agnostic
Trusted and familiar method with no app required
Universally accessible and device-agnostic
Universally accessible and device-agnostic

Partnering with Authsignal is Simple and Powerful

Start Today, No Cost

Create a free account for full access and begin integrating immediately.

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Quick & Easy Integration

Follow our step-by-step guides to get up and running without friction.

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Expert Support Anytime

Access our exclusive private Slack channel for tailored advice and real-time support from our team.

Support

Flexible Pricing Options

Plans start at just $99 per month, or connect with sales for enterprise solutions tailored to your needs.

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Frequently asked questions

How does Authsignal integrate with our current stack?

Authsignal offers an API integration approach. We offer SDKs and APIs, and also support OIDC pathways to integrate.

What happens if users don’t get the email?

Authsignal offers hosted UX flows for users to retry and send. Authsignal manages retries and fallback orchestration (e.g., switch to SMS) and can expose troubleshooting links. We encourage all customers to enroll users using a primary and secondary authentication method.

Can I use my email service provider?

Yes, Authsignal offers webhooks to enable you to configure and customise your email.

How long does it take to deploy Email OTP?

Most teams go live within days.

Can we configure how long email OTP codes are valid for?

Yes, this is configurable.

Features

Secure your customers’
accounts today with Authsignal

Resources

SMS OTP Replacement in 2025: What Leading Companies Are Implementing
Discover why leading companies are replacing SMS OTP by 2025. Learn about security risks, global compliance changes, hidden SMS costs, and the best alternatives like passkeys and WhatsApp OTP. Future-proof your authentication with Authsignal.
Open article
Beyond Standard Authentication: When to Augment AWS Cognito with Authsignal
Modernize authentication effortlessly with Authsignal. While Cognito covers the basics, Authsignal adds the extra security and flexibility your app needs—seamlessly enhancing authentication without heavy engineering work.
Open article
CISA Endorses FIDO Passkeys: Protecting Against Telecommunication Network Interception.
Authsignal helps organizations comply with the CISA Mobile Communications Best Practice Guidance by offering drop-in phishing-resistant passkeys, strong MFA fallback methods, and WhatsApp OTP as an encrypted and reliable alternative to SMS
Open article
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