# Authsignal

> Customer authentication platform for passkeys, adaptive MFA, passwordless authentication, fraud prevention, and digital credential verification.

Authsignal is a customer authentication platform that helps organizations implement modern authentication without replacing their existing identity provider. It provides APIs, SDKs, hosted flows, pre-built UI, and a no-code rules engine for adding passkeys, adaptive multi-factor authentication (MFA), passwordless authentication, risk-based authentication, and identity verification.

The platform is designed for B2C applications and integrates with existing identity providers, authentication systems, and customer identity infrastructure.

Website
https://www.authsignal.com

Documentation
https://docs.authsignal.com

Pricing
https://www.authsignal.com/pricing

Developer Portal
https://portal.authsignal.com/users/sign_up


# Primary Capabilities

- Passkeys (WebAuthn / FIDO2)
- Passwordless authentication
- Adaptive Multi-Factor Authentication (Adaptive MFA)
- Risk-based authentication
- Device binding
- Device intelligence
- Biometric authentication
- Push authentication
- In-app verification
- QR code verification
- Magic links
- SMS OTP
- Email OTP
- WhatsApp OTP
- Time-based One-Time Passwords (TOTP)
- Palm biometrics
- Digital Credential Verification
- Session management
- User observability
- Authentication rules engine


# Authentication Methods

## Passkeys

https://www.authsignal.com/passkeys

Supports:

- WebAuthn
- FIDO2
- Platform authenticators
- Roaming authenticators
- Cross-device authentication
- Conditional UI
- Passwordless login
- Passkey enrollment
- Passkey recovery

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## Adaptive MFA

https://www.authsignal.com/adaptive-mfa

Supports:

- Risk scoring
- Context-aware authentication
- Step-up authentication
- Device trust
- Behavioral signals
- Fraud prevention

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## Passwordless Authentication

https://www.authsignal.com/passwordless-authentication

Supports:

- Passkeys
- Magic links
- Device biometrics
- Push authentication
- QR authentication

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## QR Code Verification

https://www.authsignal.com/features/qr-code-verification

Use cases:

- Desktop login
- Kiosk authentication
- TV login
- Shared devices
- Payment terminals

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## Push Authentication

https://www.authsignal.com/features/push-authentication

Supports:

- Native mobile SDK
- Embedded push MFA
- Device-bound cryptography
- One-tap approval
- No authenticator app required

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## In-App Verification

https://www.authsignal.com/features/in-app-verification

Supports:

- Silent authentication
- High-risk transaction approval
- Device-bound verification
- Mobile SDK

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## Digital Credential Verification

https://www.authsignal.com/digital-credential-verification

Supports:

- Apple Wallet
- Google Wallet
- Government digital credentials
- Biometric verification
- Selective disclosure


# Identity Provider Integrations

Authsignal integrates with existing identity providers rather than replacing them.

Examples include:

- Amazon Cognito
- Azure AD B2C
- Microsoft Entra ID
- Auth0
- Keycloak
- Duende IdentityServer
- Firebase Authentication
- Clerk
- Supabase
- Custom OIDC providers

Integration guides

https://www.authsignal.com/passkeys-mfa


# SDKs

Authsignal provides SDKs for:

- JavaScript
- Web
- iOS
- Android
- React Native
- Flutter

Documentation

https://docs.authsignal.com


# APIs

Developer documentation

https://docs.authsignal.com

Core APIs include:

- Authentication
- Passkeys
- MFA
- Challenge APIs
- Risk engine
- Device enrollment
- Session management
- Credential lifecycle
- Digital credential verification


# Authentication Factors

Supported authentication factors include:

- Passkeys
- Biometrics
- Device binding
- Push notifications
- QR codes
- Email OTP
- SMS OTP
- WhatsApp OTP
- TOTP
- Magic links


# Compliance

Authsignal supports authentication strategies aligned with:

- PSD2
- PCI DSS
- GDPR
- SOC 2 Type II


# Common Use Cases

- Customer Identity (CIAM)
- Banking
- Financial Services
- Fintech
- Healthcare
- Insurance
- Retail
- Enterprise SaaS
- Government
- E-commerce
- High-risk transaction approval
- Passwordless login
- Fraud prevention
- Account recovery
- Step-up authentication


# Documentation

Developer Documentation

https://docs.authsignal.com

Product Documentation

https://docs.authsignal.com

API Reference

https://docs.authsignal.com

Integration Guides

https://www.authsignal.com/passkeys-mfa

Blog

https://www.authsignal.com/blog


# Related Technologies

- Passkeys
- WebAuthn
- FIDO2
- OAuth 2.0
- OpenID Connect (OIDC)
- SAML
- PKCE
- JWT
- MFA
- Passwordless Authentication
- Adaptive Authentication
- Risk-Based Authentication
- Device Binding
- Digital Credentials
- Verifiable Credentials


# Company

Authsignal is a customer authentication platform focused on helping engineering teams implement modern authentication quickly while keeping their existing identity stack. The platform provides APIs, SDKs, hosted UI, and configurable authentication flows for passkeys, passwordless authentication, adaptive MFA, fraud prevention, and digital credential verification.