Authentication for consumer apps
Auth exactly the way you want it
Build your auth once, and keep up with all the latest features. Deliver a smooth and secure login experience to your users without any headaches.
Leave your auth roadmap to us
Authentication methods for any use case
From social logins to passkeys, passwords, and more—Stytch offers best-in-class authentication for any application and use case.
Web3 authentication
Stytch SDK integrates directly with Ethereum and Solana.
SMS and email provider failover
Reliable and timely delivery of login or authentication emails and text messages.
Connect your users to other applications
Power cross-application integrations, secure data sharing, AI workflows, and more.
Machine-to-machine authentication
Enable your services to communicate and authenticate without any human involvement.
Session management
Maximize security with session tokens that give control over validating and revoking sessions.
Bot and fraud protection with intelligent rate limiting
Secure your application with zero-day device intelligence, 99.99% bot detection accuracy, and reverse engineering protections.
Web & mobile UI components
Customize your login experience with pre-built components.
Device-aware multifactor auth
Device fingerprint-powered invisible CAPTCHA and MFA removes login friction.
As much control as you want
Easily embed ready-to-use login and signup components into your app. Keep users on your own domain, and match your own CSS to align to your brand.
Learn about Stytch pre-built UI
What engineering teams are saying
Partnering with Stytch has really eliminated the pain of having to manage and maintain an immense authentication system. Using a drop-in solution is so much simpler, as is having a team of experts by our side every step of the way.
Partnering with Stytch has really eliminated the pain of having to manage and maintain an immense authentication system. Using a drop-in solution is so much simpler, as is having a team of experts by our side every step of the way.
A more secure and flexible way to add Social SSO
Faster OAuth integration
Stytch normalizes data models and nomenclature across providers, making OAuth easy and intuitive to integrate.
Automatic account deduplication
If a user signs up with their email address and later signs in via social login, Stytch automatically links and safely de-duplicates the accounts.
Google One Tap
Stytch automatically detects a user’s logged-in Chrome or Gmail session for a frictionless login experience.
The Stytch difference
 |  | |
|---|---|---|
Option for headless SDK and UI whitelabeling | ||
Option for headless SDK and UI whitelabeling | Supported | Not supported |
OTP, built-in email & SMS with provider failover | ||
OTP, built-in email & SMS with provider failover | Supported | Not supported |
Native mobile biometrics | ||
Native mobile biometrics | Supported | Not supported |
Google One Tap support | ||
Google One Tap support | Supported | Not supported |
Automatic account deduplication | ||
Automatic account deduplication | Supported | Not supported |
Web3 login | ||
Web3 login | Supported | Not supported |
Authentication and authorization supercharged with device intelligence
The most advanced fraud and abuse prevention built-in. Protecting your users and application by unlocking powerful authentication features.
Fingerprint protected auth
SDK that protects your application from account takeover (ATO) and related attacks by implementing a Device Fingerprinting check on every authentication request.
Better OTP & 2FA checks
Remove login friction for your users by only requiring multi-factor authentication when your they log in from unrecognized devices.
Bot-proof CAPTCHA
Automatically run stronger CAPTCHA that revamps the public key pattern and makes it nearly impossible to solve via CAPTCHA-cracking services and AI agents.
Smart magic links
Reliable delivery of email magic links that work with and pass enterprise-level security link checkers.
Authentication & Authorization
Fraud & Risk Prevention
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