Authentication & Login for Modern Apps | Authgear
Authentication for modern apps
Identity platform for user authentication & authorization. Everything you need to ship secure, high-conversion login flows without rebuilding your app.
Free plan includes unlimited MAUs
Fast to Implement. Seamless to Use.
Seamless login & onboarding
Add auth in minutes
Secure & flexible RBAC
Customize to fit your brand
Authentication methods users love
Passkeys, passwordless, biometric login, social providers, and classic passwords—pick what fits your audience
SMS, WhatsApp & Email One-Time Password
Six-digit OTP via SMS, WhatsApp or email, with rate limiting, cooldowns, and expiry controls
Magic Links
One-tap email login for quick re-entry
Social Login
Apple, Google, Facebook, GitHub, LinkedIn, WeChat and more
Adaptive MFA
Step-up the right users at the right time; support TOTP, passkeys, OTP, and additional password
Anonymous Users
Let users try your app instantly, then convert seamlessly when the moment's right
Re-auth
Require an extra check before profile edits, payments, or key approvals
Bot & Fraud Detection
CAPTCHA and rate limits reduce abuse and SMS pumping risk
Single Sign-On (SSO) everywhere
SSO across web applications and mobile applications
Branding & Theming
Apply your logo, colors, and copy to hosted login pages—or build a fully custom UI while Authgear handles the auth logic.
M2M Tokens
Require an extra check before profile edits, payments, or key approvals.
Developer Experience
SDKs
JavaScript/TypeScript (web & SPA), iOS (Swift), Android (Kotlin), React Native, Flutter,…
Admin API
Provision users, assign roles, and query logs programmatically.
Use Cases
Global QSR Streamlines Frontline Login with Authgear
K11 Unifies Login Across Lifestyle Apps with Authgear
Hongkong Land Streamlines Staff & Partner Access with Authgear
Ready to transform your authentication experience?
Ready to explore Authgear? Request a demo today!
Free plan includes unlimited MAUs.