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Passkeys.io is a developer service for adding passkey-based, passwordless authentication to web applications. It targets teams that want to use WebAuthn while avoiding the complexity of implementing and operating the authentication flow themselves.
💡 Pick it when you need passkeys plus a mature, full-featured customer identity platform.
Auth0 provides a comprehensive platform for authentication and authorization.
Free tier available. Paid plans start at $23/month.
💡 Choose it for a fast, polished passkey integration in React or Next.js products.
Clerk is a modern authentication and user management platform for developers.
Starting at $0/month
Stytch
💡 Pick it when passkeys must coexist with flexible API-first consumer or B2B authentication.
Stytch is an API-first authentication platform for consumer and business applications. It focuses on passwordless methods, passkeys, email and SMS flows, fraud-resistant...
Free tier; usage-based pricing
Descope
💡 Use it when you need visual orchestration for passkeys, MFA, and multi-step identity flows.
Descope is a passwordless customer identity platform with visual authentication flows, SSO, MFA, user management, and authorization features. It serves developers and...
Free tier; paid plans vary
💡 Choose it if you want a passkey-first, open-source stack with self-hosting and greater control.
Hanko is an open-source authentication stack centered on passkeys and passwordless sign-in. It offers embeddable web components, APIs, and a hosted cloud...
Open source; hosted cloud has a free tier and paid usage plans
💡 Pick it when self-hosting, standards support, and full customer identity controls matter most.
FusionAuth is a complete identity and access management tool that provides authentication, authorization, and user management for any app.
Free for unlimited users, with paid support options
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