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Identity

WorkOS AuthKit

Managed application authentication and user management built around WorkOS enterprise identity capabilities.

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Editorial verdict

Choose AuthKit when a product wants managed authentication and expects enterprise SSO or directory-driven identity to become a first-class requirement.12

Best for

  • B2B products that need authentication plus enterprise identity
  • Teams that want hosted or embedded sign-in with managed users and organizations
  • Applications planning for SSO and directory provisioning
12

Not ideal for

  • Teams seeking only a standalone SSO or Directory Sync API
  • Products with a hard self-hosting requirement
  • Applications whose primary need is consumer authentication without enterprise workflows
1
Main trade-off

AuthKit creates a coherent enterprise-ready identity path, but ties application authentication to the broader WorkOS platform and its connection-based pricing.13

Product boundary

Decide whether WorkOS should own both application authentication and the enterprise identity path.

AuthKit is the WorkOS managed application-authentication product backed by User Management; it is distinct from the standalone WorkOS Enterprise Identity APIs entry for teams keeping an existing auth system.123

For: B2B SaaS teams choosing managed authentication with near-term enterprise SSO, organization, or provisioning needs

  • The application already has authentication and only needs SSO or Directory Sync
  • Enterprise federation is not expected in the planning horizon
  • Identity data must be self-hosted
  • Production connection volume materially changes projected cost

Why teams consider WorkOS AuthKit

  • Enterprise-ready pathAuthentication, users, organizations, SSO, and provisioning can share one product model.12
  • Managed sign-inAuthKit supplies hosted and embedded authentication experiences backed by WorkOS User Management.1
  • Generous user tierThe published User Management tier includes up to one million users before user-volume charges.3

Pricing

Large included user tier plus block-priced user growth and separately metered enterprise connections3

Launch

AuthKit and User Management — free up to 1 million users

User Management pricing begins only after the first one million users.3

Scale users

Additional 1 million users — $2,500/month

User volume is billed in additional one-million-user blocks according to the published pricing page.3

Add enterprise identity

SSO or Directory Sync — from $125/connection/month

Each product is connection-priced with published volume tiers; production connections are billed separately.3

Custom domain
$99/month on the published pricing page.3
Environment rule
Staging connections are free; production connections are billable.3
Pricing checked View official pricing

WorkOS AuthKit vs alternatives

Clerk

Choose when
The product needs the broadest general SaaS authentication default and polished account components.
Compared with WorkOS AuthKit
Enterprise identity is available but is less central to the product's positioning.56

Auth0

Choose when
A mature, highly configurable CIAM platform is more important than a narrower B2B identity path.
Compared with WorkOS AuthKit
The platform brings more configuration and plan complexity.78

Better Auth

Choose when
Authentication must remain application-owned and self-operated.
Compared with WorkOS AuthKit
The team operates more of the identity and enterprise integration surface.910

Resources and sources

Official resources

  • AuthKit documentation
    Open
  • WorkOS users and organizations
    Open
  • WorkOS pricing
    Open
  • WorkOS security
    Open

Starter stacks

  1. 1
    AuthKit documentation

    WorkOS · Accessed Official

  2. 2
    WorkOS users and organizations

    WorkOS · Accessed Official

  3. 3
    WorkOS pricing

    WorkOS · Accessed Official

  4. 4
    WorkOS security

    WorkOS · Accessed Official

  5. 5
    Clerk documentation

    Clerk · Accessed Official

  6. 6
    Clerk Organizations

    Clerk · Accessed Official

  7. 7
    Auth0 documentation

    Auth0 · Accessed Official

  8. 8
    Auth0 enterprise identity providers

    Auth0 · Accessed Official

  9. 9
    Better Auth introduction

    Better Auth · Accessed Official

  10. 10
    Better Auth organization plugin

    Better Auth · Accessed Official