WorkOS

Definition

WorkOS is a developer platform that provides a set of APIs for adding enterprise-readiness features to business software, including single sign-on, directory sync (SCIM), audit logs, and role-based access control. It is aimed at engineering teams at B2B software companies who need to satisfy enterprise procurement requirements without building and maintaining this identity infrastructure in-house. It lets product teams satisfy enterprise procurement checklists quickly by delegating the underlying identity provider integrations to a managed service.

Overview

Selling software to large enterprise customers typically comes with a checklist of security and identity requirements that smaller companies do not need to satisfy: single sign-on through the customer's own identity provider, automatic user provisioning via directory sync, detailed audit logs, and sometimes fine-grained access control. For an engineering team focused on its core product, building and maintaining support for the many identity provider protocols and variations enterprise customers use is a significant distraction. WorkOS was created to let companies check these boxes through a small set of well-documented APIs. WorkOS exposes discrete API endpoints rather than a single monolithic identity system: a Single Sign-On API abstracts away the differences between SAML and OIDC identity providers so a company writes one integration instead of one per customer; a Directory Sync API normalizes SCIM-based user provisioning from various HR and identity systems; and separate APIs cover audit logs, magic link authentication, and admin portals where customer IT staff configure their own SSO connection. This API-first, modular approach lets a product team adopt only the pieces they need and build their own UI around them. WorkOS competes with Frontegg, Auth0, and Stytch in the customer identity space. Its differentiation is a narrower, more surgical focus on enterprise-readiness features specifically, rather than being a full authentication system replacement; many WorkOS customers already have their own authentication for regular users and add WorkOS specifically to support enterprise SSO and provisioning requests from larger accounts. In practice, engineering teams integrate WorkOS when their sales team encounters a large customer whose procurement process requires SSO or SCIM support that the product does not yet have, since building that support from scratch per identity provider can take substantial engineering time. WorkOS's admin portal also lets the customer's own IT team self-configure their SSO connection, removing that burden from the vendor's support team. Because WorkOS is a hosted third-party service, adopting it creates a dependency on an external provider for a security-critical function, and companies must evaluate its reliability and data handling practices carefully. Teams that need a complete authentication system, not just enterprise-readiness add-ons, may find a fuller platform like Auth0 or Frontegg a better fit than assembling WorkOS's more modular APIs. Because each API is scoped narrowly to one enterprise-readiness concern, teams can adopt Single Sign-On first to unblock a stalled enterprise deal and add Directory Sync or audit logs later, without re-architecting whatever authentication system already serves their regular users.

Key Features

• Provides a unified API abstracting SAML and OIDC single sign-on
• Normalizes SCIM-based directory sync across identity providers
• Offers audit log APIs for enterprise compliance requirements
• Includes a self-service admin portal for customer IT teams
• Supports magic link and passwordless authentication flows
• Focuses narrowly on enterprise-readiness rather than full auth replacement
• Ships SDKs across major backend languages and frameworks
• Documents integration patterns for common identity providers

Use Cases

Alternatives

Frequently Asked Questions

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