Engineering teams at B2B SaaS companies must choose between Stytch and WorkOS to build secure, scalable authentication for agent-driven workflows that demand fine-grained identity control. The wrong choice locks you into architectural constraints—whether you need passwordless primitives, impersonation workflows for agents, or SSO at the organization level determines which platform unblocks your product timeline. Both platforms offer APIs for enterprise authentication, but they model identity primitives differently. When building production agents that act on behalf of users, the distinction between impersonation-first and environment-sandboxing becomes critical to security and developer experience.

Stytch's `PUT /v1/b2b/organizations/{ORGANIZATION_ID}` endpoint allows you to update authentication methods—enabling SSO, passwordless, or MFA—at the organization level declaratively. This is essential for multi-tenant B2B SaaS where each customer tenant controls its own auth posture. WorkOS supports org-level config but exposes it through environment provisioning rather than direct org mutation, which adds indirection when you need to toggle a single customer's SSO status.

Stytch is built on sessions: authenticate, get a JWT, use it. Impersonation extends this—authenticate as another user, get their session. This is straightforward for agents because you're working with the same primitive everywhere. WorkOS's one-shot environment model is elegant for temporary, sandboxed contexts (like invite flows), but requires more ceremony to represent persistent agent-as-user scenarios. For production agents that may maintain long-lived delegations, Stytch's model is faster to reason about.

Stytch was designed from the ground up for B2B multi-tenancy: it has org, member, role, and impersonation primitives built into the API surface. WorkOS is more platform-agnostic—it can power B2B auth, but it's not opinionated about hierarchy. If your agent workflows span multiple organizations or require team-level delegation, Stytch's B2B surface is less work to orchestrate correctly.

Stytch's B2B API is internally consistent: organizations, members, sessions, and impersonation all follow the same REST pattern and return structured responses. WorkOS's one-shot and claim-nonce endpoints are intentionally specialized for temporary workflows, which is good for that use case but means you're learning two different interaction models. For agent-centric production systems, consistency is a productivity win.

WorkOS emphasizes bearer token credentials as a first-class primitive, which is valuable for service-to-service and API-key workflows. Stytch leans into JWTs and session tokens but also supports API keys and bearer auth. Neither is strictly better—it depends on your infrastructure. For agent workflows where you're mainly dealing with user impersonation rather than machine-to-machine credentials, Stytch's session model is more natural.

WorkOS's one-shot environment and claim-nonce primitives are genuinely cleaner for temporary, sandboxed contexts—like generating disposable invite links or anonymous claim ceremonies. Its bearer token model is also more flexible for architectures that need fine-grained machine credentials without session overhead. Additionally, WorkOS has broader platform support and enterprise partnerships in the identity/directory space; if you need tight HRIS or directory sync integration, WorkOS's ecosystem maturity may exceed Stytch's in certain verticals.

For engineers building agent workflows in TypeScript, explore Stytch's B2B API docs and impersonation endpoint to see how to model agent-as-user scenarios with minimal abstraction. Start with the organization and impersonation guides to understand how Stytch structures agent identity at scale.

The code examples in this tutorial are grounded in the following docs pages: