WorkOS

A developer platform providing APIs and building blocks to add enterprise features like single sign-on, user management, and directory sync to applications. It sells to software developers and engineering teams at SaaS companies of all sizes, from startups to enterprises. The platform is positioned as a unified, developer-first solution that abstracts multiple enterprise integrations behind a single API, enabling rapid implementation.

Key features

• Single Sign-On (SSO) integration
• User management and authentication
• Directory Sync (SCIM)
• Role-Based Access Control (RBAC)
• Multi-Factor Authentication (MFA)
• Bot and fraud protection
• Audit logs and event streaming
• Admin Portal for enterprise onboarding
• Customizable authentication UI (AuthKit)
• Magic auth (passwordless email codes)
• Social authentication (Microsoft, Google)
• MCP Auth for MCP servers
• Vault for encryption key management
• Pipes for integrations
• RESTful APIs with JSON responses
• Webhook events for realtime updates
• SDKs for Node.js, Ruby, Python, .NET, Go
• Multiple environments support