Auth

Ory (Kratos)

Modular, headless identity engine for highly customized login and session management.

Overview

Ory Kratos is an API-first, headless identity solution that lets teams build fully customized authentication flows without UI lock-in. It separates frontend rendering from backend verification, supporting OAuth2, OIDC, social, and passwordless methods. The ecosystem scales well for decoupled architectures and integrates with other Ory modules for consent and authorization.

Best for

headless API-first auth
highly customized login flows
decoupled frontend/backend stacks

Trade-offs

vs Lucia Auth

Ory provides enterprise-grade modularity and flow composability; Lucia is lighter, framework-agnostic, and requires less infrastructure for simple session management.

What XeroHack pre-wires

When you pick Ory (Kratos) in the interview, the engine emits these files into your scaffold:

Kratos CLI
Next.js middleware
Docker setup
UI override templates

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