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Modular open-source identity stack — CIAM, B2B IAM, workforce, and AI agent identities — with trillion-scale stateless architecture and a managed SaaS option.
Open-source identity infrastructure from Germany: modular, headless components for customer login, B2B access and machine identities, self-hosted or as a managed cloud.
Ory is an open-source identity and access management platform built for modern, cloud-native architectures. Its modular, headless design lets teams compose exactly the identity stack they need, from customer login flows to B2B delegated access to machine identities for AI agents.
The Ory ecosystem includes Kratos (identity management), Hydra (OAuth 2.0/OIDC server), Keto (permissions), and Oathkeeper (reverse proxy). Each can be deployed independently or combined via Ory Network, the fully managed SaaS. With stateless horizontal scaling, the platform is proven at 2.5+ billion identities.
Key features:
- CIAM, B2B IAM, Workforce IAM, and Agent IAM with purpose-built flows for each use case
- Headless architecture that lets you bring your own UI and integrate into any stack
- Modular OSS components spanning Kratos, Hydra, Keto, and Oathkeeper (Apache 2.0)
- Ory Network, a fully managed cloud with zero-ops deployment
- Trillion-scale stateless horizontal scaling with full observability
- AI agent identities purpose-built for securing non-human actors
- Enterprise license for on-premises deployment with premium support
Used by OpenAI, Société Générale, Mistral AI, Axel Springer, and commercetools. The full stack is open source, auditable, and self-hostable, with Ory Network for teams that want a managed option.
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