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Ory Keto is a free identity governance and administration tool by Ory Corp. Ory Oathkeeper is a commercial identity governance and administration tool by Ory Corp. Compare features, ratings, integrations, and community reviews side by side to find the best identity governance and administration fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Engineering teams building microservices or API-first architectures need Ory Keto if they're tired of baking authorization logic into every service, since it decouples access control as a dedicated layer that enforces policies at sub-10ms latency across distributed systems. The Google Zanzibar architecture means you get strong consistency guarantees that most homegrown RBAC systems lack, and the gRPC API lets you call it directly from services without HTTP overhead. Skip this if you need a UI-driven identity governance platform for compliance audits or you're still running monoliths where pushing authorization calls across the network adds unacceptable latency; Keto is built for teams willing to shift left on policy architecture.
Teams deploying APIs and microservices across hybrid infrastructure need Ory Oathkeeper to enforce authentication and authorization at the proxy layer before requests reach application code. Its rule-based access control via YAML configuration and native integration with Envoy and Ambassador makes it the faster path to zero-trust request validation than building custom middleware. This is not for buyers seeking a full identity platform with user provisioning and lifecycle management; Oathkeeper sits deliberately upstream of those systems, making decisions on what's already authenticated.
Open source authorization server based on Google Zanzibar for access control
Identity & Access Proxy for authenticating, authorizing & mutating HTTP requests
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Common questions about comparing Ory Keto vs Ory Oathkeeper for your identity governance and administration needs.
Ory Keto: Open source authorization server based on Google Zanzibar for access control. built by Ory Corp. headquartered in United States. Core capabilities include Google Zanzibar implementation, gRPC and REST APIs, RBAC, ABAC, and ACL support..
Ory Oathkeeper: Identity & Access Proxy for authenticating, authorizing & mutating HTTP requests. built by Ory Corp. headquartered in United States. Core capabilities include Identity and Access Proxy for HTTP request authorization, Access Control Decision API, Rule-based access control with YAML configuration..
Both serve the Identity Governance and Administration market but differ in approach, feature depth, and target audience.
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