PlainID
Enterprise policy-based access control (PBAC) platform that centralises authorization policies and enforces them at runtime across APIs, data platforms, applications and AI agents.
Quick answer
What is PlainID?
Short answer
PlainID is an enterprise authorization platform built around policy-based access control. Its platform is organised into Discover (visibility into access-control policies for SaaS apps), Manage (standardising authorization) and Authorize (runtime decisions from a "Smart Decision Engine"), with Policy 360 for unified policy visibility. Enforcement happens through "Authorizers" documented for API gateways and meshes (Kong, Apigee, Envoy, Istio, Azure API Management, Amazon API Gateway), data platforms (Snowflake, BigQuery, Databricks, Denodo, Trino, Power BI), IdPs (Microsoft Entra ID, Okta, Ping, Auth0), Zscaler Private Access and LangChain. The docs describe Kubernetes, standalone and hybrid-agent deployments of the runtime components and Structured Rego (OPA-style) policy support.
- Best for
- Regulated enterprises (financial services, pharma) that need one authorization policy layer spanning APIs, data warehouses and applications.
- When to choose
- You need enterprise-grade, centrally governed authorization with native enforcement in data platforms and API gateways, and have budget for a sales-led deployment.
- When not to choose
- You want an open-source or developer-first authorization engine with published pricing for a small number of apps.
- Related tools & categories
- OryCerbosRun the IAM Stack FinderReport: The State of AI Agent Identity 2026
Categories
Common use cases
- Centralised runtime authorization for APIs and microservices
- Row- and column-level data access control in Snowflake, BigQuery and Databricks
- Externalising authorization policies from applications
- Discovering and standardising access policies across SaaS apps
- Authorizing AI-agent and LangChain interactions
Strengths
- Broad documented Authorizer catalog across API gateways, service meshes, data platforms and IdPs
- Runtime PDP deployable on Kubernetes, standalone or as a hybrid agent alongside the SaaS control plane
- Policy 360 visibility and Structured Rego (OPA-compatible) policy authoring
- Named Fortune 500 references (Samsung, Bayer, Wells Fargo, Boeing, Cisco)
Limitations & considerations
- Pricing not published; enterprise sales motion only
- No open-source engine, unlike OPA, Cerbos or SpiceDB-style alternatives
- Deployment topology is not spelled out on the marketing site; buyers must consult docs or sales
- Enterprise-scale platform, likely heavier than a single-app authorization library needs
Pricing model summary
No public price list; contact sales. No pricing page exists on plainid.com (the /pricing/ path returns 404).
Integrations
Fit
Alternatives & comparisons
Open source identity, authorization and zero trust stack (Kratos, Hydra, Keto, Oathkeeper) available self-hosted or as Ory Network SaaS.
Compare PlainID vs Ory →Cerbos is an authorization management platform built around an open source policy decision point (PDP). It enforces fine-grained RBAC, ABAC, PBAC, and ReBAC policies for applications, APIs, workloads, and AI agents.
Compare PlainID vs Cerbos →Veza provides a data-centric identity and access visibility platform, mapping what every identity can do across cloud infrastructure, SaaS, data systems, and on-premises applications to enable access governance and least-privilege enforcement.
Compare PlainID vs Veza →Permit.io provides authorization-as-a-service with a low-code policy management interface, RBAC/ABAC/ReBAC policy support, and a managed policy decision layer — enabling teams to ship fine-grained access control without building it from scratch.
Compare PlainID vs Permit.io →Related glossary terms
Key identity & access terms relevant to PlainID.
PlainID and its logo are trademarks of their respective owner. IDSync is an independent buyer resource and does not imply endorsement unless explicitly stated.