PlainID is the leading runtime authorization platform securing access for Fortune 500 organizations.
PlainID is the market leader in authorization and policy management, trusted by Fortune 500 organizations to secure access for millions of identities. Its Runtime Authorization Platform controls what every identity can access, do, and expose in real time—defining boundaries for AI agents, protecting sensitive data, and enforcing fine-grained authorization across APIs, microservices, and applications.
PlainID is the market leader in authorization and policy management for the world's largest financial services organizations, addressing access control for employees, customers, and third parties. Trusted by Fortune 500 enterprises to secure access for millions of identities, its Runtime Authorization Platform gives organizations real-time clarity over what every identity can access, do, and expose—across AI agents, data, APIs, microservices, and applications. It enforces Zero Standing Privileges, centralizes policy management with distributed enforcement, and uses one policy language across all systems. Customers include Cisco, FM Global, Wells Fargo, and Accenture, and PlainID is recognized by Gartner and KuppingerCole as a leading provider in authorization, data security, and API security.