Who is OpenID Foundation (OIDF)?
OpenID Foundation (OIDF) is a non-profit standards organization that develops and promotes open identity and authentication protocols used across web, mobile, and API-based systems.
- Stewardship and standardization of OpenID-based digital identity and authentication protocols (identity and access management)
- Development and maintenance of technical specifications for federated login, Single Sign-On (SSO), and identity assurance (identity federation)
- Conformance, certification, and interoperability testing programs for OpenID implementations (compliance and testing)
- Technical working groups and community processes for protocol evolution and security analysis (standards development governance)
- Liaison and coordination with other identity, security, and privacy initiatives and standards bodies (cross-standards collaboration)
Show more
More About OpenID Foundation (OIDF)
OpenID Foundation (OIDF) focuses on open technical standards for digital identity that are adopted by enterprises, cloud providers, financial institutions, governments, and large-scale online service operators. Its specifications provide mechanisms for users to authenticate and authorize access across multiple applications and domains using interoperable protocols. Organizations use these standards to implement SSO, federation between identity providers and relying parties, and policy-based access control over APIs and web resources.
OIDF is responsible for the OpenID family of protocols and related specifications (identity and access management). These include widely deployed web and Application Programming Interface (API) authentication frameworks that support OAuth-based authorization flows and JSON-based security tokens. The protocols enable an Identity Provider (IdP) to assert user identity and other claims to a relying party in a structured, verifiable format, typically using JSON Web Tokens (JWTs), JSON metadata, and HTTPS-based discovery and registration mechanisms. Implementations commonly integrate with enterprise identity stacks, including SSO platforms, directory services, and access management gateways.
Within enterprise architectures, OIDF standards are often placed in the identity federation and customer identity and access management (CIAM) categories. They support use cases such as login with a third-party IdP, secure access to Software-as-a-Service (SaaS) applications, delegated access to APIs, and step-up authentication based on risk or regulatory requirements. The specifications are designed to be compatible with common web security building blocks such as Transport Layer Security (TLS), Open Authorization 2.0 (OAuth 2.0), JSON Web Token (JWT), JSON Web Signature (JWS), and JSON Web Encryption (JWE), providing a protocol layer for authentication, claims transmission, and discovery.
OIDF operates technical working groups that publish specifications, security considerations, and best-practice deployment guidance. These groups cover areas such as core authentication flows, identity assurance, dynamic client registration, logout mechanisms, and security profiles for financial-grade and high-security environments. Enterprises and vendors participate in these working groups to align commercial implementations with the published standards, reduce fragmentation, and maintain interoperability across identity providers and relying parties built by different organizations.
For marketplace and directory classification, OpenID Foundation is positioned in the digital identity standards and identity and access management (IAM) categories. Its work is directly relevant to federated identity, customer and workforce SSO, secure API access, and cloud security architectures where multiple services must rely on shared authentication and authorization frameworks. Vendors of identity platforms, SDKs, and cloud services typically implement OIDF specifications to enable standardized login experiences, claims-based access control, and integration with partner and third-party identity ecosystems.
Our description of OpenID Foundation (OIDF). Updated December 2025.
