OpenID Federation
in the wild.
Governments, academic networks, and identity platforms are adopting, piloting, or specifying OpenID Federation — and AI-agent identity researchers are naming it as the trust fabric for machine-to-machine identity. Status varies by sector; every link below goes to an authoritative source.
Named adoptions, specifications, and pilots.
Documented examples of OpenID Federation being adopted, piloted, or specified across sectors. Every entry links to an authoritative source.
- EUEuropean Digital Identity Wallet (eIDAS 2.0 ARF)ARF reference
The Architecture and Reference Framework references OpenID Federation for cross-border wallet trust establishment.
- ITItaly — SPID / CIE OIDC FederationPublished technical rules (Jan 2023)
AgID published OpenID Connect Federation technical rules for SPID and CIE in January 2023; reference implementation italia/spid-cie-oidc-django.
- ITItaly national eID (2022)Chosen as trust architecture
OpenID Federation was chosen in 2022 for Italy's national eID to federate IdPs across thousands of applications (per Connect2id's OpenID Federation overview).
- SESweden Connect technical frameworkIntroducing OpenID Federation (2025)
The Swedish eID framework is adding OpenID Federation support during 2025, alongside the existing Sweden Connect SAML profile.
- GÉANTeduGAIN — OpenID Federation pilot12-month pilot (GN5-2, started Jul 2025)
GÉANT eduGAIN is piloting OpenID Federation as the future trust technology alongside SAML.
- EUDC4EU final report (Feb 2026)Pluralistic trust model proposal
Proposes a pluralistic trust model using eduGAIN + OpenID Federation for the EUDI wallet.
- SESUNET — satosa-idpyReference implementation
OpenID Federation-capable OP frontend for SATOSA. SUNET hosted the Stockholm 2025 interop event.
- OIDFOpenID Foundation — Identity Management for Agentic AI (Oct 2025)Whitepaper
Names OpenID Federation with HTTPS-based identifiers as a candidate interoperable trust fabric for agents operating across diverse domains without a central identity provider.
- IndustryPing Identity — Identity for AI (April 2026)IAM vendor briefing
IAM vendor publication on AI-agent identity architecture.
- ResearchAcademic research — arXiv 2510.25819Preprint
Identity Management for Agentic AI: the new frontier of authorization, authentication, and security for an AI-agent world.
Proven across countries and implementations.
OpenID Federation implementations meet to interoperate. Two recent events anchor the specification's maturity.
30 delegates, 14 implementations. Participants from 15 countries: Sweden, Finland, Netherlands, Italy, Germany, Denmark, Portugal, Poland, Serbia, Croatia, UK, Brazil, Australia, New Zealand, US.
12 participants, 9 implementations from Croatia, Finland, Greece, Italy, Netherlands, Poland, Serbia, Sweden, and the US. OpenID Federation 1.0 reached Final status around the same date.
Known OpenID Federation implementations.
The OpenID Foundation maintains the canonical directory of known implementations by language and commercial product. Below is a representative selection — jump straight to the official registry for the full list.
- Go
- Java
- Kotlin
- Python
- PHP
- Node.js
A spec-complete JavaScript implementation.
@oidfed is a spec-complete JavaScript implementation of OpenID Federation 1.0. Runtime-agnostic, spec-compliant, built on Web API standards. Apache 2.0 licensed (with MIT-licensed apps) and free to use.
4 spec packages, 3 apps, 14 CLI commands. Runs identically on Node.js, Deno, Bun, workerd, Electron, and browsers. Source at github.com/Dahkenangnon/oidfed.
Reached final. Splitting next.
OpenID Federation 1.0 reached final specification status in February 2026. The working group is preparing a 1.1 split that separates the core federation protocol from entity-type-specific profiles.
Deep dive in the Learn app- OpenID Federation 1.0Final specification
- OpenID Federation 1.1Final specification
- OpenID Federation for OpenID Connect 1.1Final specification
- OpenID Federation Extended Subordinate Listing 1.0Working group draft
- OpenID Federation Entity Collection 1.0Working group draft
- OpenID Federation for Wallet Architectures 1.0Working group draft
- ACME with OpenID Federation 1.0Working group draft
Adoption narratives and retrospectives.
Curated essays, blog posts, and reports that explain why organizations are adopting OpenID Federation — from spec editors, federation operators, national wallet teams, and individual contributors.
- A Trusted Foundation for the EUDI Wallet in Research and EducationPaul den Hertog, Niels van Dijk, Klaas Wierenga · GÉANT CONNECT · Jul 2025
The DC4EU case for integrating eduGAIN with the EUDI Wallet via OpenID Federation — framed around institutional autonomy, differentiated Levels of Assurance, and digital sovereignty.
- The Journey to OpenID Federation 1.0 is CompleteMike Jones · self-issued.info · Feb 2026
Spec co-editor retrospective on a decade of work — from Lucy Lynch challenging Roland Hedberg at TNC 2016 to Final status, security analysis by University of Stuttgart, and the 2026 Amsterdam interop.
- Nine countries prove OpenID Federation interoperabilityOpenID Foundation · Feb 2026
Twelve implementers, nine independent implementations, nine countries — Croatia, Finland, Greece, Italy, Netherlands, Poland, Serbia, Sweden, US — successfully interop-tested at TIIME Amsterdam.
- Selecting OpenID Federation for the DCC & Credential Engine Issuer RegistryR.X. Schwartz · Digital Credentials Consortium blog · Jan 2025
Rationale for choosing OpenID Federation as the trust backbone for a US verifiable-credential issuer registry serving universities, employers, and training programs.
- Building trust with OpenID Federation trust chain on KeycloakYutaka Obuchi (Hitachi) · CNCF blog · Apr 2025
A concrete walk-through of how OpenID Federation 1.0 establishes trust between an RP and an OP with no direct relationship, grounded in a Keycloak implementation.
- 2025: A year worth talking about for the OpenID FoundationOpenID Foundation · year in review · Dec 2025
Dozens of governments and ecosystem operators selected OpenID Foundation standards to power their digital wallet and verifiable-credential programs in 2025 — context on the year OpenID Federation moved from draft to final.
- eduGAIN: structure, governance and sovereignty in European academia (DC4EU Paper 15)DC4EU project · Nov 2025
Full DC4EU report on eduGAIN's governance model, its fit for the EUDI Wallet, and why a decentralised academic trust fabric matters for European digital sovereignty.
Family momentum in finance & healthcare.
Adjacent OpenID Foundation standards (FAPI) are in production at national scale — a maturity signal for the broader standards family, even where OpenID Federation itself is not yet the trust layer.
- Norway HelseID
First nationwide healthcare FAPI 2.0 deployment — up to 50,000 healthcare organisations and ~6M Norwegians.
- UK Open Banking
FAPI 1.0 mandated as the open-banking profile.
- Australia Consumer Data Right
CDR uses OpenID Connect constrained further by FAPI.
- Brazil Open Finance / Open Insurance
FAPI at national scale across Brazilian financial and insurance programs.