The OpenID Foundation will be holding an interop testing event Monday-Wednesday, April 28-30, 2025 for OpenID Federation implementations.  In-person participation is encouraged, but if it works better for you, you can also participate remotely.

The event will be hosted by SUNET at their office in Stockholm, Sweden.

Event Details:

📅 Date: Monday-Wednesday, April 28-30, 2025

🕒 Time: Mid-day Monday to mid-day Wednesday

📍 Location: SUNET, Tulegatan 11, Third Floor, 113 53 Stockholm, Sweden

🚪Suggested Hotels:

• Hotel Birger Jarl - Across the street from SUNET
• Best Western Kom Hotel Stockholm
• Hotel Hellsten

💻 Virtual Option: Details on how to participate remotely will be emailed to registrants nearer the time

What is the interop event and who is eligible?

Come test your OpenID Federation implementation with those by others.  You need not have a complete implementation to participate.  You'll also be trying out the OpenID Certification tests being developed for OpenID Federation.

Why Attend?

• Collaborate with others using OpenID Federation.
• Validate the specification, helping us advance it towards final status.
• Validate your implementation, identifying areas that you can improve.
• Test the tests, laying the groundwork for OpenID Federation certification testing.

Interop Topics Include:

• Profiles: Automatic Registration, Explicit Registration, Federation Wallet, Extended Listing
• Metadata: Metadata Resolution, Metadata Policy Testing
• Trust Marks: Schema validation, Delegated Trust Marks, Trust Mark Status
• Topologies: Multiple Trust Anchors, Inter-federation where a Trust Anchor is subordinate to another
• Trust Chains
• Resolvers
• Historical Keys
• Error Scenarios
• Certification: Test the OpenID Federation certification tests!
• Bonus: Try out Giuseppe De Marco's OpenID Federation browser

Watch this space for updates as the dates approach.

Please register your interest in participating in the list of potential participants.