Formerly the TIER-Data Structures and APIs Working Group Home

These two standing bi-weekly Zoom sessions are open for self-selected groups of T&I people to work together as needed to discuss and help clarify integration patterns and best practices for IAM implementations using Trusted Access Platform components.

Send email to to reserve a portion of one of the 60 minute time slots

Every other Wednesday at 3 pm Eastern, Noon Pacific, 8 pm UT

Alternating Fridays at 10 am Eastern, 7 am Pacific, 3 pm London, 4 pm Amsterdam

ZOOM web conferencing

√ Or by phone:  US: +1 646 558 8656  or +1 669 900 6833

Meeting ID: 678 543 2100    

Passcode: 351241

International numbers available:

Or an H.323/SIP room system: (US West) (US East) (China) (India) (EMEA) (Australia) (Hong Kong) (Brazil) (Canada)  

Meeting ID: 678 543 2100   


Or Skype for Business (Lync):

Current agenda and scribed notes 

Attendees are encouraged to participate in live-scribing the meetings on the above Google doc

Archive of older meeting notes

Email List: 

  – To subscribe, browse to  

Working Group Chairs: Keith Hazelton, Internet2, Ethan Kromhout, UNC Chapel Hill

Charter for Data Structures and APIs Working Group (Original Charter from TIER Initiative)

Inventory of TIER APIs

  • Credential Management (openapi)
    • Used to manage credentials for a Person or Entity
  • Group Registry (openapi)
    • Used for Group and Group Member related requests
    • SCIM (+ extensions?)
  • ID Match (openapi)
    • Used by Registry or SORs to obtain a Reference ID based on (SOR) attributes
  • Person Registry (openapi)
    • Used for Person (and maybe other Entity?) related API requests
    • SCIM (+ extensions)
  • Subscriber Message Notification (openapi)
    • Used to send update notifications to downstream systems

Schema work items

Older items

See Also:

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