[w3ctag/design-reviews] Digital Credentials API (Issue #1119)

wseltzer created an issue (w3ctag/design-reviews#1119)

こんにちは TAG-さん!

The Federated Identity on the Web WG is requesting a TAG review of the [Digital Credentials API](https://www.w3.org/TR/digital-credentials/). 

This document specifies an API to enable [user agents](https://infra.spec.whatwg.org/#user-agent) to mediate presentation and issuance of digital credentials such as a driver's license, government-issued identification card, and/or[ other types of digital credential](https://www.w3.org/TR/2025/WD-digital-credentials-20250701/#dfn-credential-type-examples) . The API builds on[ Credential Management Level 1](https://www.w3.org/TR/credential-management-1/) as a means by which to request or issue a digital credential from a user agent or underlying platform.                            

  - Explainer¹: The WG recommends the [introduction to the spec](https://www.w3.org/TR/digital-credentials/#introduction) as explanation of its purpose and use.
  - Specification: https://www.w3.org/TR/digital-credentials/ 
  - WPT Tests: https://github.com/web-platform-tests/wpt/tree/master/digital-credentials 
  - User research:
  - Security and Privacy self-review²: https://github.com/w3c-fedid/digital-credentials/blob/main/horizontal-reviews/security-privacy.md 
  - GitHub repo: https://github.com/w3c-fedid/digital-credentials/ 
  - Primary contacts:
     - Marcos Caceres ([ Apple Inc.](https://apple.com/) ), editor @marcoscaceres 
     - Tim Cappalli ([ Okta](https://okta.com/) ), editor @timcappalli
     - Mohamed Amir Yosef ([ Google Inc.](https://google.com/) ), editor  @mohamedamir                                      
     - Heather Flanagan (Spherical Cow Consulting), co-chair @hlflanagan
     - Wendy Seltzer (Invited Expert), co-chair @wseltzer 

  - Organization/project driving the specification: W3C [FedID WG](https://www.w3.org/groups/wg/fedid/)
  - This work is being funded by: Apple and Google have led much of the investment in this API in their respective browsers, but many others have also contributed
  - Primary standards group developing this feature: W3C
  - Group intended to standardize this work: same
  - Incubation and standards groups that have discussed the design:
    - WICG Digital Credentials incubation: https://github.com/WICG/proposals/issues/105,  https://github.com/WICG/identity-credential
    - OpenID, OpenID4VP: https://openid.net/specs/openid-4-verifiable-presentations-1_0.html#dc_api 
    
  - Multi-stakeholder support³:
    - Chromium comments: https://chromestatus.com/feature/5166035265650688/activity  https://developer.chrome.com/blog/digital-credentials-cross-device-ot , https://developer.chrome.com/blog/digital-credentials-api-origin-trial#participate_in_the_origin_trial 
    - Mozilla comments: https://github.com/mozilla/standards-positions/issues/1003 <!-- And/or other places they've given feedback -->
    - WebKit comments: https://github.com/WebKit/standards-positions/issues/332 <!-- And/or other places they've given feedback →
    - Credential Considerations draft: https://github.com/w3c/credential-considerations/blob/main/credentials-considerations.md 
  - Major unresolved issues with or opposition to this specification: W3C Council Report approving recharter, recommends ongoing work to mitigate the objections: https://www.w3.org/2025/02/council-report-fedid-dig-cred.html Issues have been opened in the spec to discuss and address objections 
  - Status/issue trackers for implementations⁴: https://digitalcredentials.dev/docs/ecosystem-support 

Further details:

  - [x] I have reviewed the TAG's [Web Platform Design Principles](https://www.w3.org/TR/design-principles/)
  - Previous early design review, if any: N/A
  - Relevant time constraints or deadlines: Apple has [announced](https://developer.apple.com/videos/play/wwdc2025/232/) the API will ship in iOS 26 in September and Chrome is [aiming to ship](https://chromestatus.com/feature/5166035265650688) in version 140 in September, but both implementers have indicated flexibility in evolving with the specification where possible.

The FedID WG is tracking this horizontal review https://github.com/w3c-fedid/digital-credentials/issues/230

Thank you!

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