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Platform age signals documentation

We've published end-to-end documentation for platform age signals: how Apple iOS, Google Play, Xbox, Meta Horizon, and k-ID age data flows into k-ID, when the age gate can be skipped, and how verified versus unverified signals interact with high-risk permissions and age assurance.

What's New

CDK — Platform age signals

  • Platform age signals — Quick integration paths, API map, recommended request sequence, how POST /age-gate/check uses a platform signal, supported platforms and verified declaration types, and verified versus unverified signal behavior.
  • Platform signal details — Per-platform field shapes, how to obtain each native signal, endpoint-by-endpoint notes (get-requirements, check, get-default-permissions, session/get, get-platform-age-range, session/upgrade), validation, age conflicts, and k-id signal rules.

API reference (OpenAPI)

Descriptions for session upgrade, AgeVerification, and platformAgeSignal now use verified platform signal wording consistently with the docs above.

Documentation