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California Digital Age Assurance Act Mandates OS-Level Age Signaling via API

Updated 3mo agoFirst seen Mar 1, 20262 sources

California’s Digital Age Assurance Act (AB 1043) establishes a statewide requirement for operating system providers to collect a user’s age information during OS account setup and expose an age-range signal to application developers through a “reasonably consistent” real-time API when an app is downloaded or launched. The law’s definition of OS provider is broad enough to include major commercial platforms (Windows, macOS, Android, iOS) as well as Linux distributions and Valve’s SteamOS, and it specifies four age brackets: under 13, 13 to under 16, 16 to under 18, and 18+. Developers who request and receive the signal are treated as having “actual knowledge” of the user’s age range, shifting compliance and content-suitability liability toward app providers; enforcement is assigned to the California Attorney General with penalties up to $2,500 per affected child for negligent violations and $7,500 for intentional violations.

Separate reporting highlights broader age/identity verification pressure across consumer platforms, including Discord’s planned move to require age verification in 2026, which has triggered privacy concerns about submitting government IDs or face scans and renewed scrutiny following a prior breach that exposed IDs for roughly 70,000 users. Other items in the set are not about AB 1043 or OS-level age signaling and instead cover general security roundups, interviews, conference write-ups, exam prep material, and unrelated policy or industry commentary; they do not add substantiated details about the California OS age-verification mandate or its implementation requirements.

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California Digital Age Assurance Act Mandates OS-Level Age Signaling via API
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EVENT TIMELINE

How this story unfolded

3 events from the most recent confirmed update back to the earliest known activity.

3 EVENTS
Jan 1, 2027just now

California age-verification requirements set to take effect

Starting January 1, 2027, operating system providers covered by California’s law are expected to provide a real-time API returning one of four age brackets for app developers. Developers requesting the signal are treated as having actual knowledge of a user’s age range for compliance purposes.

Oct 1, 20259mo ago

California enacts Digital Age Assurance Act (AB 1043)

Governor Gavin Newsom signed California’s Digital Age Assurance Act (AB 1043) in October 2025. The law requires operating system providers to collect users’ age information at account setup and later expose age-bracket data to app developers through an API.

Discord breach exposed about 70,000 users’ IDs

Discord previously suffered a data breach that exposed identification documents belonging to about 70,000 users. The incident later became a factor in user concerns about submitting age-verification data to the platform.

LINKED ENTITIES

Related entities

Vulnerabilities, threat actors, malware, products, organizations, and breaches Mallory has linked to this story.

24 LINKEDOpen in app
Affected products
14 linked
AndroidWindowsIosSteamMacosUbuntuSteamAndroidIosUbuntuMacosWhatsappSignalDiscord
Organizations
10 linked
Valve CorporationTom's HardwareElementTeamspeakDiscordMeta PlatformsMicrosoft CorporationDiscourseSlack TechnologiesSignal Messenger
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