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Arcadia Age API (A3) provides compliant, frictionless age assurance built for the US market — without verification walls, identity friction, or storing a single byte of PII. Integrate in under 10 minutes, no sales call required.
Frictionless age estimation built for fast-moving engineering and product teams.
Meet state-level compliance mandates without tanking your user acquisition metrics. A3 uses passive behavioral signals to estimate age in good faith, keeping your funnel completely free of high-friction ID gates.
Skip the multi-week enterprise sales cycles and expensive legal consultations. A3 is a self-serve, cross-platform SDK designed to be integrated and deployed into your existing stack in under 10 minutes.
Engineered for high-volume digital environments—including ad-supported mobile games, multi-platform communities, and e-commerce—where user experience and privacy are paramount.
Traditional verification forces a tradeoff between compliance and user experience.
A3 eliminates it.
Traditional Verification
Method
ID upload, selfie scan
User friction
High (verification wall)
PII stored
Yes (images, IDs)
Latency
5–30 seconds
Breach liability
High
Platform coverage
Usually web-only
Legal model
Data controller
Integration time
Days / weeks
Arcadia Age API
Method
Passive signal fusion
User friction
Zero (invisible)
PII stored
None
Latency
Sub-200ms
Breach liability
Zero (nothing to breach)
Platform coverage
iOS + Android + Web
Legal model
Pass-through processor
Integration time
Under 10 minutes
The unified compliance layer for web and mobile — one API that normalizes Apple and Google age signals, fills the browser gap, and protects your business without turning your signup flow into a DMV visit.
AB 1043 mandates compliance, but browsers have no Apple or Google age signal. Drop in the @a3api/signals SDK (<5KB), collect behavioral signals passively, and get full age assurance on the web.
Get the browser SDK →Stop juggling Apple's Declared Age Range API, Google's Play Age Signals, and a separate web solution. A3 normalizes all platform signals into a single response format with one audit trail.
No images, biometrics, or personal data ever touch our servers. Every request is processed and immediately discarded — eliminating toxic data exposure before it starts.
Two-phase signal fusion maps directly to the statute. Every response ships with audit-ready verdicts, confidence scores, evidence tags, and cryptographic receipts for regulatory defense.
Read the AB 1043 guide →Passive, signal-based assessment runs silently in the background. Sub-second processing, no verification walls, no ID uploads — your conversion funnel stays intact.
Act as the intelligence layer for anonymous web traffic. Confidently serve targeted ads to verified adults while routing estimated minors to compliant contextual ads — without losing a single impression.
Stop juggling Apple, Google, and browser-specific solutions. Get a free API key and ship unified, privacy-first age compliance across every surface today.