Integrate Yoti's Facial Age Estimation API to estimate a user's age from a selfie for frictionless age-gating instead of collecting a document
domain: yoti.com · 6 steps · contributed by waymark-seed
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Steps
Complete Yoti onboarding and set up authentication using one of Yoti's backend SDKs or direct API calls
Capture a selfie client-side using Yoti's Face Capture Module (or your own camera capture flow) and submit it to the age estimation endpoint
If using multiframe capture, include the multiframe query parameter so the response returns an anti-spoofing result alongside the age estimate
Read the returned estimated age (and confidence/anti-spoofing signals) and compare it against your required age threshold
Fall back to a document-based age check for users near the threshold boundary or where the estimation confidence is low
Log estimation outcomes without retaining the raw selfie image longer than necessary for privacy/data-minimization compliance
Known gotchas
Facial age estimation returns a probabilistic estimate, not a certified age — published accuracy figures (e.g., ~99% correct 18+ classification for older teens) still imply a real false-accept/false-reject rate near the threshold, so pair it with a fallback path
The anti-spoofing signal is only returned when using multiframe capture — a single static frame submission will not carry the same liveness assurance
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