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Application Environment Verification

Android library and API to verify the safety of user devices, detect rooted devices and other risks

Authentication
API Key
HTTPS
Yes
CORS
Yes
Category
Security

Overview

FingerprintJS’s AEV (Application Environment Verification) API verifies browser environments (bot detection). Auth is an API key.

⚠️ Status (verified 2026-08): the hosted endpoint (aev.fingerprintjs.com) was unreachable from our network (connection failures). Verify from your network before relying on it.

What it provides

curl "https://aev.fingerprintjs.com/v1/aev?data=YOUR_DATA" \
  -H "X-API-Key: YOUR_KEY"

Notes

  • Verifies the client environment is a real browser (anti-bot).
  • Key-based per the GitHub docs.

FAQ

Is AEV free? Key-based; limits per the docs.

Why can’t I reach it? Our 2026-08 check hit connection failures — verify from your network.

What does it do? Verifies browser environments against bots.

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