Products
Three SDKs for three trust problems. Fingerprint browsers, classify API callers, track CLI usage.
Three products, one platform
Browser, server, and CLI.
Each solving a different trust problem.
Know who's visiting — even without cookies
Recognize returning visitors with 99%+ accuracy using 41 browser signals + edge network analysis. Canvas rendering, GPU quirks, font stacks, and transport-layer fingerprints fuse into a stable ID that survives cookie clears and incognito mode.
- 41 browser signals + edge network analysis, fused at the edge
- Stable visitor ID across sessions and devices
- Bot detection, headless browser classification
- Web3 wallet detection and Sybil scoring
99.2%
Accuracy
41
Browser signals
<50ms
p99 latency
$ npm i @fingerprintiq/js
import FingerprintIQ from '@fingerprintiq/js';
const fiq = new FingerprintIQ({ apiKey });
const result = await fiq.identify();
// result.visitorId → "iq_01kn8f3a2b..."
// result.confidence → 0.992
// result.botProbability → 0.003
import FingerprintIQ from '@fingerprintiq/js';
const fiq = new FingerprintIQ({ apiKey });
const result = await fiq.identify();
// result.visitorId → "iq_01kn8f3a2b..."
// result.confidence → 0.992
// result.botProbability → 0.003
New
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Start identifying devices today
Free tier includes 25,000 identifications per month. No credit card required.