Any browser, any device.
Identify returning web and mobile app visitors on all browsers, iOS, and Android, with exceptional accuracy.
113.30.192.168
Detected
Chrome 146.0.0
Detected
-1015
Suspect Score
You look like a suspicious user
We detected signals that correlate with fraud risk.
See how this is calculatedThe device intelligence platform for visitor intent.
Reduce friction for the good guys. Stop the bad guys.
Industry-leading accuracy that lasts for months
or years, even when cookies are cleared. While session cookies expire in 7 days, Fingerprint's device identity persists for months — your fraud rules stay accurate long-term.
Any browser, any device.
Identify returning web and mobile app visitors on all browsers, iOS, and Android, with exceptional accuracy.
Get details on suspicious visitors even when VPN, incognito mode, or a tampered browser or device is used.
Delight your trusted users.
Personalize user experience and reduce 2FA and OTP requirements by identifying logged-out users.
See how our customers stop fraud in real time for real results.
See all Case StudiesFingerprint provides clear device-level signals we can use to prevent fraud and reduce losses, while also enabling smoother customer journeys. It acts as fraud detector and a trust enabler.
Andreas Zodhiates
Head of Payment Fraud
@ Booking.com
Enterprise
Over 100 bleeding-edge signals built by our world-class research team. So accurate, our competitors use FingerprintJS open-source under the hood. Every signal available via REST API, webhooks, or our React/Node/iOS/Android SDKs.
{}
response.json
VPN Detection
Browser Bot
Detection
Tampering Detection
IP Geolocation
High-activity Device
Raw Device Attributes
IP Blocklist Matching
Privacy-focused
Settings
{
"event_id": "1777983329220.FfPayG",
"timestamp": 1777983329234,
"environment_id": "ae_onSeHjdsYUDkiONX",
"sdk": {
"platform": "js",
"version": "4.0.3",
"integrations": [
{
"name": "custom-proxy-integration",
"version": "1.0.2"
},
{
"name": "custom-proxy-integration",
"version": "1.0.4"
},
{
"name": "fingerprintjs-pro-react",
"version": "3.0.0"
}
]
},
"replayed": false,
"identification": {
"visitor_id": "nmQiTQEpkF7WXl0UQ54R",
"confidence": {
"score": 1,
"version": "v1.1"
},
"visitor_found": false,
"first_seen_at": 1777983329234
},
"tags": {
"referrerLink": "https://www.google.com/"
},
"url": "https://fingerprint.com/",
"ip_address": "113.30.192.168",
"user_agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36",
"client_referrer": "https://www.google.com/",
"browser_details": {
"browser_name": "Chrome",
"browser_major_version": "146",
"browser_full_version": "146.0.0",
"os": "Linux",
"os_version": "",
"device": "Other"
},
"bot": "not_detected",
"developer_tools": false,
"ip_blocklist": {
"email_spam": false,
"attack_source": false,
"tor_node": false
},
"ip_info": {
"v4": {
"address": "113.30.192.168",
"geolocation": {
"accuracy_radius": 50,
"latitude": 38.84039,
"longitude": -77.42888,
"postal_code": "20120",
"timezone": "America/New_York",
"city_name": "Centreville",
"country_code": "US",
"country_name": "United States",
"continent_code": "NA",
"continent_name": "North America",
"subdivisions": [
{
"iso_code": "VA",
"name": "Virginia"
}
]
},
"asn": "22773",
"asn_name": "Cox Communications Inc.",
"asn_network": "113.30.192.0/21",
"asn_type": "isp",
"datacenter_result": false
}
},
"proxy": false,
"proxy_confidence": "high",
"incognito": true,
"privacy_settings": false,
"suspect_score": 40,
"tampering": true,
"tampering_confidence": "high",
"tampering_ml_score": 0.9954,
"tampering_details": {
"anomaly_score": 1,
"anti_detect_browser": true
},
"velocity": {
"distinct_ip": {
"5_minutes": 1,
"1_hour": 1,
"24_hours": 1
},
"distinct_country": {
"5_minutes": 1,
"1_hour": 1,
"24_hours": 1
},
"events": {
"5_minutes": 1,
"1_hour": 1,
"24_hours": 1
},
"ip_events": {
"5_minutes": 1,
"1_hour": 1,
"24_hours": 1
}
},
"virtual_machine": false,
"virtual_machine_ml_score": 0.119,
"vpn": true,
"vpn_confidence": "high",
"vpn_origin_timezone": "America/New_York",
"vpn_methods": {
"timezone_mismatch": false,
"public_vpn": false,
"auxiliary_mobile": false,
"os_mismatch": true,
"relay": false
},
"high_activity_device": false,
"raw_device_attributes": {
"font_preferences": {
"default": 149.3125,
"serif": 149.3125,
"sans": 144.015625,
"mono": 132.625,
"apple": 149.3125,
"min": 9.34375,
"system": 162.546875
},
"emoji": {
"font": "\"Times New Roman\"",
"width": 1597.078125,
"height": 17,
"top": 9,
"bottom": 26,
"left": 8,
"right": 1605.078125,
"x": 8,
"y": 9
},
"fonts": [],
"device_memory": 8,
"timezone": "America/New_York",
"canvas": {
"winding": true,
"geometry": "2179b48bae2d564d33eadf7e35c993d8",
"text": "3fa64ca13a1fdcb383453330abce257e"
},
"languages": [
[
"en-US"
]
],
"screen_resolution": [
800,
600
],
"touch_support": {
"touch_event": false,
"touch_start": false,
"max_touch_points": 0
},
"architecture": 255,
"cookies_enabled": true,
"hardware_concurrency": 32,
"date_time_locale": "en-US",
"vendor": "Google Inc.",
"color_depth": 24,
"platform": "Linux",
"session_storage": true,
"local_storage": true,
"audio": 124.04347527516074,
"plugins": [
{
"name": "PDF Viewer",
"description": "Portable Document Format",
"mimeTypes": [
{
"type": "application/pdf",
"suffixes": "pdf"
},
{
"type": "text/pdf",
"suffixes": "pdf"
}
]
},
{
"name": "Chrome PDF Viewer",
"description": "Portable Document Format",
"mimeTypes": [
{
"type": "application/pdf",
"suffixes": "pdf"
},
{
"type": "text/pdf",
"suffixes": "pdf"
}
]
},
{
"name": "Chromium PDF Viewer",
"description": "Portable Document Format",
"mimeTypes": [
{
"type": "application/pdf",
"suffixes": "pdf"
},
{
"type": "text/pdf",
"suffixes": "pdf"
}
]
},
{
"name": "Microsoft Edge PDF Viewer",
"description": "Portable Document Format",
"mimeTypes": [
{
"type": "application/pdf",
"suffixes": "pdf"
},
{
"type": "text/pdf",
"suffixes": "pdf"
}
]
},
{
"name": "WebKit built-in PDF",
"description": "Portable Document Format",
"mimeTypes": [
{
"type": "application/pdf",
"suffixes": "pdf"
},
{
"type": "text/pdf",
"suffixes": "pdf"
}
]
}
],
"indexed_db": true,
"math": "5f030fa7d2e5f9f757bfaf81642eb1a6",
"font_hash": "d751713988987e9331980363e24189ce",
"timezone_offset": "-04:00"
}
}API and webhooks
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