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Getting started

Quick Start Guide
Playground
Use cases

Understanding Fingerprint

Introduction
Planning your implementation
Identification, accuracy, and confidence score
Privacy and compliance
Regions and data retention
Browser and device support
Billing and account limits explained
- Troubleshooting Unexpected Usage Spikes
Using the Dashboard

Identify browsers

Install the JavaScript agent
Identify visitors
JavaScript agent API reference
Frontend libraries

Identify mobile devices

Fingerprint for mobile devices
iOS devices
- Understanding privacy manifest files
Android devices
- Android API call allowance
- Android Quickstart
Mobile SDKs

Rules engine and Flow (Beta)

Rules Engine and Flow deployments (Beta)

Protect your implementation

Evading ad blockers with proxy integrations
Protecting from client-side tampering and replay attacks
Request filtering
Protecting from payload replay attacks

Integrate with your server

Get server side intelligence
Server API
Webhooks
Sealed Client Results
Backend libraries
Zero Trust Mode
Management API
Data integrations
Open Client Response

Integrate Smart Signals

Smart Signals introduction
Smart Signals reference
Suspect Score
Browser Bot Detection

Device reputation network

Overview

Tips & Advanced Guides

Linking and tagging information
Multiple environments
Identification using pseudonymized IP Address
Identifying in-app browsers for iOS
Identifying users in hybrid app frameworks
Visitor footprint timestamps

Platform Updates

Changelog (JS Agent)
Changelog (Android SDK)
Changelog (iOS SDK)

resources

Discord server
Status page
Product roadmap
Glossary
Migrating from FingerprintJS to Fingerprint Pro

Legal

Terms of service
Privacy policy
DPA (GDPR)
DPA (US SPL)

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Legal archive

This is a list of previous legal documents including Terms of service and Privacy policy.

Privacy policy - May 7, 2021
Terms of service - August 26, 2025
Terms of service - April 4, 2023

Updated about 15 hours ago

Quick Start Guide