Fingerprintjs-pro NPM

FingerprintJS Pro - Usage Guide

Introduction

This guide explains how to use fingerprintjs-pro to obtain a unique token with a single function call. Note that fingerprintjs-pro requires an API key and is restricted to specific domains.

Features

Accurate Device Identification: Identify users across browsers and devices.
Enhanced Security: Prevent fraud and unauthorized access.
Easy Integration: Simple API for seamless integration.
Fast & Reliable: Generates fingerprints in milliseconds.
React Compatible: Works in React applications.
Unique Browser ID: Generates a unique ID per browser instance.

Installation

Install fingerprintjs-pro using npm or yarn:

npm install fingerprintjs-pro

yarn add fingerprintjs-pro

Importing the Function

Import getFingerprint in your JavaScript/TypeScript file:

import { getFingerprint } from 'fingerprintjs-pro';

Getting the Token

Call getFingerprint() with your API key:

async function fetchToken(apiKey) {
    try {
        const response = await getFingerprint(apiKey);
        console.log('API Response:', response);
    } catch (error) {
        console.error('Error fetching fingerprint:', error);
    }
}

fetchToken('your-api-key-here');

API Response Format

{
    "status": 200,
    "token": "e3fee4271f1c4f1552a2cfe15ac470162f7b7d8b97b65a6f7495cc65cff103a7"
}

Response Fields

status: HTTP status code (200 means success)
token: Unique token

Error Handling

Handle potential errors like network issues or API failures:

async function fetchToken(apiKey) {
    try {
        const response = await getFingerprint(apiKey);
        if (response.status === 200) {
            console.log('Token:', response.token);
        } else {
            console.warn('Unexpected response:', response);
        }
    } catch (error) {
        console.error('Failed to fetch token:', error);
    }
}