Guide : how to setup device Fingerprinting in Vue.js for Fraud Detection

Prerequisites

Step 1: Install Axios

npm install axios


Step 2: Create a Fingerprint Service

Inside src/services/fingerprintService.js:

import axios from "axios";

const API_KEY = "your_api_key";
const API_URL = "https://api.fingerprinting-api.com";

export const getFingerprint = async () => {
  try {
    const response = await axios.get(`${API_URL}/visitors`, {
      headers: { Authorization: `Bearer ${API_KEY}` }
    });
    return response.data;
  } catch (error) {
    console.error("Error fetching fingerprint:", error);
    return null;
  }
};


Step 3: Use the Service in a Component

Modify src/components/Fingerprint.vue:

<template>
  <div>
    <h1>Fingerprinting API with Vue</h1>
    <pre v-if="fingerprint">{{ fingerprint }}</pre>
    <p v-else>Loading...</p>
  </div>
</template>

<script>
import { ref, onMounted } from "vue";
import { getFingerprint } from "../services/fingerprintService";

export default {
  setup() {
    const fingerprint = ref(null);

    onMounted(async () => {
      fingerprint.value = await getFingerprint();
    });

    return { fingerprint };
  },
};
<

Conclusion

Your Vue app now uses device fingerprinting. If you have any issue during installation, don't hesitate to reach out !

Eric Tremblay

Dec 12, 2024

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