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4 min de lecture

Node.js Quickstart

Get Zenovay Analytics up and running in your Node.js application in under 5 minutes.

Overview

For server-side Node.js applications, Zenovay provides a simple External API that you can call directly with fetch. No npm package is required.

Get your API key from the Zenovay Dashboard. Keep it secure and never expose it in client-side code.

Setup

1. Environment Variables

Store your API key securely using environment variables:

.envBash
ZENOVAY_API_KEY=zv_prod_abc123xyz456
ZENOVAY_PROJECT_ID=proj_789

Never commit your .env file to version control. Add it to .gitignore to keep your API keys secure.

2. Create a Zenovay Helper

Create a lightweight helper module to interact with the Zenovay External API:

lib/zenovay.jsJavaScript
require('dotenv').config();

const ZENOVAY_API_URL = 'https://api.zenovay.com/api/external/v1';
const ZENOVAY_API_KEY = process.env.ZENOVAY_API_KEY;

async function track(event, properties = {}, userId = null) {
try {
  const response = await fetch(`${ZENOVAY_API_URL}/events`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': ZENOVAY_API_KEY,
    },
    body: JSON.stringify({
      event,
      userId,
      properties,
      timestamp: new Date().toISOString(),
    }),
  });

  if (!response.ok) {
    console.error('Zenovay API error:', response.status);
  }
} catch (error) {
  console.error('Zenovay tracking error:', error.message);
}
}

async function identify(userId, traits = {}) {
try {
  const response = await fetch(`${ZENOVAY_API_URL}/identify`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': ZENOVAY_API_KEY,
    },
    body: JSON.stringify({
      userId,
      traits,
      timestamp: new Date().toISOString(),
    }),
  });

  if (!response.ok) {
    console.error('Zenovay API error:', response.status);
  }
} catch (error) {
  console.error('Zenovay identify error:', error.message);
}
}

module.exports = { track, identify };

Track Events

Track custom events like sign-ups, purchases, or any user action:

Track Custom EventsJavaScript
const { track } = require('./lib/zenovay');

// Track user sign up
await track('user_signup', {
email: user.email,
plan: 'free',
source: 'organic',
}, user.id);

// Track a purchase
await track('purchase', {
product_id: 'pro-plan',
price: 29.99,
currency: 'USD',
}, user.id);

Identify Users

Associate events with specific users:

Identify UsersJavaScript
const { identify } = require('./lib/zenovay');

await identify(user.id, {
email: user.email,
name: user.name,
plan: 'pro',
created_at: user.createdAt,
});

Express.js Integration

Track page views and events in your Express.js application:

Express.js MiddlewareJavaScript
const express = require('express');
const { track } = require('./lib/zenovay');

const app = express();

// Track all API requests
app.use((req, res, next) => {
track('api_request', {
  path: req.path,
  method: req.method,
  userAgent: req.get('user-agent'),
}, req.user?.id);
next();
});

app.listen(3000, () => {
console.log('Server running on port 3000');
});

Complete Example

Here's a complete Express.js example with Zenovay integration:

server.jsJavaScript
const express = require('express');
require('dotenv').config();

const app = express();
app.use(express.json());

// Zenovay API helper
const ZENOVAY_API_URL = 'https://api.zenovay.com/api/external/v1';
const ZENOVAY_API_KEY = process.env.ZENOVAY_API_KEY;

async function track(event, properties = {}, userId = null) {
try {
  await fetch(`${ZENOVAY_API_URL}/events`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': ZENOVAY_API_KEY,
    },
    body: JSON.stringify({ event, userId, properties }),
  });
} catch (error) {
  console.error('Zenovay error:', error.message);
}
}

async function identify(userId, traits = {}) {
try {
  await fetch(`${ZENOVAY_API_URL}/identify`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': ZENOVAY_API_KEY,
    },
    body: JSON.stringify({ userId, traits }),
  });
} catch (error) {
  console.error('Zenovay error:', error.message);
}
}

// Track API requests
app.use((req, res, next) => {
track('page_view', {
  path: req.path,
  method: req.method,
});
next();
});

// API endpoint example
app.post('/api/users/signup', async (req, res) => {
const { email, name } = req.body;

// Your user creation logic here
const user = await createUser(email, name);

// Track signup event
await track('user_signup', {
  email: user.email,
  name: user.name,
}, user.id);

// Identify user
await identify(user.id, {
  email: user.email,
  name: user.name,
  created_at: new Date().toISOString(),
});

res.json({ success: true, user });
});

app.listen(3000, () => {
console.log('Server running with Zenovay Analytics');
});

API Reference

The External API supports these endpoints:

EndpointMethodDescription
/e/{trackingCode}POSTTrack events (pageviews, custom events, identify)
/api/external/v1/analytics/{websiteId}GETQuery analytics data
/api/external/v1/websitesGETList websites

The tracking endpoint (/e/) accepts events directly. The External API endpoints (/api/external/v1/) require the X-API-Key header.

Next Steps

You're all set! Your Node.js application is now tracking analytics with Zenovay.

Continue learning:

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