Website Change Monitor — Diff & Webhook Alerts
Under maintenancePricing
Pay per usage
Monitor any web page for content changes. Get structured diff reports showing exactly what changed (added/removed lines). Supports CSS selectors, webhook notifications, and persistent content tracking via KV store. Ideal for competitor monitoring, price tracking, and policy change detection.
You can access the Website Change Monitor — Diff & Webhook Alerts programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.
1import { ApifyClient } from 'apify-client';2
3// Initialize the ApifyClient with your Apify API token4// Replace the '<YOUR_API_TOKEN>' with your token5const client = new ApifyClient({6 token: '<YOUR_API_TOKEN>',7});8
9// Prepare Actor input10const input = {};11
12// Run the Actor and wait for it to finish13const run = await client.actor("wsgcjj/change-monitor").call(input);14
15// Fetch and print Actor results from the run's dataset (if any)16console.log('Results from dataset');17console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);18const { items } = await client.dataset(run.defaultDatasetId).listItems();19items.forEach((item) => {20 console.dir(item);21});22
23// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docsThe Apify API client for JavaScript is the official library that allows you to use Website Change Monitor — Diff & Webhook Alerts API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.
Install the apify-client
$npm install apify-clientOther API clients include: