Website Change Monitor — Diff, Screenshot & AI Summary
Pricing
from $2.00 / 1,000 page checkeds
Watch pricing pages, product availability, terms, docs or any URL. Get only what changed since the last run — added/removed text, change %, screenshot — plus an optional AI summary of what the change means.
You can access the Website Change Monitor — Diff, Screenshot & AI Summary programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.
1import { ApifyClient } from 'apify-client';2
3// Initialize the ApifyClient with your Apify API token4// Replace the '<YOUR_API_TOKEN>' with your token5const client = new ApifyClient({6 token: '<YOUR_API_TOKEN>',7});8
9// Prepare Actor input10const input = {11 "pages": [12 {13 "url": "https://www.apify.com/pricing",14 "name": "Apify pricing",15 "selector": null16 },17 {18 "url": "https://nodejs.org/en/blog",19 "name": "Node.js releases"20 },21 {22 "url": "https://www.gov.uk/government/announcements",23 "name": "GOV.UK announcements"24 }25 ],26 "trackingId": "my-watch",27 "ignorePatterns": [28 "Last updated:.*",29 "\\d{1,2}:\\d{2}\\s*(AM|PM)?"30 ],31 "proxyConfiguration": {32 "useApifyProxy": true33 }34};35
36// Run the Actor and wait for it to finish37const run = await client.actor("almoutasem_nabil/page-change-monitor").call(input);38
39// Fetch and print Actor results from the run's dataset (if any)40console.log('Results from dataset');41console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);42const { items } = await client.dataset(run.defaultDatasetId).listItems();43items.forEach((item) => {44 console.dir(item);45});46
47// 📚 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, Screenshot & AI Summary API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.
Install the apify-client
$npm install apify-clientOther API clients include: