You can access the Website HTML & Text Change Monitor 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.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "startUrls": [
12        {
13            "url": "https://docs.apify.com/platform/actors"
14        }
15    ],
16    "monitorId": "apify-actors-docs-monitor"
17};
18
19// Run the Actor and wait for it to finish
20const run = await client.actor("automation-lab/website-html-text-change-monitor").call(input);
21
22// Fetch and print Actor results from the run's dataset (if any)
23console.log('Results from dataset');
24console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
25const { items } = await client.dataset(run.defaultDatasetId).listItems();
26items.forEach((item) => {
27    console.dir(item);
28});
29
30// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Website Change Monitoring for HTML & Text Diffs API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Website HTML & Text Change Monitor API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

Website HTML & Text Change Monitor API in Python

Website HTML & Text Change Monitor API through CLI

Website HTML & Text Change Monitor OpenAPI definition

Website HTML & Text Change Monitor API

Website Change Monitor & Structured Diff API

blaidlink/website-change-intelligence

Website change monitor for up to 20 authorized public pages per run. Preserve caller-isolated baselines and receive structured sentence additions, removals, hashes, and change ratios for schedules, APIs, and AI agents.

Blaidlink Labs

Public Job Board Change Monitor

eager_vitamin/my-actor

Monitor public career pages for job-level additions and removals without logging in or scraping private accounts.

Lau Kuan Ee

Web Page Change Monitor — Content & Visual Diffs

junipr/web-page-change-monitor

Monitor webpages for text, HTML, selector, and optional screenshot changes. Compare snapshots, ignore noisy regions, and export diff reports.

junipr

Website Technology & Tag Change Monitor

produkdigitalali/website-technology-tag-change-monitor

Detect website technologies, analytics, ad pixels, tag managers, CDNs, payment tools, and third-party scripts. Save snapshots and monitor additions or removals.