Pricing

from $2.00 / 1,000 url checks

Website Change Monitor: Page Diff Tracker, Pay Per Check

Watch any list of public pages on a schedule and get the ACTUAL changed lines, not just a ping. Detects edits, removals, and pages going 404. Failed fetches are never billed. No JavaScript rendering — honest about that.

Pricing

from $2.00 / 1,000 url checks

Rating

0.0

(0)

Developer

Larry Johnson

Actor stats

Bookmarked

Total users

Monthly active users

6 hours ago

Last modified

Categories

Automation

Developer tools

SEO tools

You can access the Website Change Monitor: Page Diff Tracker, Pay Per Check 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.

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    "urls": [
12        "https://example.com",
13        "https://www.iana.org/help/example-domains"
14    ]
15};
16
17// Run the Actor and wait for it to finish
18const run = await client.actor("mrlarryjohnson/website-change-monitor").call(input);
19
20// Fetch and print Actor results from the run's dataset (if any)
21console.log('Results from dataset');
22console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
23const { items } = await client.dataset(run.defaultDatasetId).listItems();
24items.forEach((item) => {
25    console.dir(item);
26});
27
28// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Website Change Monitor - Diff Alerts on Any Page API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Website Change Monitor: Page Diff Tracker, Pay Per Check 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 Change Monitor: Page Diff Tracker, Pay Per Check API in Python

Website Change Monitor: Page Diff Tracker, Pay Per Check API through CLI

Website Change Monitor: Page Diff Tracker, Pay Per Check OpenAPI definition

Website Change Monitor: Page Diff Tracker, Pay Per Check API

Website Change Tracker – Competitor & Content Monitor

conceivable_extension/website-change-tracker

Monitor any web page for content changes. Detects price updates, policy edits, competitor announcements, and new content. Stores page snapshots and alerts on meaningful diffs. PPE: $0.002 no change, $0.008 changed.

joseph fadero

Website Change Monitor — Diff & Webhook Alerts

wsgcjj/change-monitor

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.

陈俊杰

Website Change Monitor - Automated Change Tracking

petr.volf/website-change-monitor

Monitors web pages on a schedule and sends a Markdown webhook notification when the LLM detects a change relevant to your intent.

Petr Volf

Website Change Monitor - AI Page Diff Tracker

viralanalyzer/website-change-monitor

Monitor any website for changes. Visual diffs, AI change summaries.

viralanalyzer

5.0

Website Change Monitor

optimus-fulcria/website-change-monitor

Monitor websites for content changes. Full page, CSS selector, or text pattern matching. Diff summaries and alerts.

Fulcria Labs

Web Page Change Monitor - Track Website Changes & Get Alerts

scrappy_garden/web-page-change-monitor

Monitor any website for changes automatically. Track content updates, price changes, product availability, news updates. Get instant alerts when pages change. Perfect for competitor monitoring, price tracking, content surveillance, and automated change detection. Export change history to JSON.

Bikram Adhikari

Ping the Web

canadesk/ping-web

A simple endpoint to ping servers (OK/KO).

Canadesk Support

Actor Website Change Monitor

anyhowmarketer/actor-website-change-monitor

Egor Kaleynik

Website Change Monitor & Diff Tracker

ryanclinton/website-change-monitor

Monitor any website for content changes with automatic diff detection. Track pricing pages, competitor sites, ToS updates, and more. Compares snapshots, reports added/removed text, and supports CSS selector targeting for precise monitoring.

Ryan Clinton

Website Change Monitor — Content Diff & Alerts

accurate_pouch/website-change-monitor

Monitor websites for content changes. Text diff, hash comparison, CSS selector targeting. Webhook alerts when content changes. Use with Apify scheduling for daily monitoring. 5 URLs free.