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Website Change Monitor

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Monitor any list of web pages for changes. Every scheduled run compares each page to its last snapshot and reports a readable diff — lines added and removed. CSS-selector scoping and number-masking kill false alarms. Watch competitor prices, job boards, ToS pages, and stock status on autopilot.

Pricing

from $2.00 / 1,000 results

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Developer

Uncle Glooby

Actor stats

Bookmarked

Total users

Monthly active users

8 days ago

Last modified

Categories

Automation

Developer tools

Other

You can access the Website 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

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {
9    "startUrls": [{ "url": "https://example.com" }],
10    "proxyConfiguration": { "useApifyProxy": False },
11}
12
13# Run the Actor and wait for it to finish
14run = client.actor("inestimable_zoysia/website-change-monitor").call(run_input=run_input)
15
16# Fetch and print Actor results from the run's dataset (if there are any)
17print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
18for item in client.dataset(run.default_dataset_id).iterate_items():
19    print(item)
20
21# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Website Change Monitor API in Python

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

Install the apify-client

$pip install apify-client

Other API clients include:

Website Change Monitor API in JavaScript

Website Change Monitor API through CLI

Website Change Monitor OpenAPI definition

Website Change Monitor API

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

Page Change Monitor

cynix_dev/page-change-monitor

Monitor web pages for content changes. Diffs each run against the previous snapshot and emits structured change records with added/removed lines — ideal for price, job, docs, and competitor monitoring.

Cynix Dev

Website Content Change Monitor — reliable diffs & alerts

korado_labs/content-change-monitor

Monitor any web page for content changes with a CSS selector or whole-page text. Get a unified diff, added/removed lines, previous & current content, and webhook alerts. Export data, run via API, schedule runs, or integrate with other tools.

Korado Labs

Website Change Monitor — Page Diff & Change Alerts

sian.agency/website-change-monitor

Monitor any web page for content changes between runs. Each check hashes the page (or a CSS-selected part of it), compares it with the previous snapshot, and returns a line-level diff on change. Optional JavaScript rendering and webhook alerts.

SIÁN OÜ

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

Website Change Monitor

agentictools/website-change-monitor

Watch any web pages and detect changes between runs. Stores a snapshot and reports what changed.

Ken Agland

Website Change Monitor | Page Diff Alerts

taroyamada/url-change-watch-scraper

Monitor public web pages and receive source-linked added/removed text, change alerts, and portfolio diff reports. Unchanged checks emit no rows and no event charge.

naoki anzai

Website Change Monitor — Diff & Alert (Bulk)

hipersoft/website-change-monitor

Watch web pages for changes on a schedule. Extract text from a CSS region, hash and diff against the previous snapshot, and get a change percentage per URL. Trigger n8n/Make/Zapier workflows when a page changes.

hiper soft

Landing Page Change Monitor — Track Competitor Pages

nexgendata/landing-page-change-monitor

Monitor competitor landing & pricing pages for content changes — scheduled diffs with added/removed lines. No login. Alert-ready for n8n/Slack.

NexGenData

Website Change Detector: Page Diff, Price & Content Alerts

fayoussef/website-change-monitor

Monitor any web page for changes and get a line-by-line diff of what was added and removed. Track competitor pricing, product listings, terms of service and job boards, with severity scoring, keyword watching and instant alerts to Slack, Discord, Telegram or any webhook.