You can access the Website Change Monitor & Diff Checker 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

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 = { "urls": [{ "url": "https://example.com/" }] }
9
10# Run the Actor and wait for it to finish
11run = client.actor("maximedupre/webpage-diff-checker").call(run_input=run_input)
12
13# Fetch and print Actor results from the run's dataset (if there are any)
14print("💾 Check your data here: https://console.apify.com/storage/datasets/" + run["defaultDatasetId"])
15for item in client.dataset(run["defaultDatasetId"]).iterate_items():
16    print(item)
17
18# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Webpage Diff Checker & Website Change Monitor API in Python

The Apify API client for Python is the official library that allows you to use Website Change Monitor & Diff Checker 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 & Diff Checker API in JavaScript

Website Change Monitor & Diff Checker API through CLI

Website Change Monitor & Diff Checker OpenAPI definition

Website Change Monitor & Diff Checker API

Website Change Monitor - Page Diff & Alerts

logiover/website-change-monitor

Monitor any website for content changes automatically.

Logiover

Website Change Monitor - AI Page Diff Tracker

viralanalyzer/website-change-monitor

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

viralanalyzer

5.0

Actor Website Change Monitor

anyhowmarketer/actor-website-change-monitor

Egor Kaleynik

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

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

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

Website Visual Monitor

void_error/website-visual-monitor

takes screenshots and compare them visually to baselines, and generating diff images with change statistics.

Kareem Amr

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 — 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.