Pricing

from $1.00 / 1,000 successful page checks

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Website Change Monitor and Hash Checker

Try for free

Monitor public webpages for normalized visible-text changes. Target a simple CSS selector, remove noisy text with regular-expression ignore patterns, and schedule repeat checks through Apify. Results include change status, content hash, size, and diagnostics.

Pricing

from $1.00 / 1,000 successful page checks

Rating

0.0

(0)

Developer

Signal Foundry

Actor stats

Bookmarked

Total users

Monthly active users

10 days ago

Last modified

Categories

Automation

Developer tools

You can access the Website Change Monitor and Hash 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 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 = { "urls": ["https://www.w3.org/standards/"] }
9
10# Run the Actor and wait for it to finish
11run = client.actor("signal-foundry/website-change-monitor").call(run_input=run_input)
12
13# Fetch and print Actor results from the run's dataset (if there are any)
14print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
15for item in client.dataset(run.default_dataset_id).iterate_items():
16    print(item)
17
18# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Website Change Monitor and Hash Checker API in Python

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

Website Change Monitor and Hash Checker API through CLI

Website Change Monitor and Hash Checker OpenAPI definition

Website Change Monitor and Hash Checker API

Web Page Change Monitor — Content & Visual Diffs

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Automation Tech

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Hash Generator

agiliton/hash-generator

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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

Selector-Scoped Content Change Monitor

kingii98/selector-content-change-monitor

Monitor selected parts of public web pages: fetch HTML over HTTP, extract text or inner HTML by CSS selector, and report only selector-level changes after a quiet baseline.