You can access the Change Detection Actor 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
12// Run the Actor and wait for it to finish
13const run = await client.actor("ossified_jeans/change-detection-actor").call(input);
14
15// Fetch and print Actor results from the run's dataset (if any)
16console.log('Results from dataset');
17console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
18const { items } = await client.dataset(run.defaultDatasetId).listItems();
19items.forEach((item) => {
20    console.dir(item);
21});
22
23// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Change Detection Actor API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Change Detection Actor 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:

Change Detection Actor API in Python

Change Detection Actor API through CLI

Change Detection Actor OpenAPI definition

Change Detection Actor API

LocalFalcon GBP Monitor

alizarin_refrigerator-owner/localfalcon-gbp-monitor

Monitor Google Business Profile (GBP) changes using the LocalFalcon API. Track when client profiles change their hours, categories, photos, descriptions, and more. Profile Snapshots Change Detection Batch Monitoring Change History Change Significance Webhook Support

John Rippy

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 Change Detector

consummate_mandala/website-change-detector

Donny Nguyen

Firecrawl Website Change Monitor - Track Page Changes with AI

alizarin_refrigerator-owner/firecrawl-website-change-monitor---track-page-changes-with-ai

Monitor websites for content changes. Get notified when pricing, inventory, competitor pages, or any web content changes. Uses Firecrawl for intelligent change detection. Markdown Comparison JSON Extraction Change Notifications Webhook Integration Scheduled Monitoring

John Rippy

Fraud Detection

vivid_astronaut/fraud-detection

Fabio Suizu

Monitor Price Change — Prices, History & Comparisons

tropical_quince/price-change-monitor

Monitor price change data at scale with this powerful Apify actor. Extracts prices, history & comparisons with automatic pagination and proxy rotation. Perfect for market research, competitive intelligence, and data-driven decision making.

Donny Nguyen

Web Drift Detector – Website Change Monitoring & Content Diff

bilal-dev/web-drift-detector

Detect website changes automatically. Monitor pricing, content, policies, and competitors using fast browserless web change detection. Structured diffs, severity scoring, historical snapshots, and webhook alerts. Ideal for compliance, SaaS, ecommerce, and monitoring workflows.