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

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
10# Run the Actor and wait for it to finish
11run = client.actor("ossified_jeans/change-detection-actor").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

Change Detection Actor API in Python

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

Install the apify-client

$pip install apify-client

Other API clients include:

Change Detection Actor API in JavaScript

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.

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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

AI Competitor Intelligence

mea/saaspricingintelligence

AI-powered competitor monitoring with automatic change detection. Track pricing, features, and positioning on any website. Instant alerts when competitors change prices or update messaging. AI insights, historical comparison, and competitive analysis included.

Eliud Munyala

5.0

Fraud Detection

vivid_astronaut/fraud-detection

Fabio Suizu

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.

Muhammad Bilal

5.0

Incremental Sync Engine

technicaldost/incremental-sync-engine

Efficient incremental data synchronization with change detection and webhooks.

Technical Dost Solutions

Price change

technicaldost/shopify-price-delta-monitor

Monitor price changes for any Shopify product.

Technical Dost Solutions

Liveness Detection

vivid_astronaut/liveness-detection

Fabio Suizu

universal-structured-web-extractor-base

pierremrd29/universal-structured-web-extractor-base

Autonomous web change detection Actor for AI agents. Monitors URLs, detects meaningful content changes, computes diffs, and outputs structured signals for automation, alerts, and decision-making workflows.