You can access the Competitor Public Page 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    "searchKeywords": [
10        "source-backed signal",
11        "buyer fit",
12    ],
13    "taskIntent": "buyer-ready-product-run",
14    "sourceMode": "startUrls",
15    "outputMode": "buyer-ready-records",
16    "startUrls": [{ "url": "https://www.allbirds.com/products.json" }],
17    "requestTimeoutSecs": 30,
18    "maxRequestRetries": 2,
19    "sinceLastRun": False,
20    "deltaMode": True,
21}
22
23# Run the Actor and wait for it to finish
24run = client.actor("zentrafoundry/monitor-competitor-public-changes").call(run_input=run_input)
25
26# Fetch and print Actor results from the run's dataset (if there are any)
27print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
28for item in client.dataset(run.default_dataset_id).iterate_items():
29    print(item)
30
31# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Competitor public page change monitor API in Python

The Apify API client for Python is the official library that allows you to use Competitor Public Page 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:

Competitor Public Page Change Monitor API in JavaScript

Competitor Public Page Change Monitor API through CLI

Competitor Public Page Change Monitor OpenAPI definition

Competitor Public Page Change Monitor API

TED Tender Baseline Monitor

zentrafoundry/tender-change-monitor

First run is a live TED snapshot. Schedule the next run for deadline or title diffs. Not a change report on Try. $0.02 / row.

Zentra

TED Tender Baseline Monitor v2

zentrafoundry/tender-change-monitor-v2

First run is a live TED snapshot. Schedule the next run for deadline or title diffs. Not a Try diff. $0.02.

Zentra

Competitor Catalog Change Detector

zentrafoundry/competitor-catalog-change-detector

Watch public Shopify catalogs for launches, removals and price changes. First run is a live baseline (Allbirds). Schedule the next run for diffs. $2 / 1,000.

Zentra

SaaS Listing Change Bundle

zentrafoundry/saas-competitive-intelligence-bundle

Snapshot public SaaS and Apify Store listings you already watch. First run is a baseline. $0.01 / listing.

Zentra

Public Catalog Price Snapshot

zentrafoundry/sku-price-drop-alert-api

Live Shopify products.json prices (Try is Allbirds). First run is a baseline, not a drop alert. $0.01 / SKU.

Zentra

Ecommerce Price and Stock Monitor

zentrafoundry/ecommerce-price-stock-change-monitor

Watch public product pages for price and stock. Try is a live catalog baseline — schedule the next run for diffs. $2 / 1,000.

Zentra

App Store Policy Snapshot

zentrafoundry/marketplace-seller-policy-change-explainer

Snapshot Apple’s public Review Guidelines. Last-run has Introduction, Safety, Performance, Business, Design. First run is a baseline, not a diff. $0.03.

Zentra

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

SaaS Pricing Page Tracker

zentrafoundry/saas-pricing-page-change-tracker

Snapshot public SaaS pricing pages (plans, prices, billing). Try is live Stripe. Next run flags price changes, not copy edits. $0.01 / snapshot.

Zentra

Wayback Machine Snapshot & Page Change Tracker

webdatatools/wayback-page-diff

Wayback Machine Snapshot & Page Change Tracker lists every Internet Archive capture of a URL and diffs the visible text of the oldest vs. newest snapshot in range — one scored change row per URL, or a full snapshot list.