You can access the Catalog Price Change Summarizer 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

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    "records": [
12        {
13            "product": "QA demo product",
14            "price": 10,
15            "currency": "USD",
16            "observedAt": "2026-09-01T00:00:00Z",
17            "url": "https://example.com/products/qa-demo"
18        },
19        {
20            "product": "QA demo product",
21            "price": 12,
22            "currency": "USD",
23            "observedAt": "2026-09-15T00:00:00Z",
24            "url": "https://example.com/products/qa-demo"
25        }
26    ]
27};
28
29// Run the Actor and wait for it to finish
30const run = await client.actor("theendfear/factory-catalog-price-change-summarizer-13a6ce90").call(input);
31
32// Fetch and print Actor results from the run's dataset (if any)
33console.log('Results from dataset');
34console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
35const { items } = await client.dataset(run.defaultDatasetId).listItems();
36items.forEach((item) => {
37    console.dir(item);
38});
39
40// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Catalog Price Change Summarizer API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Catalog Price Change Summarizer 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:

Catalog Price Change Summarizer API in Python

Catalog Price Change Summarizer API through CLI

Catalog Price Change Summarizer OpenAPI definition

Catalog Price Change Summarizer API

eBay Sold Listings Price Decision Pack

theendfear/factory-ebay-sold-listings-price-decision-pack

Post-process an explicit upstream Actor dataset or equivalent records into deterministic decision-ready rows.

Marco S.

Social Content Change & Opportunity Monitor

theendfear/factory-social-content-change-opportunity-monitor-f6d26932

Compare provided structured social/content snapshots and emit deterministic change and opportunity rows.

Marco S.

WooCommerce Catalog Change Guard

willing_relic/woocommerce-catalog-change-guard

Compare two supplied WooCommerce Store API snapshots for price and stock changes, additions, removal candidates, duplicate SKUs and data-quality issues. Flags incomplete captures so missing products are not treated as confirmed removals. Up to 1,000 products per snapshot. No store login or writes.

RevLab

Shopify Price Change Monitor

rowcrate/shopify-price-change-monitor

Run it on a schedule and get only what changed: price drops, price rises, sold out, back in stock, new and removed products.

Nicolas

Shopify Price & Stock Change Monitor

duffy1990/shopify-price-change-monitor

Watches Shopify stores and returns only what changed since the last run: price drops, price rises, out-of-stock, back-in-stock, new and removed products.

Duffy Radmilović

Walmart Grocery Prices Scraper

parseforge/walmart-grocery-prices-scraper

Scrape Walmart grocery prices by department: shelf price, was price, savings and the unit price per ounce, plus rating, availability, in-store aisle and pickup or delivery windows. Filter by brand, special diet, SNAP EBT, rollback and star rating. No proxy needed.

ParseForge

Shopify Product Scraper & Price Change Monitor

feedwright/shopify-catalog-change-monitor

Scrape any Shopify store: every product, variant, price and stock level as clean rows. Run it on a schedule and get only what changed — price moves, new products, and out-of-stock alerts.

Feedwright Studio

Trendyol Price & Stock Monitor

eaukkesh/trendyol-price-monitor

Watch Trendyol products and get told when something actually changes: a price moves, stock flips, the seller on the listing changes, or a new product appears in a category you follow.