Pricing

from $1.00 / 1,000 change events

Company Tech Stack Monitor — Change Events + Firmographics

Buying signals for B2B sales: monitor company domains and get CHANGE EVENTS when a target adopts or removes a tool (Shopify, HubSpot, Marketo...) or switches email provider. Loaded-resource detection, no text-mention false positives. Pay per event written. Not affiliated with detected vendors.

Pricing

from $1.00 / 1,000 change events

Rating

0.0

(0)

Developer

Johnn Mottin

Actor stats

Bookmarked

Total users

Monthly active users

8 days ago

Last modified

Categories

Lead generation

Business

Automation

You can access the Company Tech Stack Monitor — Change Events + Firmographics 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    "domains": [
12        "stripe.com",
13        "hubspot.com"
14    ],
15    "mode": "monitor"
16};
17
18// Run the Actor and wait for it to finish
19const run = await client.actor("johnatan029/company-stack-monitor").call(input);
20
21// Fetch and print Actor results from the run's dataset (if any)
22console.log('Results from dataset');
23console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
24const { items } = await client.dataset(run.defaultDatasetId).listItems();
25items.forEach((item) => {
26    console.dir(item);
27});
28
29// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

Company Tech Stack Monitor — Buying Signal Events API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use Company Tech Stack Monitor — Change Events + Firmographics 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:

Company Tech Stack Monitor — Change Events + Firmographics API in Python

Company Tech Stack Monitor — Change Events + Firmographics API through CLI

Company Tech Stack Monitor — Change Events + Firmographics OpenAPI definition

Company Tech Stack Monitor — Change Events + Firmographics API

B2B Company Data API - Firmographics and Tech Stack

nabeelbaghoor/company-technographics-api

Search a B2B company database by industry code, employee count, revenue, location, specialties and the technologies a company runs. Returns firmographics plus the detected tech stack. Pay per result. Bring your own API key.

Nabeel Hassan

Website Tech Stack Detector - Signals & Alerts

nicolas_izquierdo/tech-stack-detector

Detect the technology stack behind any list of websites: CMS, ecommerce, analytics, chat, payments, JS frameworks, CDN and more. Diff mode flags when a target company ADOPTS or DROPS a tool - schedule it and turn tech changes into B2B buying signals. Uses only public homepage markup and headers.

Nicolas Izquierdo

Page Watch — Website Change Monitor & Content Tracker

mfapitools/page-watch

Monitor any URL for content changes with hash-based change detection. Pay per check + per detected change. Ideal for watching competitor pages, docs, pricing, or any public web page.

Mariano Ferreras

Company Change-Event Feed - GTM Signal Delta Tracker

mambalabs/company-change-event-feed

Detects what changed at a company across hiring, tech stack, funding, firmographics, and social. Returns only the deltas as typed change events in flat, Clay-ready JSON for RevOps and outbound.

Mamba Labs

Website Change Monitor: Track Page Changes, Pay Per Change

scrapemint/website-change-monitor

Monitor any list of web pages on a schedule and get a structured JSON row when a page changes: added and removed lines, previous and current text, timestamps. No browser, no CSS selector needed, no API key. Pay only for detected changes.

Ken M

Company Enrichment API — Domain to Firmographics & Tech

nexgendata/company-enrichment-tool

Have a list of company names or domains? Feed up to 1,000 and get a firmographic profile per company — industry, headcount, location, funding, detected tech stack, social links, and email patterns. Built for bulk CRM cleanup and lead scoring: domains in, enriched list out. Export CSV/JSON/Excel.

NexGenData

Actor Website Change Monitor

anyhowmarketer/actor-website-change-monitor

Egor Kaleynik

Change Detection Actor

ossified_jeans/change-detection-actor

Shopify Price, Stock & Catalog Monitor — Batch + Diff

johnatan029/shopify-price-catalog-monitor

Competitor price tracking for Shopify stores: batch of store domains, diff mode returns only CHANGE EVENTS (price, stock, new/removed products) plus a free per-store summary every run. Public /products.json feed — no login, no browser. Not affiliated with Shopify.

Johnn Mottin

Shopify Product Change Tracker

foo121/shopify-change-events

Monitor any Shopify store for new/removed products, price changes and inventory (in/out of stock) — emitted as structured, webhook-ready change-events. Built for scheduled runs. Pay per result.