Competitor Public Page 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.

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

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.

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

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.

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.

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

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.

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

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.