One-click setup.

Change Detection

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What is Change Detection?

Detect website content changes and perform meaningful actions - trigger notifications via Discord, Email, Slack, Telegram, API calls and many more.

Live your data-life pro-actively.

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Example use cases

  • Products and services have a change in pricing
  • Out of stock notification and Back In stock notification
  • Monitor and track PDF file changes, know when a PDF file has text changes.
  • Governmental department updates (changes are often only on their websites)
  • New software releases, security advisories when you’re not on their mailing list.
  • Festivals with changes
  • Discogs restock alerts and monitoring
  • Realestate listing changes
  • Know when your favourite whiskey is on sale, or other special deals are announced before anyone else
  • COVID related news from government websites
  • University/organisation news from their website
  • Detect and monitor changes in JSON API responses
  • JSON API monitoring and alerting
  • Changes in legal and other documents
  • Trigger API calls via notifications when text appears on a website
  • Glue together APIs using the JSON filter and JSON notifications
  • Create RSS feeds based on changes in web content
  • Monitor HTML source code for unexpected changes, strengthen your PCI compliance
  • You have a very sensitive list of URLs to watch and you do not want to use the paid alternatives. (Remember, you are the product)
  • Get notified when certain keywords appear in Twitter search results
  • Proactively search for jobs, get notified when companies update their careers page, search job portals for keywords.
  • Get alerts when new job positions are open on Bamboo HR and other job platforms
  • Website defacement monitoring
  • Pokémon Card Restock Tracker / Pokémon TCG Tracker
  • RegTech - stay ahead of regulatory changes, regulatory compliance

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Key Features

  • Lots of trigger filters, such as “Trigger on text”, “Remove text by selector”, “Ignore text”, “Extract text”, also using regular-expressions!
  • Target elements with xPath(1.0) and CSS Selectors, Easily monitor complex JSON with JSONPath or jq
  • Switch between fast non-JS and Chrome JS based “fetchers”
  • Track changes in PDF files (Monitor text changed in the PDF, Also monitor PDF filesize and checksums)
  • Easily specify how often a site should be checked
  • Execute JS before extracting text (Good for logging in, see examples in the UI!)
  • Override Request Headers, Specify POST or GET and other methods
  • Use the “Visual Selector” to help target specific elements
  • Configurable proxy per watch
  • Send a screenshot with the notification when a change is detected in the web page.
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