E-commerceFREE

Watch a competitor's site Prices and Alert Telegram When They Change

On a schedule this scrapes the a competitor's site product pages you track, compares against the last-seen price, and pings Telegram whenever one moves — so you react to competitors' pricing the same day.

difficulty Intermediatesetup 40 minresult A Telegram alert whenever a tracked a competitor's site price rises or drops, with the old price, new price and link.—
—
  1. 1

    Step 1 — Schedule the scan

    Add a Schedule Trigger (e.g. every 6 hours) then loop over your list of a competitor's site product URLs.

  2. 2

    Step 2 — Fetch the current price

    Add an HTTP Request node to load each page and an HTML Extract/Code node to read the price. Respect the site's terms and a sensible rate limit.

  3. 3

    Step 3 — Compare to last seen

    Store the previous price (Google Sheet or n8n static data) and add an If node that only continues when the price has changed.

  4. 4

    Step 4 — Alert Telegram

    Add a Telegram node. Set Operation to Send Message, enter your chat ID, and build the message from the product, old price, new price and link. Create the bot with @BotFather and add its token as a credential.

Frequently asked questions

Is scraping a competitor's site allowed?

Check a competitor's site's terms of service and robots rules, and prefer an official API where one exists. Keep request volume low and don't scrape personal data.

The page structure changed and it broke — now what?

Scrapers are brittle by nature. Add a fallback in Step 2 that alerts you when no price is found, so you know to update the selector rather than silently missing changes.

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