Watch Amazon Prices and Alert Telegram When They Change
On a schedule this scrapes the Amazon 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.
- 1
Step 1 — Schedule the scan
Add a
Schedule Trigger(e.g. every 6 hours) then loop over your list of Amazon product URLs. - 2
Step 2 — Fetch the current price
Add an
HTTP Requestnode to load each page and anHTML Extract/Codenode to read the price. Respect the site's terms and a sensible rate limit. - 3
Step 3 — Compare to last seen
Store the previous price (Google Sheet or n8n static data) and add an
Ifnode that only continues when the price has changed. - 4
Step 4 — Alert Telegram
Add a
Telegramnode. SetOperationtoSend 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 Amazon allowed?
Check Amazon'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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