Monitor Competitor Pricing on Amazon
Every morning, WebRun opens Amazon and reads the price and stock status of your watched competitor ASINs, logs the data to your tracking sheet, compares to yesterday's figures, and sends you a Slack digest highlighting any competitor that dropped their price or went out of stock - your cue to act.
Amazon Seller
read competitor ASIN prices and stock status
How can I automatically monitor competitor prices and stock levels on Amazon?
Every morning WebRun opens Amazon, reads the price and stock status of your watched competitor ASINs, logs the data to your tracking sheet, compares to yesterday's figures, and sends you a Slack digest highlighting any competitor that dropped their price or went out of stock - your cue to act.
- Competitor price drops and stockouts spotted the same morning they happen
- Daily tracking sheet updated automatically for trend analysis
- Slack digest gives you the context to act before losing the sale
Built for Amazon sellers · ecommerce brand managers · marketplace pricing teams · DTC brands selling on Amazon
What does WebRun do on every run?
The exact actions WebRun takes, in order - in plain language, so you can adjust anything.
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WebRun signs in and gets to work
Opens
sellercentral.amazon.comin a real browser with your saved login - no setup, no API keys. -
1
Amazon Seller - read competitor ASIN prices and stock status
WebRun opens Amazon Seller to read competitor ASIN prices and stock status. - Open Amazon and navigate to each competitor ASIN in your watchlist
- Read the current Buy Box price, the number of sellers, and the stock status (In Stock / Out of Stock / Limited)
- Note any 'Deal of the Day' or coupon badges on the listing
- Record the data for each ASIN
Done when Price, stock status, and badge data are captured for every watched competitor ASIN.
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2
Google Sheets - log the data and calculate day-over-day changes
google.com
WebRun opens Google Sheets to log the data and calculate day-over-day changes. - Open the Competitor Tracker sheet
- Append today's row for each ASIN: date, price, stock status, seller count, and badge
- Calculate the price change vs yesterday and flag any move of more than 5%
- Flag any ASIN that went Out of Stock since yesterday
Done when Today's data is logged and changes from yesterday are calculated.
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3
Slack - send the competitor intelligence digest
slack.com
WebRun opens Slack to send the competitor intelligence digest. - Post a morning digest to #pricing with the biggest movers: price drops, out-of-stock competitors, and new badge promotions
- Include a direct Amazon link to each flagged ASIN so you can check the listing immediately
- If no significant changes occurred, post a brief 'No significant moves - market stable' message
Done when You have received today's competitor intelligence digest in Slack.
How is each run configured?
Secure by default
Connect once, stays signed in
WebRun signs in once and keeps each session in a persistent environment, so every run picks up right where it left off.
Amazon Seller
Sign in once
Every action is checked against this policy before it runs.
Questions, answered
Will it change my prices in response to what it finds?
No - it only reads and reports. Any price change on your own listings requires your approval and is handled by a separate template.
How do I set up the competitor watchlist?
Add the ASINs you want to track in the first column of the Competitor Tracker sheet. WebRun reads the list from there each run so you can update it without touching the workflow.
What if a competitor's page is throttled or unavailable?
It logs 'Data unavailable' for that ASIN rather than skipping it silently, so you know the reading failed and can check manually.
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