Detect Marketplace Listing Changes Instantly
Automatically detect changes on marketplaces like Amazon and eBay. Get real-time alerts on listing updates, rule changes, and category shifts.
Marketplace platforms like Amazon and eBay change constantly. Listing rules, ranking algorithms, seller fees, and category structures evolve without notice. Missing these changes can cost you visibility and revenue.
WatchDiff lets you monitor any public marketplace page: competitor listings, category pages, policy documents, or seller guideline pages. When something changes, you are notified first.
The AI filters out cosmetic or dynamic changes and focuses on what matters: product title edits, description updates, pricing shifts, or structural changes in category pages.
For sellers who depend on marketplaces for a significant share of revenue, automated surveillance means faster adaptation to platform changes before they impact your rankings or sales.
How It Works
Set up in minutes. Let AI work for you.
Add marketplace pages to monitor
Paste URLs of any marketplace pages you want to watch: competitor listings, category pages, or platform policy documents.
AI analyzes and filters content
WatchDiff learns the page structure and tracks the elements that matter, ignoring dynamic noise like session tokens or view counters.
Get alerts on relevant changes
Receive detailed notifications showing exactly what changed, with a side-by-side comparison of the previous and current version.
Frequently Asked Questions
Can WatchDiff monitor Amazon and eBay listings?
Yes. WatchDiff monitors any public web page, including product listings and category pages on Amazon, eBay, and other major marketplaces.
How often are pages checked?
You control the check frequency based on your plan. Pages can be verified multiple times per day, ensuring you are notified quickly after any change.
Can I monitor marketplace policy or fee pages?
Yes. Just add the URL of the policy or terms page. WatchDiff will detect any content change on that page and alert you immediately.
Start Monitoring Now
Set up your first monitor in seconds. Free plan available, no credit card required.
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