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Page Images Change Watch
x402
Page Images Change Watch is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Monitors the image inventory of a webpage and reports whether it has changed since the last check, including which fields changed with before/after values.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for page images: runs the check and compares it with the result from your previous call for the same url (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when image inventory for a page changes. $0.01 per check.
Output
Returns the current image inventory for the page, a boolean 'changed' flag indicating whether anything differs from the previous call, a field-level diff showing exactly which image fields changed with their before and after values, and a timestamp of when the inventory was last seen. Previous results are retained for 90 days for comparison.
Example use cases
E-commerce product image monitoring
“Check https://shop.acmebrand.com/featured for any changes to its images since last time — I want to know if any product photos were added, removed, or swapped.”
Competitor landing page image tracking
“Watch https://rivalsite.com/homepage and alert me if their image lineup has changed at all since the last check, with a breakdown of what's different.”
Content compliance change detection
“Monitor https://partnerbrand.com/campaign for image changes and tell me which specific images changed, including what they looked like before and after.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/site/imagesWhen to prefer
Choose this endpoint when you need scheduled, differential monitoring of image inventory on a specific page rather than a one-off snapshot. It is ideal for agents that poll on a schedule and need to know precisely what changed (field-level diffs) without storing state themselves, since the service retains the previous result for 90 days. Prefer it over bulk image endpoints when you need change detection semantics rather than raw extraction.
Side effects
- URL is unreachable or returns a non-200 status — check may fail or return no images
- No prior check exists for the URL — first call establishes baseline, 'changed' will be false or indeterminate
- Page blocks crawlers via robots.txt or returns empty image sets due to JavaScript rendering
- Stored result expired (older than 90 days) — baseline is lost and a new baseline is established
- Invalid or malformed URL input — request rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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