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Website Scraper Change Watch
x402
Website Scraper 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 a scraped web page for changes by comparing the current scrape result against a stored previous result, returning what changed and when.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for website scraper: 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 scrape a website page changes. $0.01 per check.
Output
Returns the current scrape result for the URL, a boolean 'changed' flag indicating whether the page differs from the previous call, an itemized list of which fields changed with before and after values, and a timestamp of when the page was last seen. The previous result is retained for 90 days.
Example use cases
Track competitor pricing page updates
“Check https://competitor.com/pricing right now and tell me if anything has changed since the last check — I want to know exactly which prices or plan details are different.”
Monitor product availability on e-commerce page
“Watch https://store.example.com/products/limited-sneaker and let me know if the availability or stock status has changed since the last time you scraped it.”
Detect policy page changes for compliance
“Scrape https://vendor.com/terms-of-service and compare it to the last version — flag any fields that changed so I can review the differences for compliance purposes.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/scrapeWhen to prefer
Use this endpoint when you need to periodically poll a specific web page and be informed of exactly what changed between calls, rather than just retrieving the current page content. It is ideal for scheduled monitoring workflows where the agent needs to react to changes (price updates, availability changes, policy edits) without storing and diffing page content externally. Prefer this over a plain scrape endpoint when the delta — what changed, which fields, before/after — is more important than the raw content.
Side effects
- URL is unreachable or returns a non-200 status — scrape fails with an error response
- First-time call for a URL has no previous result to compare against — returns current result with no change data
- Previous result has expired (older than 90 days) — treated as first-time call
- URL returns dynamic/JavaScript-rendered content that can't be statically scraped — may return incomplete or empty results
- Rate limiting or access restrictions on the target website — scrape may fail or return blocked content
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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