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HTML Tables to JSON Change Watch
x402
HTML Tables to JSON 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 URL's HTML tables-to-JSON conversion output and reports whether it has changed since the last check, including field-level diffs.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for html tables to json: 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 html tables to json changes. $0.01 per check.
Output
Returns the current HTML-tables-to-JSON extraction result for the URL, a boolean indicating whether the output changed since the last call, a field-level diff showing exactly which values changed with before and after values, and a timestamp of when the data was last seen. Previous results are retained for 90 days.
Example use cases
Financial data table monitoring
“Check the HTML tables on https://finance.example.com/rates and tell me if any values have changed since the last check, and exactly what the before and after values are.”
Sports standings tracker
“Watch the standings table at https://sports.example.com/standings and alert me whenever any team's stats change — I want to see the exact differences.”
Regulatory data change detection
“I need to monitor the compliance table at https://gov.example.com/requirements — poll it and tell me if any rows or fields have been updated since the last snapshot.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/site/tablesWhen to prefer
Choose this endpoint when you need to automatically detect changes in HTML table data on a specific webpage over time, especially when you want granular field-level diffs (before/after values) rather than just knowing something changed. Ideal for scheduled agent workflows that poll a URL on a recurring basis and need to act only when table content actually changes.
Side effects
- URL is unreachable or returns a non-200 status — check may fail or return an error state
- No previous result exists (first call) — changed flag may be false or indeterminate with no diff
- HTML tables absent from the page — returns empty JSON with no meaningful diff
- Rate limiting or access restrictions on the target URL — may return incomplete or error data
- Results older than 90 days are purged — historical comparison window resets
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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