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extract-tables-as-json-watch
x402
extract-tables-as-json-watch is a paid API for AI agents from page.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-20).
Monitors a webpage's tables (as JSON) for changes, returning the current data, a changed flag, diff of changed fields, and last-seen timestamp.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for extract tables as json: runs the check, compares it with the result from your previous call for the same url (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Output
Returns the current tables extracted from the page as JSON, a boolean 'changed' flag indicating if the data differs from the previous call, a list of fields that changed with their before and after values, and a timestamp of when the data was last seen. Previous snapshots are retained for 90 days for comparison.
Example use cases
Stock or pricing table alert
“Watch the pricing table at https://vendor.com/pricing and tell me if any prices have changed since the last check — show me what changed and what the old values were.”
Sports standings change detection
“Check the standings table on https://league.example.com/standings and alert me if any team positions or scores have changed since yesterday's snapshot.”
Government data table monitoring
“Monitor the data tables at https://data.gov.example/report and let me know if any figures have been updated, including exactly which rows or columns changed and what they were before.”
Technical details
Endpoint
GEThttps://page.intel.rallylive.ca/watch/page/tables/json?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes in structured tabular data on a webpage over time rather than just extracting tables once. It is ideal for scheduled monitoring workflows where you want to be alerted to any updates, additions, or deletions in table rows or columns. Prefer this over a one-shot table extraction endpoint when change detection and diffing are the primary goals.
Side effects
- URL is unreachable or returns a non-200 status — no table data returned
- Page has no HTML tables — returns empty result with changed false
- First call for a URL has no previous snapshot to compare against — changed may be null or false
- Page blocks automated access (bot protection) — extraction may fail or return incomplete data
- Snapshot older than 90 days is purged — comparison unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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