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extract-json-ld-as-json-watch
x402
extract-json-ld-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 2026-10-21).
Monitors a web page's JSON-LD structured data for changes, returning current data, a changed flag, field-level diffs with before/after values, and last-seen timestamp.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for extract json ld 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 JSON-LD data extracted from the page, a boolean 'changed' flag indicating whether it differs from the previous call, a field-level diff showing which fields changed with their before and after values, and a timestamp of when the data was last seen. Previous snapshots are retained for 90 days.
Example use cases
SEO structured data change alert
“Watch the JSON-LD on https://shop.example.com/product/running-shoes for any changes — I want to know immediately if the price, availability, or rating fields are updated, with the old and new values side by side.”
Competitor product listing monitoring
“Monitor the JSON-LD structured data on my competitor's homepage at https://competitor.com and tell me whenever it changes, including which specific fields were modified and what they changed from and to.”
Event schema update tracking
“Set up a watch on https://events.example.org/concert-series so I get alerted whenever the JSON-LD event schema changes — things like dates, ticket prices, or venue details — and show me the before and after values each time.”
Technical details
Endpoint
GEThttps://page.intel.rallylive.ca/watch/page/json-ld/json?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes in JSON-LD structured data (schema.org markup) on a specific webpage over time, particularly for SEO monitoring, competitor tracking, or data integrity alerts. It is distinct from a plain extraction endpoint because it compares the current result to your last call and returns a diff with before/after values, making it ideal for scheduled monitoring workflows rather than one-off extractions.
Side effects
- URL is unreachable or returns a non-200 status — check will fail with an error
- Page contains no JSON-LD structured data — returns empty result with no diff
- First-time call for a URL has no previous snapshot to compare against — 'changed' is indeterminate
- Snapshot older than 90 days has expired — comparison resets as if first call
- Malformed JSON-LD on the target page — parsing may fail or return partial data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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