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extract-aside-as-json-watch
x402
extract-aside-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 the aside elements of a web page for changes, returning the current extracted JSON, a changed flag, field-level before/after diffs, and the last-seen timestamp.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for extract aside 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 aside elements as a JSON object, a boolean 'changed' field indicating whether content differs from the previous call, a diff of changed fields with before and after values, and a timestamp of when the aside content was last seen. Previous results are retained for 90 days.
Example use cases
E-commerce sidebar price alert
“Keep an eye on the aside section of https://shop.example.com/item/42 for me — let me know right away if anything in the JSON changes, especially price or availability, compared to when you last checked.”
News site sidebar monitoring
“Check the aside elements on https://news.example.com/latest for changes — compare today's JSON to the last snapshot and show me exactly what fields changed with their before and after values.”
Competitor widget tracking
“Monitor the aside block on our competitor's homepage at https://competitor.com and flag it when the content changes, so I can see what they're updating in their sidebar widgets.”
Technical details
Endpoint
GEThttps://page.intel.rallylive.ca/watch/page/aside/json?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes specifically in a page's aside/sidebar HTML elements and want structured JSON diffs with before/after field values and a 90-day comparison history. Prefer it over generic page-diff tools when you need per-field granularity on aside content, and over full-page monitors when you only care about sidebar data.
Side effects
- Target URL is unreachable or returns a non-200 status, resulting in an error response
- Page has no aside elements, returning an empty result set
- First-time call has no prior snapshot to compare against, so 'changed' defaults to false or null
- Snapshot older than 90 days has expired, losing the comparison baseline
- Rate limiting or payment failure (x402) blocks the check
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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