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extract-code-as-json-watch
x402
extract-code-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 web page for changes in extracted code blocks (as JSON), returning current values, a changed flag, field-level before/after diffs, and last-seen timestamp.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for extract code 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 extracted code blocks as a JSON structure, a boolean 'changed' flag indicating whether the content differs from the previous check (stored up to 90 days), a list of fields that changed with their before and after values, and a timestamp of when the content was last seen.
Example use cases
Track API documentation code updates
“Watch https://stripe.com/docs/api for any changes to the code examples and tell me when they've changed, showing me what was added or removed.”
Monitor open-source library usage examples
“Check https://github.com/somelib/README.md regularly and alert me whenever the code samples change — show me the before and after so I can see exactly what shifted.”
Alert on competitor SDK snippet changes
“Keep checking https://competitor.com/developers/quickstart for changes to their code blocks and report back with what changed, when it changed, and what it looked like before.”
Technical details
Endpoint
GEThttps://page.intel.rallylive.ca/watch/page/code/json?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to detect changes specifically in code blocks on a web page over time, with automatic diffing against a stored prior result. Prefer this over a generic page-change monitor when the target content is structured code (e.g. API examples, SDK snippets, documentation samples) and you need field-level before/after diffs rather than raw text diffing. The 90-day history window and $0.02/check pricing make it suitable for scheduled polling without building your own state management.
Side effects
- URL is unreachable or returns non-200 status — extraction fails and no comparison is made
- First call for a URL returns no prior result — 'changed' may default to false or null with no before/after diff
- Page has no code blocks — returns empty extraction with no change data
- 90-day history expired — previous result unavailable, comparison resets
- Dynamic JavaScript-rendered code not captured if page requires JS execution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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