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RSS Feed Discovery Change Watch
x402
RSS Feed Discovery 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 for changes in RSS/Atom feed discovery results, returning current feeds, a changed flag, and before/after diffs since the last call.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for rss feed discovery: 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 rss / atom feed discovery changes. $0.01 per check.
Output
Returns the current set of discovered RSS/Atom feeds for the given URL, a boolean indicating whether anything changed since the previous call, a field-level diff showing exactly which fields changed with before and after values, and a timestamp of when the result was last seen. Previous results are retained for 90 days for comparison.
Example use cases
Blog feed migration detection
“Watch https://techcrunch.com for any changes to its RSS or Atom feeds and alert me if the feed URLs change or new ones appear — I want to know the exact before and after.”
Podcast feed availability monitoring
“Check https://mypodcast.fm on a schedule and tell me if its discoverable podcast feeds change at all — I need to know immediately if the feed URL moves or disappears.”
News aggregator feed audit
“I'm aggregating content from https://reuters.com — can you monitor it for RSS/Atom feed discovery changes and give me a diff of exactly what changed and when it was last seen?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/site/feedsWhen to prefer
Choose this endpoint when you need scheduled, diff-aware monitoring of RSS/Atom feed discovery on a specific URL — particularly when you want to be notified of exactly what changed (added, removed, or modified feeds) rather than just polling the raw feed list yourself. It is ideal for automation workflows that react to feed changes, such as re-syncing aggregators or alerting content teams, and is preferable to a plain feed-discovery endpoint when historical comparison and change detection are required.
Side effects
- URL is unreachable or returns non-200 status — check may fail or return incomplete results
- First call has no previous result to compare against — changed flag may be undefined or false
- Site blocks automated crawlers — feed discovery may be incomplete
- URL produces no discoverable feeds — returns empty feed list
- Malformed URL input — request may be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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