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OpenAPI Discovery Change Watch
x402
OpenAPI 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 domain's OpenAPI/Swagger discovery status and alerts when it changes, storing results for 90 days to diff against previous checks.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for openapi discovery: runs the check and compares it with the result from your previous call for the same domain (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 openapi / swagger discovery changes. $0.01 per check.
Output
Returns the current OpenAPI/Swagger discovery answer for the domain, a boolean 'changed' flag indicating whether it differs from the previous check (stored up to 90 days), a list of exactly which fields changed with their before and after values, and a timestamp of when the result was last seen.
Example use cases
Detect new API spec publication
“Start watching docs.mycompany.com and alert me the moment its OpenAPI discovery changes — I want to know as soon as they publish or update a Swagger spec, with the before and after details.”
Monitor competitor API availability
“Check whether competitor.io has changed its OpenAPI discovery since the last time we checked, and if so, tell me exactly which fields changed and what the new values are.”
Scheduled API readiness check
“Run a scheduled check on staging.ourapp.com to see if OpenAPI discovery has changed since my last call, so I can confirm the new API spec has gone live before we deploy.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/site/openapiWhen to prefer
Use this endpoint when you need to be notified of changes to OpenAPI/Swagger discovery on a domain over time, rather than just performing a one-off lookup. It is especially valuable for scheduled monitoring workflows where knowing what changed (field-level diffs) matters more than just getting the current state. Prefer it over a plain discovery check when you want persistent state tracking across multiple calls without managing your own storage.
Side effects
- Domain not previously checked — no baseline to compare against, returns current result with no diff
- Domain unreachable — may return error or incomplete discovery result
- No change detected — returns changed: false with current state only
- Baseline older than 90 days — previous result expired, treated as first-time check
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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