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Subway.com Downtime Change Watcher
x402
Subway.com Downtime Change Watcher is a paid API for AI agents from monitor.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-02).
Runs a live uptime check for subway.com, compares the result to the previous call (stored 90 days), and returns whether anything changed, what fields changed, and when it was last seen.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for is subway com down: runs the check, compares it with the result from your previous call for the same query (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 up/down status of subway.com, a boolean 'changed' flag indicating whether the result differs from the previous call, a list of fields that changed with their before and after values, and a timestamp of when the status was last observed. Previous results are retained for 90 days per query.
Example use cases
Alert on subway.com outage start
“Watch subway.com and let me know the moment its status changes from up to down — I want to know as soon as it goes offline.”
Confirm subway.com recovery after outage
“Subway.com was down earlier — can you check now and tell me if its status has changed back to up since the last time we looked?”
Scheduled polling for uptime log
“Run the subway.com change watch right now and tell me what fields changed compared to the last check, including the before and after values and when it was last seen.”
Technical details
Endpoint
GEThttps://monitor.intel.rallylive.ca/watch/monitor/is-down/subway-com?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need change detection for subway.com specifically — not just a point-in-time status check. It is ideal for scheduled polling workflows where you want to be alerted only when something changes, avoiding alert fatigue from repeated 'still down' reports. Prefer this over a plain is-down check when you care about transitions (up→down or down→up) and want before/after field diffs.
Side effects
- Network error reaching subway.com — may return an error status rather than up/down result
- No previous call stored — 'changed' may be null or false on first invocation
- Stale state if 90-day retention window has expired — baseline is lost
- Payment failure ($0.02 USDC required) — request rejected before check runs
- Cloudflare or CDN interference may affect the live check result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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