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is-port-135-open-watch
x402
is-port-135-open-watch is a paid API for AI agents from ip.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-10).
Monitors whether TCP port 135 (MSRPC/DCE) is open on a host and returns whether the result has changed since the last check.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for is port 135 open: runs the check, compares it with the result from your previous call for the same host (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 open/closed status of TCP port 135 on the target host, a boolean 'changed' flag indicating whether the result differs from the previous check (stored up to 90 days), a diff of the fields that changed with before/after values, and a timestamp of when the status was last seen.
Example use cases
Alert on exposed Windows RPC port
“Keep an eye on port 135 for the server at 198.51.100.10 — let me know if it becomes open because that would be a security concern for our Windows environment.”
Verify firewall rule effectiveness
“Check if port 135 on 203.0.113.22 has changed state since yesterday — I just applied a firewall rule to block it and want to confirm it's now closed.”
Track lateral movement risk on network
“Monitor whether port 135 on the host 10.0.0.50 has opened up recently — I need to catch any unexpected MSRPC exposure as part of our threat detection workflow.”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/watch/ip/port/135?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect *changes* in TCP port 135 (Windows MSRPC/DCE-RPC) reachability over time rather than just a one-time status check. It is ideal for scheduled security monitoring workflows where you want to be alerted when port 135 unexpectedly opens or closes on a host, e.g. after firewall changes, incidents, or configuration drift. Prefer it over a plain port-check endpoint when diff tracking and historical comparison are needed.
Side effects
- Host unreachable or DNS resolution failure returns an error or inconclusive result
- No previous check stored (first call) — 'changed' will be false or undefined with no before/after diff
- Payment not processed results in 402 response blocking the check
- Firewall or rate limiting at the target host may cause false 'closed' readings
- Results older than 90 days are purged, resetting the comparison baseline
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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