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IP Listed on S5H Blacklist Change Watch
x402
IP Listed on S5H Blacklist Change 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 2026-10-13).
Monitors whether an IP address is listed on the S5H DNSBL and alerts when the listing status changes between calls.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for ip listed on s5h: runs the check, compares it with the result from your previous call for the same ip (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 S5H blacklist status for the IP, a boolean 'changed' flag indicating whether the result differs from the previous call (retained for 90 days), a diff of any changed fields showing before and after values, and a timestamp of when the status was last seen.
Example use cases
Email server reputation monitoring
“I run a mail server at 203.0.113.15 — keep an eye on the S5H blacklist for it and alert me the moment its status changes so I can act before deliverability is affected.”
Suspicious outbound IP watchdog
“Watch 192.0.2.88 on the s5h spam blacklist for me; I want to know immediately if it gets listed or delisted, and see exactly which fields changed.”
Hosting provider IP health check
“My hosting provider recently reassigned me the IP 198.51.100.200 — can you monitor it on S5H and tell me if it was previously blacklisted or if anything changes?”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/watch/ip/blacklist/s5h?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need change-detection semantics for S5H blacklist monitoring rather than a one-shot lookup. It is ideal for scheduled polling workflows where you want to be notified only when the listing status actually changes, avoiding alert fatigue from repeated identical results. Prefer it over a plain S5H lookup when you need diff output (before/after field values) and a last-seen timestamp for audit or alerting purposes.
Side effects
- IP address not provided or malformed — query fails or returns validation error
- No previous call stored for this IP (first call) — 'changed' will be indeterminate or false with no diff
- DNSBL lookup timeout or DNS resolution failure — may return an error or stale result
- Result history expired after 90 days — baseline lost, comparison unavailable
- Payment not processed — endpoint returns 402 and check is not performed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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