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ip-listed-on-spamhaus-zen-watch
x402
ip-listed-on-spamhaus-zen-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 is listed on Spamhaus ZEN DNSBL and alerts when the listing status changes compared to the previous check.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for ip listed on spamhaus zen: 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 Spamhaus ZEN listing status for the IP, a boolean indicating whether the status changed since the last call, the specific fields that changed with before/after values, and the timestamp of when the status was last seen. Previous results are retained for 90 days for comparison.
Example use cases
Email server blacklist monitoring
“Watch 198.51.100.12 on Spamhaus ZEN for me — let me know immediately if its listing status changes so I can act before email deliverability is affected.”
Detect newly blacklisted sending IP
“Check if 203.0.113.88 is now listed on Spamhaus ZEN and whether that's different from the last time you checked — I want to know if it just got blacklisted.”
Confirm IP delisting from Spamhaus
“Has 192.0.2.77's Spamhaus ZEN status changed since the last check? I submitted a delisting request and want to know if it has been removed.”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/watch/ip/blacklist/spamhaus-zen?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to detect changes in an IP's Spamhaus ZEN blacklist status over time, rather than just querying the current status once. Ideal for scheduled monitoring, alerting pipelines, and automation workflows where you only need to act when something changes. Prefer the non-watch variant if you only need a single one-off check without change tracking.
Side effects
- IP address not provided or malformed — returns error
- No previous check exists for this IP (first call returns current status with changed=false or null)
- DNS resolution failure for the DNSBL query — may return an error or unavailable status
- Spamhaus ZEN service temporarily unreachable — returns error
- Payment not processed — request rejected with 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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