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IP Listed on 0spam Watch
x402
IP Listed on 0spam 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 0spam DNSBL and alerts when the listing status changes between checks.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for ip listed on 0spam: 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 0spam DNSBL listing status for the IP, a boolean 'changed' flag indicating whether the result differs from the previous check (stored up to 90 days), a diff of fields that changed with before/after values, and a timestamp of when the status was last observed.
Example use cases
Mail server blacklist alerting
“Monitor 198.51.100.22 on the 0spam blacklist and alert me immediately if its listing status changes — I need to know if our mail server gets blacklisted.”
IP reputation change detection
“Check if 203.0.113.77 has changed its 0spam listing status since the last check and show me what fields changed, including the before and after values.”
Scheduled deliverability watchdog
“Set up a recurring watch on 192.0.2.10 for 0spam listings so I get notified the moment it becomes listed or gets removed from the blacklist.”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/watch/ip/blacklist/0spam?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes in 0spam DNSBL listing status over time rather than just a one-time lookup. Ideal for scheduled monitoring workflows where you want to be alerted when an IP transitions from listed to unlisted or vice versa, with a full diff of what changed. Prefer this over a plain lookup when you need historical comparison and change detection built in.
Side effects
- IP address not provided or malformed — returns error
- No previous check stored for the IP (first call returns current status with changed=false or null)
- 0spam DNSBL query timeout or DNS failure — may return error or stale result
- Previous check data expired after 90 days — treated as first-time check
- Payment not completed — request blocked with 402 status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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