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GeekVault IP Blacklist Check
x402
GeekVault IP Blacklist Check is a paid API for AI agents from api.geekvault.dev, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-29).
Checks whether a given IPv4 address appears on any known blacklists or spam/abuse databases
Price / call$0.004
Success—
StatusUnknown
How this service works
Network, docs, image, web, and dev utility tools paid per call via x402. No signup, no API keys, no subscriptions — just USDC on Base.
Output
Returns a JSON object with the queried IP address, a boolean 'listed' field indicating whether it appears on any blacklist, and a 'detail' array of strings naming the specific blacklists or databases where the IP was found (empty array if not listed).
Example use cases
Email deliverability pre-flight check
“Before I send out our email campaign, can you check whether our mail server IP 203.0.113.45 is on any blacklists that might get our messages blocked?”
Suspicious login IP vetting
“Someone just logged into our system from IP 198.51.100.22 — can you check if that address is flagged on any abuse or spam blacklists?”
New VPS IP reputation audit
“I just spun up a new cloud server with IP 104.21.67.89 — can you verify it isn't already on any blacklists before I start using it for production traffic?”
Technical details
Endpoint
GEThttps://api.geekvault.dev/net-tools/v1/blacklist-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, no-signup, pay-per-call IPv4 blacklist reputation check — ideal for agents that need to vet IPs on demand without maintaining API key subscriptions. Especially useful for email deliverability checks, security triage, or fraud detection workflows where you only occasionally need IP reputation data.
Side effects
- IPv6 addresses not supported — endpoint only accepts IPv4 format
- Invalid IP format returns an error
- IP not found in any database may return listed=false with an empty detail array
- Network timeouts if upstream blacklist databases are unresponsive
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| iprequired | string | Dirección IPv4 (IPv6 no soportado). |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| iprequired | string | |
| detailrequired | array | |
| listedrequired | boolean |
Tags
x402
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