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IP Listed on WPBL (Weighted Private Block List)
x402
IP Listed on WPBL (Weighted Private Block List) is a paid API for AI agents from ip.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Checks whether a given IPv4 address is listed on the WPBL DNS blacklist (db.wpbl.info) and returns the listing status, return codes, and reason text.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is this IPv4 address listed on wpbl (db.wpbl.info)? Performs the DNSBL query (reversed octets under db.wpbl.info, via Cloudflare DoH) and returns listed yes/no with the return codes and, where the list publishes one, the reason text. One list, one precise answer. $0.01 per lookup.
Output
Returns a yes/no listed status for the queried IPv4 address on WPBL (db.wpbl.info), along with the DNSBL return codes and, where available, the human-readable reason text explaining why the IP was listed.
Example use cases
Email deliverability pre-send check
“Before we send the newsletter campaign, check if our mail server IP 203.0.113.15 is blacklisted on WPBL — I need to know if it's listed and why.”
Inbound spam filter enrichment
“We just received an email from 192.0.2.88 — can you check if that IP is on the WPBL blacklist and give me the reason code?”
IP reputation audit for new server
“I just spun up a new server at 198.51.100.77 and want to make sure it has a clean reputation — is it listed on WPBL, and if so, what's the reason?”
Technical details
Endpoint
GEThttps://ip.intel.rallylive.ca/ip/blacklist/wpbl?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, single-list authoritative lookup specifically against WPBL (db.wpbl.info), particularly for email deliverability checks or spam filtering pipelines. Prefer this over generic multi-list reputation services when you need the specific WPBL return code and reason text, or when you are auditing whether an IP is on this particular blocklist.
Side effects
- Invalid or non-routable IPv4 address provided returns an error
- DNSBL query timeout or Cloudflare DoH unavailability causes lookup failure
- IPv6 addresses are not supported (IPv4 only)
- Network errors during DNS resolution may return an indeterminate result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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