{"uid":"cap_R0XINe7Gxy2cOST4nSjap","slug":"ip-listed-on-wpbl-weighted-private-block-list-aa0aec5b","name":"IP Listed on WPBL (Weighted Private Block List)","description":"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. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/wpbl?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bC69g9tY3Wxn5ZuCPpWuM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"Check if 198.51.100.42 is listed on the WPBL blacklist and tell me the return code and any reason they give for the listing.","exampleUseCases":[{"title":"Email deliverability pre-send check","prompt":"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."},{"title":"Inbound spam filter enrichment","prompt":"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?"},{"title":"IP reputation audit for new server","prompt":"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?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:47:45.132Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-wpbl-weighted-private-block-list-aa0aec5b"}