{"uid":"cap_ArBk64uSyBN3VQGex7xD9","slug":"dnsbl-check-change-watch-3191b268","name":"DNSBL Check Change Watch","description":"Change watch for dnsbl check: runs the check and compares it with the result from your previous call for the same ip (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when ip blacklist changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/dns/blacklist","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Cx9OzKUa2YMDsR0-txKDO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors an IP address against DNS blacklists, returning the current result plus a diff (changed/unchanged, before/after field values) compared to the previous check stored for 90 days.","exampleAgentPrompt":"Keep an eye on whether 203.0.113.42 shows up on any DNS blacklists — check it on a schedule and tell me if anything has changed since the last time you looked, including exactly which blacklist fields flipped and what the before and after values were.","exampleUseCases":[{"title":"Mail server deliverability monitoring","prompt":"My mail server is at 198.51.100.10 — check its DNS blacklist status and tell me if it's changed at all since the last check, so I know immediately if it gets listed somewhere new."},{"title":"Alerting on newly blacklisted customer IPs","prompt":"I want to watch IP 192.0.2.55 for any DNSBL changes; run the blacklist check against our last stored result and flag exactly which fields are different so I can investigate suspicious activity."},{"title":"Verifying successful IP delisting","prompt":"We just got 203.0.113.99 removed from a blacklist — can you run the DNSBL change watch on it and confirm whether the status has actually changed compared to the previous check?"}],"resultDescription":"Returns the current DNS blacklist check result for the IP, a boolean 'changed' flag indicating whether anything differs from the previous call, a detailed diff showing exactly which fields changed with before and after values, and the timestamp of when the IP was last seen — with prior results retained for 90 days.","failureModes":["Missing or invalid IP address parameter returns an error","IP not previously checked — no baseline stored yet, so no diff is available on first call","Results older than 90 days are purged, resetting the comparison baseline","Network timeouts reaching upstream DNSBL providers","Malformed query parameters return a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in an IP's DNS blacklist status over time rather than just a one-time snapshot. It is ideal for scheduled monitoring agents, deliverability pipelines, or security workflows where you need to know precisely when and how blacklist status changed, with before/after field-level diffs, rather than re-implementing your own diffing logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:00.327Z","isFirstParty":false}