{"uid":"cap_g2exfjmCg8Yqpb_03lhZM","slug":"ip-listed-on-psbl-blacklist-change-watch-774cde0c","name":"IP Listed on PSBL Blacklist Change Watch","description":"Change watch for ip listed on psbl: 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. $0.02 per check.","url":"https://ip.intel.rallylive.ca/watch/ip/blacklist/psbl?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.02","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_aw5SfjSMVHddk-Xx3Zjr8","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":"Checks if an IP is listed on the PSBL (Passive Spam Block List) and returns whether the result has changed since the last check, with before/after field diffs and last-seen timestamp.","exampleAgentPrompt":"Keep an eye on whether IP 203.0.113.45 is listed on the PSBL spam blacklist, and tell me if anything has changed since the last check — show me what the status was before and what it is now.","exampleUseCases":[{"title":"Mail server IP reputation monitoring","prompt":"Monitor my outbound mail server at IP 198.51.100.22 on the PSBL blacklist — let me know right away if its listing status changes from the last time you checked."},{"title":"ISP customer IP blacklist alert","prompt":"Check if the customer IP 203.0.113.88 has been newly listed or removed from the PSBL spam blacklist compared to the last check, and show me the before and after values."},{"title":"Security team IP watchlist alerting","prompt":"I'm running a scheduled watchlist — check 192.0.2.10 against PSBL and flag if the blacklist status has changed since the previous check 24 hours ago."}],"resultDescription":"Returns the current PSBL blacklist status for the IP, a boolean 'changed' flag indicating whether the result differs from the previous call, a diff of any changed fields with before and after values, and a timestamp of when the status was last seen. Previous results are retained for 90 days for comparison.","failureModes":["IP address not provided or invalid format — may return an error or empty result","No previous result stored (first call) — 'changed' will be indeterminate or false with no diff","PSBL service unreachable — check may fail or return stale data","Previous result expired (older than 90 days) — comparison baseline lost","Rate limiting or payment failure — call rejected with 402 or similar"],"whenToPreferThis":"Use this endpoint when you need to detect changes in PSBL blacklist status for a specific IP over time, rather than just a one-time lookup. It is ideal for scheduled monitoring workflows where you want to be alerted only when something changes, avoiding noise from repeated identical results. Prefer this over a plain PSBL check when you need before/after diff data and change history retained across calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:05.920Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-psbl-blacklist-change-watch-774cde0c"}