{"uid":"cap_9QD6Hrs-s7Ws_kymBod_d","slug":"nameserver-health-change-watch-3a182fa1","name":"Nameserver Health Change Watch","description":"Change watch for nameserver health: runs the check and compares it with the result from your previous call for the same domain (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 nameserver health for a domain changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/dns/nameserver-health","method":"GET","headers":{},"bodySchema":{"type":"object","$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_m5eXdsn5KgK5RcdUuCNWI","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 nameserver health for a domain and returns whether it changed since the last check, with before/after field diffs and timestamps","exampleAgentPrompt":"Keep an eye on nameserver health for example.com — call this on a schedule and let me know if anything changes, including exactly which fields are different and what they were before.","exampleUseCases":[{"title":"Detect nameserver outage for production domain","prompt":"Watch the nameserver health for myshop.com and alert me immediately if anything changes — I need to know which specific health fields flipped and what values they had before."},{"title":"Scheduled DNS health monitoring for client portfolio","prompt":"Set up a recurring check on nameserver health for client-site.net every hour and report back whenever the health status changes, showing me what changed and when it was last seen healthy."},{"title":"Post-migration nameserver health verification","prompt":"After we just migrated DNS for newbrand.io, poll the nameserver health every few minutes and tell me when the health result changes so I know the new nameservers have fully propagated correctly."}],"resultDescription":"Returns the current nameserver health result, a boolean indicating whether it changed since the previous call for that domain, a list of exactly which fields changed with their before and after values, and a timestamp of when the previous result was last seen. History is retained for 90 days.","failureModes":["Domain not provided or invalid — missing required query parameter","First-time call for a domain returns no diff since no prior result exists","Stored result older than 90 days is purged, causing a reset of baseline","Payment not completed — x402 protocol payment of $0.02 USDC required before response is returned","Nameserver temporarily unreachable during check — health check itself may fail or return partial results"],"whenToPreferThis":"Use this endpoint when you need change-detection semantics rather than just a raw nameserver health check — it automatically compares the current result against the last stored result and tells you exactly what changed, so your agent only needs to act when something is different. Prefer this over a plain health check endpoint when running on a schedule and wanting to avoid processing identical results repeatedly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:00.201Z","isFirstParty":false}