{"uid":"cap_e448P1phPm9yJPOKv0xZp","slug":"is-ip-railway-watch-c45ec3b6","name":"is-ip-railway-watch","description":"Change watch for is ip railway: 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. $0.02 per check.","url":"https://ip.intel.rallylive.ca/watch/ip/is/railway?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_tHq8VovEmH4oKTpp_tqeZ","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 whether an IP address belongs to Railway's infrastructure and alerts when that classification changes between checks.","exampleAgentPrompt":"Keep an eye on whether 104.21.55.100 is hosted on Railway — let me know if that ever changes from what it was last time you checked.","exampleUseCases":[{"title":"Detect Railway exit from infrastructure","prompt":"Watch 198.51.100.42 and let me know as soon as it stops being classified as a Railway IP — I want to be alerted the moment that changes."},{"title":"Monitor competitor hosting migration","prompt":"I need to track whether our competitor's server at 185.199.108.153 moves off Railway — set up a watch and tell me if the Railway classification ever flips."},{"title":"Automate Railway IP change alerts","prompt":"Check if 35.227.64.1 is still flagged as a Railway IP and compare it to the last result — tell me what changed, including any before-and-after field differences."}],"resultDescription":"Returns the current is-railway boolean answer, a changed true/false flag indicating whether the result differs from the previous check (stored up to 90 days), a list of fields that changed with before/after values, and the timestamp of when the IP was last seen. Costs $0.02 USDC per call.","failureModes":["No previous result stored — first call returns current result with changed=false and no before/after diff","IP address not provided or invalid — returns error","Previous result expired (older than 90 days) — treated as first call","Network or edge connectivity failure checking the IP — returns error or partial result","Payment not completed — request blocked with 402 response"],"whenToPreferThis":"Choose this endpoint when you need to reactively detect whether a specific IP address has changed its Railway hosting classification over time, rather than simply querying its current status. It is ideal for scheduling periodic checks and building alert pipelines around Railway infrastructure changes. Use the non-watch variant if you only need the current Railway classification without diff tracking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:44:40.384Z","isFirstParty":false,"canonicalSlug":"is-ip-railway-watch-c45ec3b6"}