{"uid":"cap_LvldCP43cEKt0Yw7glDxR","slug":"war-tracker-com-8ca784c8","name":"war-tracker.com Vessel AIS Track (1-hour polyline)","description":"Recent AIS position polyline for one vessel by IMO. Response shape: `{imo, hours_requested, hours_effective, raw_points_in_window, downsample_step, points: [{captured_utc, lat, lon, sog, cog}, …]}` — ordered oldest-first so a client can plot the track without sorting.\n\nThe `?hours=` parameter is currently clamped to 1 (anything wider is silently rolled back — the param stays in the route signature so we can ship longer windows as higher-priced tiers without a rename). When the raw window…","url":"https://war-tracker.com/api/v1/vessels/:imo/track","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":{"request":{"imo":"9741479"},"response":{"imo":9741479,"points":[],"downsample_step":1,"hours_effective":1,"hours_requested":1,"raw_points_in_window":0}},"exampleRequest":{"imo":"9741479"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_-xtFPvlgzvAW06gBIbtsZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the recent AIS position track (up to 1 hour of history) for a single vessel identified by IMO number, as an ordered list of lat/lon/speed/course points suitable for plotting.","exampleAgentPrompt":"Show me the AIS position track for the last hour for vessel IMO 9741479 — I want the ordered lat/lon points so I can plot the route on a map.","exampleUseCases":[{"title":"Monitor tanker movements near chokepoint","prompt":"Pull the last hour of AIS positions for IMO 9683621 so I can see if it's changed course near the Strait of Hormuz — I need the full track to plot on our mapping dashboard."},{"title":"Verify vessel sanctions evasion patterns","prompt":"Get me the position history for IMO 8007739 over the past hour — I'm looking for any sudden course changes or loitering that might indicate it's avoiding detection in the Black Sea."},{"title":"Analyze ship routing during conflict","prompt":"Show me the movement track for vessel IMO 9876543 from the last hour with all the lat/lon waypoints ordered chronologically — I need to visualize whether it's taking a different path to avoid the conflict zone."}],"resultDescription":"A JSON object containing the IMO, hours requested, effective hours covered, raw point count in the window, downsample step, and an array of position points ordered oldest-first, each with captured_utc timestamp, lat, lon, speed over ground (sog in knots), and course over ground (cog in degrees).","failureModes":["Unknown IMO number returns empty points array or 404","hours parameter silently clamped to 1 regardless of requested value","Vessel not transmitting AIS — returns zero points or sparse track","Stale data if vessel went dark — points may not reflect true position","Rate limit or payment failure returns 402 or 429 error"],"whenToPreferThis":"Use this endpoint when you need a time-ordered polyline of recent vessel positions to plot a movement track, rather than just the latest single position. Ideal for visualizing ship routes, detecting course changes, or confirming a vessel's recent path in a conflict or sanctions-monitoring context. Prefer over the latest-position endpoint when trajectory context matters, not just current location.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:43:34.881Z","isFirstParty":false}