{"uid":"cap_Mp4Iu90gzR2a1XZfWXslV","slug":"uscg-vessel-registry-lookup-29af64b9","name":"USCG Vessel Registry Lookup","description":"Look up vessels in the US Coast Guard PSIX registry by name (partial match), call sign, official number, hull number (HIN), flag country, service type, or build year. Returns matching vessels with the USCG vessel id, name, call sign, service type, build year, status, official number, HIN, and flag. Keyless, public-domain. Covers US-flagged vessels (and foreign vessels with US port-state-control activity). Pair the returned vesselId with maritime.cases for the inspection record. (Cross-references trade.locode for ports.)","url":"https://2s.io/api/maritime/vessel?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","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"properties":{"flag":{"type":"string","description":"Flag country name."},"name":{"type":"string","description":"Vessel name (partial match)."},"service":{"type":"string","description":"Service type (e.g. Freight Ship, Recreational)."},"callSign":{"type":"string"},"vesselId":{"type":"string","description":"USCG vessel id (exact)."},"buildYear":{"type":"string"},"hullNumber":{"type":"string","description":"Manufacturer hull number (HIN)."},"officialNumber":{"type":"string","description":"USCG official number (VIN)."}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ovHPDWS-udrP9lSndjOrN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search the U.S. Coast Guard PSIX vessel registry by name, hull number, official number, flag, service type, or build year","exampleAgentPrompt":"Can you look up the USCG vessel registry for a recreational boat with hull number SSUR4095C999 and tell me its official status, registration number, and flag?","exampleUseCases":null,"resultDescription":"Returns a JSON array of matching vessels with fields: vessel name, USCG vessel ID, official number, hull number (HIN), call sign, flag country, service type, build year, and active status — plus source attribution with license and provider URL from the U.S. Coast Guard PSIX database.","failureModes":["No matching vessels found for the provided search criteria (empty items array, total: 0)","Invalid or unrecognized query parameter values return empty results","USCG upstream service unavailable causing failed proxy response","Partial name matches may return large result sets if name is too generic","vesselId or officialNumber exact-match fields return no results if there is a typo"],"whenToPreferThis":"Use this endpoint when you need authoritative, ground-truth vessel registration data from the U.S. Coast Guard public records database. Ideal for verifying vessel ownership, checking hull identification numbers, confirming active status of a boat, or researching vessels by flag country or service type. Prefer this over commercial marine databases when you need official USCG-sourced data at minimal cost with no API key required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T06:55:06.144Z","isFirstParty":false,"canonicalSlug":"uscg-vessel-registry-lookup-29af64b9"}