War-Tracker Vessel Sanctions

Sanctions + watchlist rollup for one vessel by IMO. Joins our internal mirrors of the 9 sanctioning bodies (OFAC, FCDO, EU, UANI, ASO, GAC, UN, SECO, MFAT) plus the War-Tracker OSINT shadow-fleet watchlist, and returns every body that has ever listed the vessel along with the listing date per body, plus structured watchlist context (`reason`, `severity`, `source`, first/last-updated UTC). Free for browsers, AI-search crawlers, and link-preview bots; paid via x402 for training-crawler UAs…

SearchLiveeip155:8453Exactvia cdp
OfacSanctionsComplianceKycFcdo
Settlements · 30d
4
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$0.29
Verified settled volume
58 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0010
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-05-19 08:27Z
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x8B7243F652D3641F661619862157686992640b37

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

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Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.001USDC≈ $0.001 USD
on Base · exact scheme

Pay 0.001 USDC on Base to 0x8B72…40b37. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
1000 smallest units
0.002USDC≈ $0.002 USD
on Base · exact scheme

Pay 0.002 USDC on Base to 0x2633…9bd89. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
2000 smallest units
2000units
on Polygon · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Token contract
0x3c49…c3359
Payment window
1 minute
0.002USDC≈ $0.002 USD
on Base · exact scheme

Pay 0.002 USDC on Base to 0xF50C…62BAF. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
2000 smallest units
2000units
on Polygon · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Token contract
0x3c49…c3359
Payment window
1 minute
2000units
on eip155:43114 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Token contract
0xB97E…48a6E
Payment window
1 minute
0.001USDC≈ $0.001 USD
on Base · exact scheme

Pay 0.001 USDC on Base to 0x9FfD…A09fe. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
1000 smallest units
The catalog’s raw entry
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        "required": [
          "imo",
          "sanctioned",
          "watchlisted",
          "bodies"
        ],
        "properties": {
          "imo": {
            "type": "integer"
          },
          "flag": {
            "type": [
              "string",
              "null"
            ]
          },
          "name": {
            "type": [
              "string",
              "null"
            ]
          },
          "built": {
            "type": [
              "integer",
              "null"
            ]
          },
          "class": {
            "type": [
              "string",
              "null"
            ]
          },
          "bodies": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "body"
              ],
              "properties": {
                "body": {
                  "enum": [
                    "ofac",
                    "fcdo",
                    "uani",
                    "eu",
                    "aso",
                    "gac",
                    "un",
                    "seco",
                    "mfat"
                  ],
                  "type": "string"
                },
                "listed_date": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              }
            }
          },
          "watchlist": {
            "type": [
              "object",
              "null"
            ],
            "properties": {
              "reason": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "source": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "severity": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "created_utc": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "updated_utc": {
                "type": [
                  "string",
                  "null"
                ]
              }
            }
          },
          "sanctioned": {
            "type": "boolean"
          },
          "updated_utc": {
            "type": [
              "string",
              "null"
            ]
          },
          "watchlisted": {
            "type": "boolean"
          },
          "watchlist_sources": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      }
    },
    "maxTimeoutSeconds": 60
  },
  {
    "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xF50C0D73C68EF2d8B3388Ec060ED39edCeb62BAF",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:43114",
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "pathParams": {
          "type": "object",
          "required": [
            "imo"
          ],
          "properties": {
            "imo": {
              "type": "string",
              "pattern": "^[1-9][0-9]{6}$",
              "description": "7-digit IMO number."
            }
          }
        },
        "queryParams": {
          "type": "object",
          "required": [
            "imo"
          ],
          "properties": {
            "imo": {
              "type": "string",
              "pattern": "^[1-9][0-9]{6}$",
              "description": "7-digit IMO number."
            }
          }
        }
      },
      "output": {
        "type": "object",
        "required": [
          "imo",
          "sanctioned",
          "watchlisted",
          "bodies"
        ],
        "properties": {
          "imo": {
            "type": "integer"
          },
          "flag": {
            "type": [
              "string",
              "null"
            ]
          },
          "name": {
            "type": [
              "string",
              "null"
            ]
          },
          "built": {
            "type": [
              "integer",
              "null"
            ]
          },
          "class": {
            "type": [
              "string",
              "null"
            ]
          },
          "bodies": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "body"
              ],
              "properties": {
                "body": {
                  "enum": [
                    "ofac",
                    "fcdo",
                    "uani",
                    "eu",
                    "aso",
                    "gac",
                    "un",
                    "seco",
                    "mfat"
                  ],
                  "type": "string"
                },
                "listed_date": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              }
            }
          },
          "watchlist": {
            "type": [
              "object",
              "null"
            ],
            "properties": {
              "reason": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "source": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "severity": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "created_utc": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "updated_utc": {
                "type": [
                  "string",
                  "null"
                ]
              }
            }
          },
          "sanctioned": {
            "type": "boolean"
          },
          "updated_utc": {
            "type": [
              "string",
              "null"
            ]
          },
          "watchlisted": {
            "type": "boolean"
          },
          "watchlist_sources": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      }
    },
    "maxTimeoutSeconds": 60
  },
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "assetTransferMethod": "permit2"
    },
    "payTo": "0x9FfDCaEAf9ef166b4fA16f8707923CB89F2A09fe",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "GET",
        "pathParams": {
          "type": "object",
          "required": [
            "imo"
          ],
          "properties": {
            "imo": {
              "type": "string",
              "pattern": "^[1-9][0-9]{6}$",
              "description": "7-digit IMO number."
            }
          }
        },
        "queryParams": {
          "type": "object",
          "required": [
            "imo"
          ],
          "properties": {
            "imo": {
              "type": "string",
              "pattern": "^[1-9][0-9]{6}$",
              "description": "7-digit IMO number."
            }
          }
        }
      },
      "output": {
        "type": "object",
        "required": [
          "imo",
          "sanctioned",
          "watchlisted",
          "bodies"
        ],
        "properties": {
          "imo": {
            "type": "integer"
          },
          "flag": {
            "type": [
              "string",
              "null"
            ]
          },
          "name": {
            "type": [
              "string",
              "null"
            ]
          },
          "built": {
            "type": [
              "integer",
              "null"
            ]
          },
          "class": {
            "type": [
              "string",
              "null"
            ]
          },
          "bodies": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "body"
              ],
              "properties": {
                "body": {
                  "enum": [
                    "ofac",
                    "fcdo",
                    "uani",
                    "eu",
                    "aso",
                    "gac",
                    "un",
                    "seco",
                    "mfat"
                  ],
                  "type": "string"
                },
                "listed_date": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              }
            }
          },
          "watchlist": {
            "type": [
              "object",
              "null"
            ],
            "properties": {
              "reason": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "source": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "severity": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "created_utc": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "updated_utc": {
                "type": [
                  "string",
                  "null"
                ]
              }
            }
          },
          "sanctioned": {
            "type": "boolean"
          },
          "updated_utc": {
            "type": [
              "string",
              "null"
            ]
          },
          "watchlisted": {
            "type": "boolean"
          },
          "watchlist_sources": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      }
    },
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "imo": "9368223"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "imo": 9368223,
          "flag": "MH",
          "name": "ACHILLES",
          "built": 2007,
          "class": "Crude Oil Tanker",
          "bodies": [
            {
              "body": "ofac",
              "listed_date": "2023-12-01"
            },
            {
              "body": "uani",
              "listed_date": "2023-11-20"
            }
          ],
          "watchlist": {
            "reason": "Shadow-fleet AIS gap pattern, frequent flag swaps",
            "source": "shadow-fleet-osint",
            "severity": "high",
            "created_utc": "2024-03-15T00:00:00Z",
            "updated_utc": "2026-04-22T00:00:00Z"
          },
          "sanctioned": true,
          "updated_utc": "2026-05-17T00:00:00Z",
          "watchlisted": true,
          "watchlist_sources": [
            "shadow-fleet-osint"
          ]
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object",
              "required": [
                "imo"
              ],
              "properties": {
                "imo": {
                  "type": "string",
                  "pattern": "^[1-9][0-9]{6}$",
                  "description": "7-digit IMO number."
                }
              }
            },
            "queryParams": {
              "type": "object",
              "required": [
                "imo"
              ],
              "properties": {
                "imo": {
                  "type": "string",
                  "pattern": "^[1-9][0-9]{6}$",
                  "description": "7-digit IMO number."
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "required": [
                "imo",
                "sanctioned",
                "watchlisted",
                "bodies"
              ],
              "properties": {
                "imo": {
                  "type": "integer"
                },
                "flag": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "name": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "built": {
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "class": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "bodies": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "required": [
                      "body"
                    ],
                    "properties": {
                      "body": {
                        "enum": [
                          "ofac",
                          "fcdo",
                          "uani",
                          "eu",
                          "aso",
                          "gac",
                          "un",
                          "seco",
                          "mfat"
                        ],
                        "type": "string"
                      },
                      "listed_date": {
                        "type": [
                          "string",
                          "null"
                        ]
                      }
                    }
                  }
                },
                "watchlist": {
                  "type": [
                    "object",
                    "null"
                  ],
                  "properties": {
                    "reason": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "severity": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "created_utc": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "updated_utc": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  }
                },
                "sanctioned": {
                  "type": "boolean"
                },
                "updated_utc": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "watchlisted": {
                  "type": "boolean"
                },
                "watchlist_sources": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    },
    "routeTemplate": "/api/v1/vessels/{imo}/sanctions"
  }
}

Provenance

Seen in the source catalog
2026-05-19 08:27Z
Last indexed by Roundhouse
2026-06-11 02:40Z
Last enriched (probe, favicon, geo)
2026-09-21 12:15Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service War-Tracker Vessel Sanctions and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=War-Tracker%20Vessel%20Sanctions'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://war-tracker.com/api/v1/vessels/9368223/sanctions, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.