United States Coast Guard

United States Coast Guard Vessel Documentation API

National Vessel Documentation Center vessel records

Documentation GitHub OpenAPI

Operations 1

GET /VDS/SearchAndReturn/Search.aspx Search Vessel Documentation Status #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/united-states-coast-guard-vessel-documentation-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: CGMIX Maritime Information Exchange Equipment Vessel Documentation API
  description: The Coast Guard Maritime Information Exchange (CGMIX) provides access to U.S. Coast Guard maritime information including vessel documentation, Port State Information Exchange (PSIX) vessel data, equipment certification listings, and Incident Investigation Reports (IIR). Data originates from the Marine Information for Safety and Law Enforcement (MISLE) system and is updated weekly.
  version: 1.0.0
  contact:
    name: U.S. Coast Guard CGMIX
    url: https://cgmix.uscg.mil/
  license:
    name: Public Domain
    url: https://www.usa.gov/government-works
servers:
- url: https://cgmix.uscg.mil
  description: CGMIX Production Server
tags:
- name: Vessel Documentation
  description: National Vessel Documentation Center vessel records
paths:
  /VDS/SearchAndReturn/Search.aspx:
    get:
      operationId: searchVesselDocumentation
      summary: Search Vessel Documentation Status
      description: Search the National Vessel Documentation Center (NVDC) for documented vessels by vessel name, official number, or hull identification number.
      tags:
      - Vessel Documentation
      parameters:
      - name: vsnm
        in: query
        description: Vessel name (partial match supported)
        required: false
        schema:
          type: string
        example: SEA EAGLE
      - name: offn
        in: query
        description: Official number assigned by USCG
        required: false
        schema:
          type: string
        example: '1234567'
      - name: hin
        in: query
        description: Hull Identification Number
        required: false
        schema:
          type: string
        example: ABC12345D101
      responses:
        '200':
          description: Vessel documentation search results
          content:
            text/html:
              schema:
                type: string