GET /api/
HTTP 200 OK
Vary: Accept
Content-Type: application/json
Allow: GET, HEAD, OPTIONS

{
    "ports": "http://www.portsdb.com/api/ports/",
    "terminals": "http://www.portsdb.com/api/terminals/",
    "berths": "http://www.portsdb.com/api/berths/",
    "countries": "http://www.portsdb.com/api/countries/"
}