Ports Intelligence Month

{
  "calendar_months": 1,
  "coverage_start": "2025-06-01T00:00:00Z",
  "license_url": "https://aisfleet.com/agent-data-license/",
  "periods": [
    {
      "month": "2025-07",
      "summary": {
        "completed_visit_count": 1,
        "departure_not_observed_count": 0,
        "estimated_arrival_count": 0,
        "estimated_departure_count": 0,
        "observed_dwell_seconds": {
          "average": 28800,
          "median": 28800,
          "sample_visits": 1,
          "total": 28800
        },
        "repeat_vessel_count": 0,
        "vessel_count": 1,
        "visit_count": 1
      },
      "vessels": [
        {
          "ais_type": 70,
          "beam_meters": 28,
          "call_sign": "ABCD",
          "completed_visit_count": 1,
          "draught_meters": 9.2,
          "flag": "NL",
          "imo": "9876543",
          "length_meters": 180,
          "mmsi": "123456789",
          "name": "EXAMPLE TRADER",
          "observed_dwell_seconds": {
            "average": 28800,
            "median": 28800,
            "sample_visits": 1,
            "total": 28800
          },
          "total_stay_seconds": 28800,
          "vessel_kind": {
            "kind": "cargo",
            "label": "Cargo"
          },
          "visit_count": 1,
          "visits": [
            {
              "arrival_estimated": false,
              "arrived_at": "2025-07-08T09:12:00Z",
              "departed_at": "2025-07-08T17:12:00Z",
              "departure_estimated": false,
              "duration_seconds": 28800,
              "last_confirmed_at": "2025-07-08T17:12:00Z"
            }
          ]
        }
      ],
      "window_end": "2025-08-01T00:00:00Z",
      "window_start": "2025-07-01T00:00:00Z"
    }
  ],
  "port": {
    "country": "NL",
    "locode": "NLRTM",
    "name": "Rotterdam"
  },
  "product": "port-intelligence-month",
  "provider": "AIS Fleet",
  "summary": {
    "completed_visit_count": 1,
    "departure_not_observed_count": 0,
    "estimated_arrival_count": 0,
    "estimated_departure_count": 0,
    "observed_dwell_seconds": {
      "average": 28800,
      "median": 28800,
      "sample_visits": 1,
      "total": 28800
    },
    "repeat_vessel_count": 0,
    "vessel_count": 1,
    "visit_count": 1
  },
  "visit_basis": "arrival_at",
  "window_end": "2025-08-01T00:00:00Z",
  "window_end_exclusive": true,
  "window_start": "2025-07-01T00:00:00Z"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://aisfleet.com/api/x402/v1/ais/ports/:locode/intelligence-month?start=2025-07-01'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://aisfleet.com/api/x402/v1/ais/ports/:locode/intelligence-month?start=2025-07-01' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$1" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Faisfleet.com%2Fapi%2Fx402%2Fv1%2Fais%2Fports%2F%3Alocode%2Fintelligence-month
const res = await pay("https://aisfleet.com/api/x402/v1/ais/ports/:locode/intelligence-month?start=2025-07-01");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://aisfleet.com/api/x402/v1/ais/ports/:locode/intelligence-month?start=2025-07-01")
    print(res.status_code, res.text)