Hormuz Risk Screen

{
  "activeWindowHours": 1.5,
  "counts": {
    "dark": 0,
    "high": 34,
    "low": 1297,
    "moderate": 81,
    "sanctioned": 34,
    "spoofed": 14,
    "total": 1412
  },
  "darkFleetTotal": 71,
  "health": {
    "aisSource": "live",
    "note": null,
    "trusted": true
  },
  "schema": "https://straits.live/api/premium/hormuz/risk-screen",
  "vessels": [
    {
      "band": "high",
      "flag": "Iran",
      "imo": "8517243",
      "lastSeenAt": "2026-07-21T20:30:00Z",
      "mmsi": "422143000",
      "name": "MARIVAN",
      "reasons": [
        "ofac_sdn"
      ],
      "sanctionedBy": [
        "ofac"
      ]
    }
  ],
  "vesselsInclude": "flagged"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://straits.live/api/premium/hormuz/risk-screen?all=1'

# 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://straits.live/api/premium/hormuz/risk-screen?all=1' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fstraits.live%2Fapi%2Fpremium%2Fhormuz%2Frisk-screen
const res = await pay("https://straits.live/api/premium/hormuz/risk-screen?all=1");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://straits.live/api/premium/hormuz/risk-screen?all=1")
    print(res.status_code, res.text)