Alertas Desastres Pago

{
  "alertas": [
    {
      "activa": false,
      "alerta": "naranja",
      "desde": "2026-09-22T18:00:00",
      "enlace": "https://www.gdacs.org/report.aspx?eventid=1001326&episodeid=6&eventtype=TC",
      "gravedad": "Tropical Storm (maximum wind speed of 83 km/h)",
      "hasta": "2026-09-24T00:00:00",
      "lat": 18.1,
      "lon": 83.7,
      "nombre": "Tropical Cyclone ONE-26",
      "pais": "India",
      "tipo": "ciclon"
    },
    {
      "activa": true,
      "alerta": "rojo",
      "desde": "2026-09-21T03:00:00",
      "enlace": "https://www.gdacs.org/report.aspx?eventid=1001325&episodeid=38&eventtype=TC",
      "gravedad": "Tropical Depression (maximum wind speed of 287 km/h)",
      "hasta": "2026-09-30T03:00:00",
      "lat": 30.5,
      "lon": -108,
      "nombre": "Tropical Cyclone POLO-26",
      "pais": "Mexico",
      "tipo": "ciclon"
    },
    {
      "activa": false,
      "alerta": "naranja",
      "desde": "2026-09-04T21:00:00",
      "enlace": "https://www.gdacs.org/report.aspx?eventid=1000148&episodeid=1&eventtype=VO",
      "gravedad": "",
      "hasta": "2026-09-04T21:00:00",
      "lat": -6.1009,
      "lon": 105.4233,
      "nombre": "Eruption  Krakatau",
      "pais": "Indonesia",
      "tipo": "volcan"
    },
    {
      "activa": false,
      "alerta": "naranja",
      "desde": "2026-08-28T05:13:35",
      "enlace": "https://www.gdacs.org/report.aspx?eventid=1562260&episodeid=1729706&eventtype=EQ",
      "gravedad": "Magnitude 5M, Depth:10km",
      "hasta": "2026-08-28T05:13:35",
      "lat": 29.2752,
      "lon": 105.229,
      "nombre": "Earthquake in China",
      "pais": "China",
      "tipo": "terremoto"
    },
    {
      "activa": false,
      "alerta": "rojo",
      "desde": "2026-08-26T01:00:00",
      "enlace": "https://www.gdacs.org/report.aspx?eventid=1104124&episodeid=1&eventtype=FL",
      "gravedad": "Magnitude 0 ",
      "hasta": "2026-09-01T14:00:00",
      "lat": 27.2953,
      "lon": 85.3649,
      "nombre": "Flood in Nepal",
      "pais": "Nepal",
      "tipo": "inundacion"
    }
  ],
  "fuente": "GDACS (Naciones Unidas y Centro Común de Investigación de la Comisión Europea)",
  "nivel_minimo": "naranja",
  "total": 88
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/alertas-desastres-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"limite":5,"nivel":"naranja"}'

# 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 - -X POST 'https://api.vextorium.com/alertas-desastres-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"limite":5,"nivel":"naranja"}' \
  | 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 $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
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 $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Falertas-desastres-pago&method=POST
const res = await pay("https://api.vextorium.com/alertas-desastres-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limite": 5,
    "nivel": "naranja"
  }),
});
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 $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/alertas-desastres-pago",
        json={
            "limite": 5,
            "nivel": "naranja",
        },
    )
    print(res.status_code, res.text)