Token Veredicto Pago

{
  "contrato": {
    "codigo_verificado": true,
    "propiedad_renunciada": false,
    "propietario": "0x704Ec5C12Ca20a293C2C0B72B22619A4231f3c0d",
    "proxy_actualizable": false,
    "quemado_pct": 0.0006,
    "suministro": 36068431183.27878
  },
  "mercado": {
    "cambio_24h_pct": 0.83,
    "capitalizacion_usd": 39003963,
    "compras_24h": 269,
    "dex_principal": "uniswap",
    "dexscreener": "https://dexscreener.com/base/0xc9034c3e7f58003e6ae0c8438e7c8f4598d5acaa",
    "edad_dias": 999,
    "liquidez_usd": 131585,
    "pares": 1,
    "precio_usd": 0.001081,
    "ventas_24h": 537,
    "volumen_24h_usd": 34182
  },
  "nombre": "Degen",
  "nota": "Heurística automática y transparente. Stablecoins reguladas (USDC…) tienen control del emisor por ley: puntúan menos sin ser estafas. No es consejo de inversión.",
  "puntuacion": 87,
  "red": "base",
  "riesgo": "bajo",
  "senales": [
    {
      "motivo": "Puede pausar las transferencias.",
      "penalizacion": 8
    },
    {
      "motivo": "Tiene propietario con privilegios (0x704Ec5C12Ca20a293C2C0B72B22619A4231f3c0d).",
      "penalizacion": 5
    }
  ],
  "simbolo": "DEGEN",
  "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/token-veredicto-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"red":"base","token":"0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"}'

# 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/token-veredicto-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"red":"base","token":"0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"}' \
  | 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 $0.006 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.006" });
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 $0.006 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Ftoken-veredicto-pago&method=POST
const res = await pay("https://api.vextorium.com/token-veredicto-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "red": "base",
    "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
  }),
});
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 $0.006 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.006"})
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/token-veredicto-pago",
        json={
            "red": "base",
            "token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
        },
    )
    print(res.status_code, res.text)