Extraer Tablas Html Pago

{
  "tablas": [
    {
      "columnas": [
        "Country/Territory",
        "IMF ( 2026 ) [ 1 ]"
      ],
      "filas": [
        {
          "Country/Territory": "World",
          "IMF ( 2026 ) [ 1 ]": "126,295,331",
          "United Nations (2024) [ 7 ]": "111,565,144",
          "World Bank (2025) [ 6 ]": "118,350,166"
        },
        {
          "Country/Territory": "United States",
          "IMF ( 2026 ) [ 1 ]": "32,383,920",
          "United Nations (2024) [ 7 ]": "29,298,000",
          "World Bank (2025) [ 6 ]": "30,769,700"
        }
      ],
      "indice": 2,
      "num_filas": 222,
      "titulo": "GDP forecast or estimate (million US$) by country"
    },
    {
      "columnas": [
        "Regional groupings",
        "IMF ( 2026 ) [ 1 ]"
      ],
      "filas": [
        {
          "IMF ( 2026 ) [ 1 ]": "126,295,331",
          "Regional groupings": "World",
          "World Bank (2024) [ 6 ]": "110,983,000"
        },
        {
          "IMF ( 2026 ) [ 1 ]": "73,813,712",
          "Regional groupings": "Advanced Economies/High Income [ r 1 ]",
          "World Bank (2024) [ 6 ]": "71,321,000 [ r 2 ]"
        }
      ],
      "indice": 3,
      "num_filas": 13,
      "titulo": "GDP forecast or estimate (million US$) by region or grouping"
    }
  ],
  "tablas_en_pagina": 8,
  "url_final": "https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/extraer-tablas-html-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"max_filas":3,"url":"https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)"}'

# 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/extraer-tablas-html-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"max_filas":3,"url":"https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)"}' \
  | 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%2Fextraer-tablas-html-pago&method=POST
const res = await pay("https://api.vextorium.com/extraer-tablas-html-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "max_filas": 3,
    "url": "https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)"
  }),
});
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/extraer-tablas-html-pago",
        json={
            "max_filas": 3,
            "url": "https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)",
        },
    )
    print(res.status_code, res.text)