Metadatos Seo Pago

{
  "avisos": [],
  "canonica": "https://vextorium.com/",
  "codigo": 200,
  "descripcion": "150 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, FX, validation and AI text tools. Pay in USDC via x402.",
  "descripcion_longitud": 151,
  "favicon": "https://vextorium.com/icono.svg",
  "h1": [
    "Data APIs your AI agent pays for per call ."
  ],
  "h2": [
    "Why Vextorium",
    "Services by sector",
    "How it works",
    "Solana",
    "Tokenized stocks, AI agents & markets",
    "Wallets & tokens (EVM)",
    "DeFi & prices",
    "FX & validation",
    "Spain public data",
    "Documents & data",
    "Web & developer tools",
    "Agent payment safety",
    "Calculators & identifiers",
    "Economy & official statistics",
    "FAQ"
  ],
  "hreflang": [],
  "idioma": "en",
  "json_ld": [],
  "open_graph": {
    "og:description": "150 pay-per-call data APIs for AI agents. Pay in USDC on Base, Solana or Polygon with x402. No accounts, no API keys.",
    "og:image": "https://vextorium.com/og.png",
    "og:image:height": "630",
    "og:image:width": "1200",
    "og:title": "Vextorium — The x402 Payment Engine",
    "og:type": "website",
    "og:url": "https://vextorium.com/"
  },
  "robots": null,
  "titulo": "Vextorium — The x402 Payment Engine",
  "titulo_longitud": 35,
  "twitter": {
    "twitter:card": "summary_large_image",
    "twitter:image": "https://vextorium.com/og.png"
  },
  "url_final": "https://vextorium.com/"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/metadatos-seo-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://vextorium.com"}'

# 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/metadatos-seo-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://vextorium.com"}' \
  | 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%2Fmetadatos-seo-pago&method=POST
const res = await pay("https://api.vextorium.com/metadatos-seo-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "url": "https://vextorium.com"
  }),
});
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/metadatos-seo-pago",
        json={
            "url": "https://vextorium.com",
        },
    )
    print(res.status_code, res.text)