Estadisticas Texto Pago

{
  "caracteres": 87,
  "caracteres_sin_espacios": 70,
  "contiene_emojis": false,
  "frases": 2,
  "idioma_estimado": "en",
  "legibilidad": {
    "grado_flesch_kincaid": 3.7,
    "indice": "Flesch Reading Ease",
    "nivel": "easy",
    "valor": 84.9
  },
  "media_palabras_por_frase": 9,
  "palabras": 18,
  "palabras_frecuentes": [
    {
      "palabra": "quick",
      "veces": 1
    },
    {
      "palabra": "brown",
      "veces": 1
    },
    {
      "palabra": "fox",
      "veces": 1
    },
    {
      "palabra": "jumps",
      "veces": 1
    },
    {
      "palabra": "over",
      "veces": 1
    },
    {
      "palabra": "lazy",
      "veces": 1
    },
    {
      "palabra": "dog",
      "veces": 1
    },
    {
      "palabra": "sunny",
      "veces": 1
    },
    {
      "palabra": "day",
      "veces": 1
    },
    {
      "palabra": "everyone",
      "veces": 1
    }
  ],
  "palabras_unicas": 16,
  "parrafos": 1,
  "silabas": 24,
  "tiempo_habla_min": 0.12,
  "tiempo_lectura_min": 0.08
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/estadisticas-texto-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"texto":"The quick brown fox jumps over the lazy dog. It was a sunny day and everyone was happy."}'

# 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/estadisticas-texto-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"texto":"The quick brown fox jumps over the lazy dog. It was a sunny day and everyone was happy."}' \
  | 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 $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
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 $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Festadisticas-texto-pago&method=POST
const res = await pay("https://api.vextorium.com/estadisticas-texto-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "texto": "The quick brown fox jumps over the lazy dog. It was a sunny day and everyone was happy."
  }),
});
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 $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
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/estadisticas-texto-pago",
        json={
            "texto": "The quick brown fox jumps over the lazy dog. It was a sunny day and everyone was happy.",
        },
    )
    print(res.status_code, res.text)