Dolar Ar

{
  "evidence": {
    "response": "evidence/source-20261012T045837356753Z/response.body",
    "responseBytes": 1227,
    "responseSha256": "828b819ac929a1e8e262107e4f16243f1c1877ab8cc1b2df94cf6b4923761d04"
  },
  "quotes": [
    {
      "casa": "oficial",
      "compra": 1485,
      "fechaActualizacion": "2026-10-09T18:55:00.000Z",
      "moneda": "USD",
      "nombre": "Oficial",
      "venta": 1535
    },
    {
      "casa": "blue",
      "compra": 1520,
      "fechaActualizacion": "2026-10-11T21:00:00.000Z",
      "moneda": "USD",
      "nombre": "Blue",
      "venta": 1540
    },
    {
      "casa": "bolsa",
      "compra": 1535.9,
      "fechaActualizacion": "2026-10-11T21:00:00.000Z",
      "moneda": "USD",
      "nombre": "Bolsa",
      "venta": 1542.9
    },
    {
      "casa": "contadoconliqui",
      "compra": 1605.5,
      "fechaActualizacion": "2026-10-11T21:00:00.000Z",
      "moneda": "USD",
      "nombre": "Contado con liquidación",
      "venta": 1606.6
    }
  ],
  "readAt": "2026-10-12T04:58:37.706831+00:00",
  "scope": "Cotizaciones publicadas por DolarAPI. La hora de lectura y la fecha de actualización de cada registro son distintas; no garantiza precios en tiempo real ni confirma datos con otra fuente.",
  "source": "DolarAPI",
  "sourceUrl": "https://dolarapi.com/v1/dolares"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tienda.textokit.store/api/dolar-ar' \
  -H 'content-type: application/json' \
  --data-raw '{}'

# 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://tienda.textokit.store/api/dolar-ar' \
  -H 'content-type: application/json' \
  --data-raw '{}' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftienda.textokit.store%2Fapi%2Fdolar-ar&method=POST
const res = await pay("https://tienda.textokit.store/api/dolar-ar", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({}),
});
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tienda.textokit.store/api/dolar-ar",
        json={},
    )
    print(res.status_code, res.text)