Entreprise CZ

{
  "adresse_siege": {
    "adresse": "Duhová 1444/2, Michle, 14000 Praha 4",
    "code_postal": "14000",
    "pays": "CZ",
    "ville": "Praha"
  },
  "data_freshness": "ARES temps réel (cache 24 h)",
  "date_creation": "1992-05-06",
  "denomination": "ČEZ, a. s.",
  "disclaimer": "Données rediffusées telles que publiées par les registres officiels, dans un schéma unifié ; `statut` est une normalisation en 3 valeurs, le libellé source est conservé dans `statut_detail`. / Official register data as published, unified schema; `statut` is a 3-value normalization.",
  "forme_juridique": {
    "code": "121",
    "libelle": null
  },
  "id_national": "45274649",
  "identifiants": {
    "lei": null,
    "tva": "CZ45274649"
  },
  "lien_registre": "https://ares.gov.cz/ekonomicke-subjekty?ico=45274649",
  "pays": "CZ",
  "registre": "ARES — Registr ekonomických subjektů (MF ČR)",
  "statut": "actif",
  "statut_detail": null
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sirenic.eu/v1/eu/entreprise/CZ/:id'

# 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 - 'https://api.sirenic.eu/v1/eu/entreprise/CZ/:id' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sirenic.eu%2Fv1%2Feu%2Fentreprise%2FCZ%2F%3Aid
const res = await pay("https://api.sirenic.eu/v1/eu/entreprise/CZ/:id");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.sirenic.eu/v1/eu/entreprise/CZ/:id")
    print(res.status_code, res.text)