Kyb Batch

{
  "entreprises": [
    {
      "blocs_manquants": [],
      "contentieux": {
        "couvert": true,
        "synthese": {
          "nombre_decisions": 0
        }
      },
      "criblage_sanctions": {
        "statut": "rapprochements_partiels_seulement"
      },
      "identite": {
        "denomination": "DANONE",
        "etat_administratif": "actif"
      },
      "score_completude": 100,
      "siren": "552032534",
      "trouve": true,
      "tva_intracommunautaire": "FR27552032534"
    }
  ],
  "nombre_demande": 2,
  "nombre_trouve": 2,
  "tarification": "Facturé par SIREN demandé (prix unitaire de lot). Un SIREN sans entreprise diffusible est restitué `trouve: false` et compté comme une consultation. / Billed per requested SIREN; a not-found SIREN counts as one lookup."
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sirenic.eu/v1/kyb/batch?sirens=552032534%2C542065479'

# 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/kyb/batch?sirens=552032534%2C542065479' \
  | 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 $0.21 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.21" });
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 $0.21 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sirenic.eu%2Fv1%2Fkyb%2Fbatch
const res = await pay("https://api.sirenic.eu/v1/kyb/batch?sirens=552032534%2C542065479");
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 $0.21 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.21"})
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/kyb/batch?sirens=552032534%2C542065479")
    print(res.status_code, res.text)