Facture Verifier

{
  "controles": {
    "iban": {
      "banque": {
        "identifiee": true
      },
      "exemple_de_documentation": true,
      "valide": true
    },
    "tva": {
      "attendue_pour_ce_siren": "FR27552032534",
      "correspond_au_siren": true,
      "fournie": "FR27552032534",
      "vies": {
        "statut": "valide"
      }
    }
  },
  "disclaimer": "Croisement déterministe des identifiants affichés par une facture (raisons en liste fermée, tracées à leur source) — ni un avis de conformité fiscale, ni une Verification of Payee : le volet bancaire contrôle la FORME et identifie la banque, sans vérifier l'existence du compte ni le nom du titulaire — un IBAN valide mais substitué n'est pas détectable ici. / Deterministic cross-check of the identifiers printed on an invoice — neither tax advice nor a Verification of Payee: the bank leg checks FORM and identifies the bank; a valid-but-swapped IBAN cannot be detected here.",
  "etat_administratif": "actif",
  "non_verifie": [
    "existence_du_compte",
    "nom_du_titulaire"
  ],
  "raisons": [
    {
      "code": "iban_exemple_documentation",
      "niveau": "information",
      "source": "IBAN publié comme EXEMPLE de documentation — bien formé ; existence du compte non contrôlée."
    }
  ],
  "siren": "552032534",
  "source": "Composition Sirenic : INSEE Sirene (état, live), croisement TVA calculée (clé FR déterministe), VIES (Commission européenne, live), contrôle de forme IBAN + registres bancaires officiels",
  "verdict": "coherent"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sirenic.eu/v1/facture/verifier?iban=FR1420041010050500013M02606&siren=552032534&tva=FR27552032534'

# 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/facture/verifier?iban=FR1420041010050500013M02606&siren=552032534&tva=FR27552032534' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sirenic.eu%2Fv1%2Ffacture%2Fverifier
const res = await pay("https://api.sirenic.eu/v1/facture/verifier?iban=FR1420041010050500013M02606&siren=552032534&tva=FR27552032534");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
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/facture/verifier?iban=FR1420041010050500013M02606&siren=552032534&tva=FR27552032534")
    print(res.status_code, res.text)