Lobbying

{
  "data": {
    "contracts": 0,
    "donations_received_eur": {
      "from": 0,
      "to": 0
    },
    "employees_fte": 27.32,
    "fields_of_interest": [
      "Verkehrsinfrastruktur",
      "Personenverkehr"
    ],
    "fields_of_interest_en": [
      "Infrastructure",
      "Public transportation"
    ],
    "fiscal_year": [
      "2025-01-01",
      "2025-12-31"
    ],
    "lobbying_expenses_eur": {
      "from": 10270001,
      "to": 10280000
    },
    "membership_fees_eur": {
      "from": 15220001,
      "to": 15230000
    },
    "name": "Verband der Automobilindustrie e.V.",
    "register_number": "R001243",
    "regulatory_projects": 114,
    "statements": 91,
    "type": "Wirtschaftsverband oder Gewerbeverband/-verein",
    "type_en": "Trade association"
  },
  "docs": "https://api.polls.karbach.digital/v1/",
  "model": null,
  "notice": "Scenario analysis based on published opinion polls. Not a prediction and not a voting recommendation. Coalitions are arithmetic majorities only, not statemen...",
  "project": "Ein Projekt von Karbach.Digital (https://karbach.digital)",
  "source": {
    "lobby_register": "Deutscher Bundestag, Lobbyregister (public JSON download of the register search)",
    "lobby_register_note": "© Deutscher Bundestag; amounts are published ranges; organisations only, natural persons excluded",
    "polls": "dawum.de",
    "polls_license": "ODbL 1.0",
    "polls_license_url": "https://opendatacommons.org/licenses/odbl/1-0/",
    "processing": "polls.karbach.digital (Max Karbach)"
  },
  "uncertainty": null,
  "updated_at": "2026-10-18T16:26:35.592+02:00"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.polls.karbach.digital/v1/lobbying/:register'

# 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.polls.karbach.digital/v1/lobbying/:register' \
  | 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.polls.karbach.digital%2Fv1%2Flobbying%2F%3Aregister
const res = await pay("https://api.polls.karbach.digital/v1/lobbying/:register");
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.polls.karbach.digital/v1/lobbying/:register")
    print(res.status_code, res.text)