Results Federal

{
  "data": {
    "elections": [
      {
        "beteiligung": 69.6,
        "beteiligung_delta": 5.8,
        "beteiligung_vorwahl": 63.8,
        "datum": "2026-03-08",
        "ergebnis": {
          "AfD": 18.8,
          "CDU": 29.7,
          "FDP": 4.4,
          "Grüne": 30.2,
          "Linke": 4.4,
          "SPD": 5.5
        },
        "fehler_je_partei": {
          "AfD": 1.9,
          "CDU": -3.1,
          "FDP": 0.3,
          "Grüne": -0.5,
          "Linke": 0.9,
          "SPD": 0.8
        },
        "konfidenz": null,
        "mae_grosse_parteien": 1.25,
        "mittlere_streuung_pp": null,
        "name": "Landtagswahl Baden-Württemberg",
        "prognose": {
          "AfD": 20.7,
          "CDU": 26.6,
          "FDP": 4.7,
          "Grüne": 29.7,
          "Linke": 5.3,
          "SPD": 6.3
        },
        "umfragen": null,
        "vorwahl": "Landtagswahl 2021",
        "wahl": "bw-2026"
      },
      {
        "beteiligung": 64,
        "beteiligung_delta": -0.4,
        "beteiligung_vorwahl": 64.4,
        "datum": "2026-03-22",
        "ergebnis": {
          "AfD": 20,
          "CDU": 30.6,
          "FW": 4.2,
          "Grüne": 7.9,
          "Linke": 4.4,
          "SPD": 25.7
        },
        "fehler_je_partei": {
          "AfD": -0.8,
          "CDU": -2.1,
          "FW": 0.6,
          "Grüne": 0.9,
          "Linke": 0.6,
          "SPD": 1.3
        },
        "konfidenz": null,
        "mae_grosse_parteien": 1.05,
        "mittlere_streuung_pp": null,
        "name": "Landtagswahl Rheinland-Pfalz",
        "prognose": {
          "AfD": 19.2,
          "CDU": 28.5,
          "FW": 4.8,
          "Grüne": 8.8,
          "Linke": 5,
          "SPD": 27
        },
        "umfragen": null,
        "vorwahl": "Landtagswahl 2021",
        "wahl": "rlp-2026"
      }
    ]
  },
  "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": {
    "official_results": "Die Bundeswahlleiterin, Wiesbaden",
    "official_results_license": "Datenlizenz Deutschland Namensnennung 2.0",
    "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": "2026-09-21T03:10:01"
}

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

# 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/results/federal/:kind' \
  | 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.polls.karbach.digital%2Fv1%2Fresults%2Ffederal%2F%3Akind
const res = await pay("https://api.polls.karbach.digital/v1/results/federal/:kind");
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.polls.karbach.digital/v1/results/federal/:kind")
    print(res.status_code, res.text)