Energy Germany

{
  "data": {
    "days": 2,
    "labels_de": {
      "biomass": "Biomasse",
      "hard_coal": "Steinkohle",
      "hydro": "Wasserkraft",
      "lignite": "Braunkohle",
      "natural_gas": "Erdgas",
      "nuclear": "Kernenergie",
      "other_conventional": "Sonstige Konventionelle",
      "other_renewable": "Sonstige Erneuerbare",
      "pumped_storage": "Pumpspeicher",
      "solar": "Photovoltaik",
      "wind_offshore": "Wind Offshore",
      "wind_onshore": "Wind Onshore"
    },
    "last_complete_day": "2026-10-16",
    "note": "Public net generation as reported by SMARD; a day appears only when all active sources and consumption are reported. Prices: day-ahead DE-LU daily average, a...",
    "series": [
      {
        "consumption_gwh": 1370,
        "date": "2026-10-15",
        "generation_gwh": {
          "biomass": 98.2,
          "hard_coal": 82.6,
          "hydro": 28.1,
          "lignite": 262.1,
          "natural_gas": 203.3,
          "other_conventional": 39.2,
          "other_renewable": 1.9,
          "pumped_storage": 32.4,
          "solar": 228.2,
          "wind_offshore": 120.1,
          "wind_onshore": 197.2
        },
        "generation_total_gwh": 1293.3,
        "renewable_share_pct": 52.1,
        "wholesale_price_eur_per_mwh": 187.3
      },
      {
        "consumption_gwh": 1322.3,
        "date": "2026-10-16",
        "generation_gwh": {
          "biomass": 98.3,
          "hard_coal": 77.6,
          "hydro": 25.7,
          "lignite": 274.1,
          "natural_gas": 199.5,
          "other_conventional": 42.9,
          "other_renewable": 2.2,
          "pumped_storage": 25.7,
          "solar": 232.1,
          "wind_offshore": 85.9,
          "wind_onshore": 199.6
        },
        "generation_total_gwh": 1263.7,
        "renewable_share_pct": 50.9,
        "wholesale_price_eur_per_mwh": 210.67
      }
    ],
    "summary": {
      "avg_renewable_share_pct": 51.5,
      "avg_wholesale_price_eur_per_mwh": 198.99
    },
    "wholesale_price_next_days": {
      "2026-10-17": 168.27,
      "2026-10-18": 175.21,
      "2026-10-19": 208.44
    }
  },
  "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": {
    "energy_europe": "Eurostat (nrg_pc_204, nrg_pc_202)",
    "energy_europe_license": "Eurostat reuse policy, attribution required",
    "energy_germany": "SMARD.de, Bundesnetzagentur",
    "energy_germany_license": "CC BY 4.0",
    "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": "2026-10-18T14:31:14+00:00"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.polls.karbach.digital/v1/energy/germany?days=7'

# 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/energy/germany?days=7' \
  | 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%2Fenergy%2Fgermany
const res = await pay("https://api.polls.karbach.digital/v1/energy/germany?days=7");
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/energy/germany?days=7")
    print(res.status_code, res.text)