Energy Iea Energy Statistics Api

{
  "checkedAt": "2026-10-23T09:38:24.798Z",
  "country": "USA",
  "indicator": "CO2BySource",
  "latestYear": 2024,
  "records": [
    {
      "flow": "Total CO2 emissions - Fuel Combustion",
      "product": "Coal",
      "units": "MtCO2",
      "value": 739.925,
      "year": 2024
    },
    {
      "flow": "Total CO2 emissions - Fuel Combustion",
      "product": "Oil",
      "units": "MtCO2",
      "value": 1867.434,
      "year": 2024
    }
  ],
  "source": "https://api.iea.org/stats/indicators/CO2BySource?countries=USA",
  "years": [
    2024
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.tradeenergy-api.workers.dev/api/energy/iea-energy-statistics-api?country=USA&indicator=CO2BySource&years=1'

# 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.tradeenergy-api.workers.dev/api/energy/iea-energy-statistics-api?country=USA&indicator=CO2BySource&years=1' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.tradeenergy-api.workers.dev%2Fapi%2Fenergy%2Fiea-energy-statistics-api
const res = await pay("https://api.tradeenergy-api.workers.dev/api/energy/iea-energy-statistics-api?country=USA&indicator=CO2BySource&years=1");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
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.tradeenergy-api.workers.dev/api/energy/iea-energy-statistics-api?country=USA&indicator=CO2BySource&years=1")
    print(res.status_code, res.text)