: "${KARTA_API_KEY:?Set your API key}"

curl --fail-with-body --get 'https://api.getkarta.ai/public/v1/billing/transactions' \
  -H "Authorization: Bearer $KARTA_API_KEY" \
  --data-urlencode 'start_date=2026-09-01' \
  --data-urlencode 'end_date=2026-09-07'

import json
import os
from urllib.parse import urlencode
from urllib.request import Request, urlopen

query = urlencode({"start_date": "2026-09-01", "end_date": "2026-09-07"})
request = Request(
    f"https://api.getkarta.ai/public/v1/billing/transactions?{query}",
    headers={"Authorization": f"Bearer {os.environ['KARTA_API_KEY']}"},
)
with urlopen(request, timeout=30) as response:
    print(json.load(response))

// Run on your server.
const { KARTA_API_KEY } = process.env;
if (!KARTA_API_KEY) throw new Error("Set your API key");
const query = new URLSearchParams({
  start_date: "2026-09-01",
  end_date: "2026-09-07",
});
const response = await fetch(
  `https://api.getkarta.ai/public/v1/billing/transactions?${query}`,
  { headers: { "Authorization": `Bearer ${KARTA_API_KEY}` } }
);
if (!response.ok) throw new Error(`${response.status}: ${await response.text()}`);
console.log(await response.json());