import time, random, httpx

def get_with_backoff(url, headers, params, max_retries=3):
    for attempt in range(max_retries):
        r = httpx.get(url, headers=headers, params=params)
        if r.status_code != 429:
            return r
        sleep = (2 ** attempt) + random.uniform(0, 1)
        time.sleep(sleep)
    raise Exception("Rate limited")

async function getWithBackoff(url, headers, maxRetries = 3) {
  for (let attempt = 0; attempt < maxRetries; attempt++) {
    const res = await fetch(url, { headers });
    if (res.status !== 429) return res;
    const sleep = (2 ** attempt) + Math.random();
    await new Promise(r => setTimeout(r, sleep * 1000));
  }
  throw new Error("Rate limited");
}