HTTP/1.1 200 OK
Content-Type: application/json
X-RateLimit-Limit: 600
X-RateLimit-Remaining: 582
X-RateLimit-Reset: 1788448860

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "Too many requests. Please throttle your traffic and retry after 2 seconds.",
    "type": "rate_limit_error",
    "retry_after": 2
  }
}

async function fetchWithRetry(url: string, options: RequestInit, retries = 5, backoff = 500) {
  try {
    const res = await fetch(url, options);

    if (res.status === 429 && retries > 0) {
      const retryAfter = Number(res.headers.get('Retry-After')) * 1000 || backoff;
      // Add random jitter between 0ms and 200ms
      const jitter = Math.random() * 200;
      await new Promise(r => setTimeout(r, retryAfter + jitter));
      return fetchWithRetry(url, options, retries - 1, backoff * 2);
    }

    return res;
  } catch (err) {
    if (retries > 0) {
      await new Promise(r => setTimeout(r, backoff));
      return fetchWithRetry(url, options, retries - 1, backoff * 2);
    }
    throw err;
  }
}