速率限制与配额

{
  "success": false,
  "message": "Rate limit exceeded. Please retry later.",
  "error_code": "RATE_LIMIT_EXCEEDED"
}

async function apiRequestWithBackoff(url, options, maxRetries = 3) {
  for (let i = 0; i < maxRetries; i++) {
    const response = await fetch(url, options);

    if (response.status === 429) {
      const waitTime = Math.pow(2, i) * 1000;
      console.log(`Rate limited. Retrying in ${waitTime}ms...`);
      await sleep(waitTime);
      continue;
    }

    return response;
  }

  throw new Error('Max retries exceeded due to rate limiting');
}