Error Handling

{
  "code": "BLUM-400-001",
  "message": "Invalid quantity. Must be a positive number."
}

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

    if (response.status === 429) {
      const retryAfter = parseInt(response.headers.get('Retry-After') || '1');
      const delay = retryAfter * 1000 * Math.pow(2, attempt) + Math.random() * 1000;
      await new Promise(resolve => setTimeout(resolve, delay));
      continue;
    }

    if (response.status >= 500 && attempt < maxRetries - 1) {
      const delay = Math.pow(2, attempt) * 1000 + Math.random() * 1000;
      await new Promise(resolve => setTimeout(resolve, delay));
      continue;
    }

    return response;
  }
  throw new Error('Max retries exceeded');
}