Límites de Frecuencia

X-RateLimit-Limit: 200
X-RateLimit-Remaining: 195
X-RateLimit-Reset: 1734451200

{
  "error": "Too Many Requests",
  "message": "Rate limit exceeded. Please retry after 45 seconds.",
  "code": "RATE_LIMIT_EXCEEDED"
}

Retry-After: 45

async function makeApiRequest(url, options, maxRetries = 3) {
  for (let attempt = 0; attempt < maxRetries; attempt++) {
    const response = await fetch(url, options);
    
    // Check rate limit headers
    const remaining = parseInt(response.headers.get('X-RateLimit-Remaining'));
    const resetTime = parseInt(response.headers.get('X-RateLimit-Reset'));
    
    if (remaining < 10) {
      console.warn(`Rate limit warning: ${remaining} requests remaining`);
    }
    
    // Handle rate limit exceeded
    if (response.status === 429) {
      const retryAfter = parseInt(response.headers.get('Retry-After') || '60');
      console.log(`Rate limited. Retrying after ${retryAfter} seconds...`);
      
      if (attempt < maxRetries - 1) {
        await new Promise(resolve => setTimeout(resolve, retryAfter * 1000));
        continue;
      }
    }
    
    return response;
  }
  
  throw new Error('Max retries exceeded');
}

// Usage
const response = await makeApiRequest(
  'https://api.firma.dev/functions/v1/signing-request-api/templates',
  {
    headers: {
      'Authorization': process.env.FIRMA_API_KEY,
      'Content-Type': 'application/json'
    }
  }
);