ENTERPRISE PRERENDERING
& SEO APIs FOR PLATFORMS

// GET /api/prerender/render?url=<target>
const res = await fetch(
  'https://lovablehtml.com/api/prerender/render' +
  '?url=https://your-app.com/page',
  { headers: { 'x-lovablehtml-api-key': 'sk_...' } }
);

const html = await res.text();

// Check response headers for SEO signals
const cache = res.headers.get('x-lovablehtml-render-cache');
// → "hit" (served from cache) or "miss" (fresh render)

const isSoft404 = res.headers.get('x-lovablehtml-soft-404');
// → "true" if SPA renders a not-found page

// 304 - Passthrough (static asset, non-HTML)
// Location header contains origin URL to proxy

// POST /api/seo-spider/runs
const audit = await fetch(
  'https://lovablehtml.com/api/seo-spider/runs',
  {
    method: 'POST',
    headers: {
      'x-lovablehtml-api-key': 'YOUR_API_KEY',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      domain: 'your-app.com',
      urls: ['https://your-app.com/'],
      mode: 'follow'
    })
  }
);
const { runId } = await audit.json();