Veo 3.1 Fast (Vertex)

// Start a generation
const start = await fetch('https://api.miavo.xyz/v1/videos/generations', {
  method: 'POST',
  headers: {
    authorization: `Bearer ${process.env.MACAW_API_KEY}`,
    'content-type': 'application/json',
  },
  body: JSON.stringify({
    model: 'vertex-veo-3.1-fast',
    prompt: 'A close-up of raindrops on a window, soft focus, slow motion.',
    aspect_ratio: '16:9',
    duration_seconds: 8,
  }),
}).then(r => r.json());

// Poll until done — usually 1–3 minutes
let task = start;
while (task.status === 'pending' || task.status === 'running') {
  await new Promise(r => setTimeout(r, 5000));
  task = await fetch(`https://api.miavo.xyz/v1/videos/generations/${start.id}`, {
    headers: { authorization: `Bearer ${process.env.MACAW_API_KEY}` },
  }).then(r => r.json());
}

if (task.status === 'succeeded') {
  // Download the file
  const video = await fetch(`https://api.miavo.xyz${task.video_url}`, {
    headers: { authorization: `Bearer ${process.env.MACAW_API_KEY}` },
  });
  // → pipe video.body to disk or play in a <video> tag
}