const response = await fetch('https://api.vizapi.ai/v1/agents/extract-values', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    template_id: 'pose-analyzer',
    images: [
      'https://example.com/front-view.jpg',
      'https://example.com/side-view.jpg',
      'https://example.com/back-view.jpg'
    ]
  })
});