Extract Data via API

// Extract data with WorkChi AI Gateway
const response = await fetch('https://api.workchi.ai/v1/chat/completions', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    model: 'claude-sonnet-4',
    messages: [
      { role: 'system', content: 'Extract structured data from documents. Return JSON format.' },
      { role: 'user', content: 'Extract: company name, date, total amount, line items from this invoice text.' }
    ],
    max_tokens: 500,
    temperature: 0.3,
  }),
});