const response = await fetch('https://api.datachi.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: 'user', content: 'Summarize this contract...' }
        ],
        max_tokens: 1000,
    }),
});

const data = await response.json();
console.log(data.choices[0].message.content);