Social Images via API

const response = await fetch('/api/generate', {
  method: 'POST',
  headers: {
    'X-API-Key': process.env.API_KEY,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    title: 'How to Build a SaaS',
    subtitle: 'A complete guide',
    theme: 'dark'
  })
});