One API, All AI Models，

const response = await fetch(
  'https://api.hiapi.ai/v1/images/generations',
  {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer sk-...',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      model: 'nano-banana',
      prompt: 'a cat wearing sunglasses'
    })
  }
);