(async () => {
  const response = await fetch('https://api.1line.ai/chat', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer ' + token,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ input: 'hello world!', model:'gpt-4-1106-preview' })
  });
  const result = await response.json();
  console.log(result);
})();