const url = 'https://api.supermemory.ai/v3/documents/file';
const form = new FormData();
form.append('file', '{}');

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

options.body = form;

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}

{
  "id": "<string>",
  "status": "<string>"
}