Alles was Sie brauchenfür den Start

const response = await fetch('https://flyfile.it/api/v1/upload', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${token}`,
    'Content-Type': 'multipart/form-data'
  },
  body: formData
});

const result = await response.json();
console.log(result.shareUrl);

import requests

headers = {
    'Authorization': f'Bearer {token}'
}

files = {'file': open('document.pdf', 'rb')}

response = requests.post(
    'https://flyfile.it/api/v1/upload',
    headers=headers,
    files=files
)

print(response.json()['shareUrl'])