curl --request POST \
  --url https://api.z.ai/api/paas/v4/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form purpose=user_data \
  --form file='@example-file'

import requests

url = "https://api.z.ai/api/paas/v4/files"

files = { "file": ("example-file", open("example-file", "rb")) }
payload = { "purpose": "user_data" }
headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('purpose', 'user_data');
form.append('file', '<string>');

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

options.body = form;

fetch('https://api.z.ai/api/paas/v4/files', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

HttpResponse<String> response = Unirest.post("https://api.z.ai/api/paas/v4/files")
  .header("Authorization", "Bearer <token>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"purpose\"\r\n\r\nuser_data\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
  .asString();

{
  "id": "<string>",
  "object": "<string>",
  "bytes": 123,
  "filename": "<string>",
  "purpose": "<string>",
  "created_at": 123
}

{
  "code": 123,
  "message": "<string>"
}