curl --request POST \
  --url https://api.example.com/workflow/seedanceDiscountChannel1 \
  --header 'Content-Type: multipart/form-data' \
  --form prompt= \
  --form aspect_ratio= \
  --form model_option= \
  --form resolution_option=

const form = new FormData();
form.append('prompt', '');
form.append('aspect_ratio', '');
form.append('model_option', '');
form.append('resolution_option', '');

const options = {method: 'POST'};

options.body = form;

fetch('https://api.example.com/workflow/seedanceDiscountChannel1', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.example.com/workflow/seedanceDiscountChannel1"

payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"aspect_ratio\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"model_option\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"resolution_option\"\r\n\r\n\r\n-----011000010111000001101001--"

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

print(response.text)

{}

{}