curl --request PUT \
  --url https://aquila.attaxr.com/api/models/selected \
  --header 'Content-Type: application/json' \
  --cookie better-auth.session_token= \
  --data '
{
  "modelId": "<string>"
}
'

const options = {
  method: 'PUT',
  headers: {cookie: 'better-auth.session_token=', 'Content-Type': 'application/json'},
  body: JSON.stringify({modelId: '<string>'})
};

fetch('https://aquila.attaxr.com/api/models/selected', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://aquila.attaxr.com/api/models/selected"

payload = { "modelId": "<string>" }
headers = {
    "cookie": "better-auth.session_token=",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.text)

{
  "error": "<string>"
}

{
  "error": "<string>"
}