curl --request POST \
  --url "https://siteadresiniz.example/Files/Controllers/ControllersAll.php?main=Settings&container=GeneralSettingsUpdateController" \
  --header "X-API-Key: $ZONELY_API_KEY" \
  --form 'css=ALAN_DEGERI' \
  --form 'image=@DOSYA_YOLU' \
  --form 'lightimage=@DOSYA_YOLU' \
  --form 'header=@DOSYA_YOLU' \
  --form 'title=ALAN_DEGERI' \
  --form 'icon=ALAN_DEGERI' \
  --form 'menu_type=ALAN_DEGERI' \
  --form 'modal_type=ALAN_DEGERI' \
  --form 'modal_text=ALAN_DEGERI' \
  --form 'link=ALAN_DEGERI' \
  --form 'target=ALAN_DEGERI' \
  --form 'description=ALAN_DEGERI' \
  --form 'parent_id=ALAN_DEGERI' \
  --form 'button_title=ALAN_DEGERI'

const form = new FormData();
form.append('css', '<string>');
form.append('image', '<string>');
form.append('lightimage', '<string>');
form.append('header', '<string>');
form.append('title', '<string>');
form.append('icon', '<string>');
form.append('menu_type', '<string>');
form.append('modal_type', '<string>');
form.append('modal_text', '<string>');
form.append('link', '<string>');
form.append('target', '<string>');
form.append('description', '<string>');
form.append('parent_id', '<string>');
form.append('button_title', '<string>');
form.append('button_url', '<string>');
form.append('button_color', '<string>');
form.append('id', '<string>');
form.append('rgb', '<string>');
form.append('icon2', '<string>');
form.append('menu_type2', '<string>');
form.append('modal_type2', '<string>');
form.append('siteName', '<string>');
form.append('slogan', '<string>');
form.append('serverAdress', '<string>');
form.append('desc', '<string>');
form.append('tags', '<string>');
form.append('facebook', '<string>');
form.append('twitter', '<string>');
form.append('instagram', '<string>');
form.append('youtube', '<string>');
form.append('discord', '<string>');
form.append('mail', '<string>');
form.append('phone', '<string>');
form.append('whatsapp', '<string>');
form.append('adress1', '<string>');
form.append('pagetitle', '<string>');
form.append('pagesubtitle', '<string>');
form.append('cropped_png', '<string>');
form.append('logo', '<string>');
form.append('favicon', '<string>');
form.append('action', '<string>');
form.append('reset', '<string>');

const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};

options.body = form;

fetch('https://siteadresiniz.example/Files/Controllers/ControllersAll.php', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));