curl --request POST \
  --url "https://siteadresiniz.example/Files/Controllers/ControllersAll.php?main=broadcasts&container=broadcastsUpdateController" \
  --header "X-API-Key: $ZONELY_API_KEY" \
  --form 'id=ALAN_DEGERI' \
  --form 'title=ALAN_DEGERI' \
  --form 'content=ALAN_DEGERI' \
  --form 'tags=ALAN_DEGERI' \
  --form 'category_id=ALAN_DEGERI' \
  --form 'commentscheck=ALAN_DEGERI' \
  --form 'date_timeout=ALAN_DEGERI' \
  --form 'image=@DOSYA_YOLU'

const form = new FormData();
form.append('id', '12');
form.append('title', 'Yeni sezon — güncellendi');
form.append('content', '<p>Yeni bilgiler burada.</p>');
form.append('updatebroadcasts', 'OTURUM_FORMUNUN_CSRF_DEGERI');
form.append('image', '{
  "fileName": "example-file"
}');

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

options.body = form;

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

{}