My guess is that something in our API changed slightly vs the code examples I shared. If you’d like to try to reverse engineer things - you need to do essentially what our UI does, and this article describes how to discover the new call(s) you’ll need, in case something has changed: [Support Guide] Understanding and using Netlify's API
If you aren’t interested in that, we’d need to know more details to actually help you, which we’ll be happy to do 
What does “doesn’t work” look like in more detail, please? Happy to help you get things sorted, but you’ll want to follow our guide on asking good questions to help us understand what you are seeing: Asking great questions to get great answers