HELP ME ! Web http post thunkable vs app inventor

I am a bit confuse using Thunkable because I used to use APP Inventor.
it seems that it is a bit different if i want to use HTTP POST.

I need your help guys to convert my blocks from APP Inventor below in Thunkable

I am trying to make a blocks in Thunkable based on my blocks in App Inventor, but it won’t work well.

Help me please

See scrWebApi and scrTinyPngApi in

apakah Anda sudah mengetahui masalah Anda?