There is pretty much no solution for 5.3. The API just won’t work because of the IAP node rework.
Maybe it will be fixed in 5.4, but for now the only solution is to use 5.2 or a specific plug-in 
There is pretty much no solution for 5.3. The API just won’t work because of the IAP node rework.
Maybe it will be fixed in 5.4, but for now the only solution is to use 5.2 or a specific plug-in