Received the following notification when tracking, maybe you need to update the app accordingly:
The current system you are using for parcel information will be discontinued on 15/07/2018.
Users are invited to use the Israel Post web site:
http://www.israelpost.co.il/itemtrace.nsf/mainsearch?OpenForm&L=EN
Developers using JSON could apply to our updated system (APIM) https://www.israelpost.co.il/postquestion.nsf/apim?openform&l=EN
