Ionic + Angular POST request return state 404

Question

I just updated on the new version on the Angular + Ionic and method for processing remote request stopped working and returns always 404 response.

Request is

Answer 1

I also had this problem and searched a lot then finally... i removed the whitelist plugin:

cordova plugin remove cordova-plugin-whitelist

then renstalled it

cordova plugin add cordova-plugin-whitelist

It helped me and hope it solve your problem