Is it possible to enter the personal account of public services using REST requests?

Question

API

Hi everyone, the question is in the title.
It seems that there is some kind of documentation - smev.gosuslugi.ru/portal but it's not entirely clear how to work with this.
Maybe someone did something similar?

Answer 1

enter really
xs only whether REST will be used there

Answer 2

A quick look at their documentation says they use SOAP, not REST

Answer 3

https://github.com/xeltan/EsiaNET