How to fix Expected BEGIN_OBJECT in Retrofit?

Question

In my application i want use Retrofit for get some data from server.
I write below codes but when run application and call api show me below error :

Answer 1

You need to add a gsonconverter factory before building your api service interface.

Retrofit retrofit = new Retrofit.Builder()
    .baseUrl(BASE_URL)
    .addConverterFactory(GsonConverterFactory.create())
    .build();

retrofit.create(apiservice.class)