api.java

public interface api{
@GET("{movie}/{list}") 
Observable<GenerosResponse> getAllGeneros(
                                       @Path("movie")String movie,
                                       @Path("list")String list,
                                       @Query("api_key")String key);
@GET("{number}/{movies}")    
Observable<ResponseMovies> getAllMovies(
                                   @Path("number")int number,
                                   @Path("movies")String movies,
                                   @Query("api_key")String key, 
                                   @Query("sort_by")String sort_by);
}