diff --git a/core/kg/rpc/interfaces.go b/core/kg/rpc/interfaces.go
new file mode 100644
index 0000000..0cd072a
--- /dev/null
+++ b/core/kg/rpc/interfaces.go
@@ -0,0 +1,7 @@
+package rpc
+
+import "github.com/giolekva/pcloud/core/kg/model"
+
+type appIface interface {
+	GetUser(userID string) (*model.User, error)
+}
diff --git a/core/kg/rpc/user_service.go b/core/kg/rpc/user_service.go
index b5ac194..c0ddd21 100644
--- a/core/kg/rpc/user_service.go
+++ b/core/kg/rpc/user_service.go
@@ -3,17 +3,18 @@
 import (
 	"context"
 
-	"github.com/giolekva/pcloud/core/kg/app"
 	"github.com/giolekva/pcloud/core/kg/model/proto"
+	"github.com/pkg/errors"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 type userService struct {
 	proto.UnimplementedUserServiceServer
-	app *app.App
+	app appIface
 }
 
 // NewService returns new user service
-func NewService(app *app.App) proto.UserServiceServer {
+func NewService(app appIface) proto.UserServiceServer {
 	s := &userService{
 		app: app,
 	}
@@ -21,13 +22,26 @@
 	return s
 }
 
-func (us *userService) GetUser(context.Context, *proto.GetUserRequest) (*proto.User, error) {
-	// us.app.getUser...
-	return nil, nil
+func (us *userService) GetUser(c context.Context, r *proto.GetUserRequest) (*proto.GetUserResponse, error) {
+	user, err := us.app.GetUser(r.GetId())
+	if err != nil {
+		return nil, errors.Wrap(err, "can't get user from application")
+	}
+	return &proto.GetUserResponse{
+		User: &proto.User{
+			Id:                 &user.ID,
+			CreateAt:           &timestamppb.Timestamp{Seconds: user.CreateAt},
+			UpdateAt:           &timestamppb.Timestamp{Seconds: user.UpdateAt},
+			DeleteAt:           &timestamppb.Timestamp{Seconds: user.DeleteAt},
+			Username:           user.Username,
+			Password:           user.Password,
+			LastPasswordUpdate: &timestamppb.Timestamp{Seconds: user.LastPasswordUpdate},
+		},
+	}, nil
 }
 func (us *userService) ListUsers(context.Context, *proto.ListUserRequest) (*proto.ListUserResponse, error) {
 	return nil, nil
 }
-func (us *userService) CreateUser(context.Context, *proto.CreateUserRequest) (*proto.User, error) {
+func (us *userService) CreateUser(context.Context, *proto.CreateUserRequest) (*proto.CreateUserResponse, error) {
 	return nil, nil
 }
diff --git a/core/kg/rpc/user_service_test.go b/core/kg/rpc/user_service_test.go
new file mode 100644
index 0000000..ec53f89
--- /dev/null
+++ b/core/kg/rpc/user_service_test.go
@@ -0,0 +1,32 @@
+package rpc_test
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/giolekva/pcloud/core/kg/model/proto"
+	"github.com/giolekva/pcloud/core/kg/server"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+)
+
+func TestUserService(t *testing.T) {
+	ts := server.Setup(t)
+	defer ts.ShutdownServers()
+	_, err := ts.App.GetUser("id")
+	assert.NotNil(t, err)
+
+	ctx := context.Background()
+	address := fmt.Sprintf("localhost:%d", ts.Config.GRPC.Port)
+	conn, err := grpc.Dial(address, grpc.WithInsecure())
+	if err != nil {
+		t.Fatalf("did not connect: %v", err)
+	}
+	defer conn.Close()
+
+	client := proto.NewUserServiceClient(conn)
+	request := &proto.GetUserRequest{Id: "id"}
+	_, err = client.GetUser(ctx, request)
+	assert.NotNil(t, err)
+}