diff --git a/src/app/api.service.spec.ts b/src/app/api.service.spec.ts
new file mode 100644
index 0000000..c0310ae
--- /dev/null
+++ b/src/app/api.service.spec.ts
@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { ApiService } from './api.service';
+
+describe('ApiService', () => {
+  let service: ApiService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(ApiService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/src/app/api.service.ts b/src/app/api.service.ts
new file mode 100644
index 0000000..32381eb
--- /dev/null
+++ b/src/app/api.service.ts
@@ -0,0 +1,33 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable, throwError } from 'rxjs';
+import { catchError, retry } from 'rxjs/operators';
+import { User } from './user';
+import { Discoteca } from './discoteca';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ApiService {
+
+  constructor(private http: HttpClient) {
+
+   }
+
+
+  validateUser(loginUser: string, loginPassword: string): boolean{
+      return (loginUser=='');
+  }
+
+  getUser (loginUser: string): void{
+
+  }
+
+  postNewUser(user: User): void{
+
+  }
+
+  postNewDiscoteca(discoteca: Discoteca): void{
+    
+  }
+}
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 9ba0407..287c89e 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -1,5 +1,6 @@
 import { NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
+import { HttpClientModule } from '@angular/common/http';
 import { RouteReuseStrategy } from '@angular/router';
 import { ReactiveFormsModule } from '@angular/forms';
 import { IonicModule, IonicRouteStrategy } from '@ionic/angular';
@@ -15,7 +16,7 @@ import { LoginPage } from './login/login.page';
 @NgModule({
   declarations: [AppComponent, PerfilDiscotecaPage, PromptEventoPage, LoginPage],
   entryComponents: [],
-  imports: [BrowserModule, IonicModule.forRoot(), AppRoutingModule, ReactiveFormsModule, GaleriamodalPageModule],
+  imports: [BrowserModule, HttpClientModule, IonicModule.forRoot(), AppRoutingModule, ReactiveFormsModule, GaleriamodalPageModule],
   providers: [
     StatusBar,
     SplashScreen,
diff --git a/src/app/discoteca.ts b/src/app/discoteca.ts
index 63143b7..4ba5387 100644
--- a/src/app/discoteca.ts
+++ b/src/app/discoteca.ts
@@ -8,6 +8,7 @@ export class Discoteca {
     private telefono: number;
     private localizacion: string;
     private eventos: Evento[];
+    private descripcion: string;
 
 
     setNombre(nombre: string): void{
@@ -37,4 +38,12 @@ export class Discoteca {
     getEventos(): Evento[]{
         return this.eventos;
     }
+
+    setDescripcion(desc: string): void{
+        this.descripcion = desc;
+    }
+
+    get Descripcion(): string{
+        return this.descripcion;
+    }
 }
diff --git a/src/app/login.service.ts b/src/app/login.service.ts
index 92c777e..2e1fcfe 100644
--- a/src/app/login.service.ts
+++ b/src/app/login.service.ts
@@ -1,9 +1,30 @@
 import { Injectable } from '@angular/core';
+import { ApiService } from './api.service';
+import { User } from './user';
 
 @Injectable({
   providedIn: 'root'
 })
 export class LoginService {
 
-  constructor() { }
+  private userId: number;
+  private sessionType: number; 
+  private loginUser: string;
+  private loginPassword: string; 
+
+  constructor(private apiService: ApiService) {
+
+  }
+
+  validateUser(loginUser: string, loginPassword: string): boolean{
+      return (loginUser=='');
+  }
+
+  getUser (loginUser: string): void{
+
+  }
+
+  postNewUser(user: User): void{
+
+  }
 }
diff --git a/src/app/user.ts b/src/app/user.ts
new file mode 100644
index 0000000..72434d2
--- /dev/null
+++ b/src/app/user.ts
@@ -0,0 +1,6 @@
+export interface User {
+  userId: number;
+  userType: number; 
+  loginUser: string;
+  loginPassword: string; 
+}