diff --git a/backend/src/main/java/mx/uv/App.java b/backend/src/main/java/mx/uv/App.java
index 9b7504c..959f0fd 100644
--- a/backend/src/main/java/mx/uv/App.java
+++ b/backend/src/main/java/mx/uv/App.java
@@ -1,39 +1,39 @@
 package mx.uv;
+
 import static spark.Spark.*;
 
 import java.util.HashMap;
 
-import  com.google.gson.*;
+import com.google.gson.*;
 
 import mx.uv.Controller.DAO;
 import mx.uv.Model.*;
 
-public class App 
-{
+public class App {
     static Gson gson = new Gson();
     static HashMap<String, Alumno> usuarios = new HashMap<>();
-    public static void main( String[] args )
-    {
-        //fuente:https://gist.github.com/saeidzebardast/e375b7d17be3e0f4dddf
-        options("/*",(request,response)->{
-            String accessControlRequestHeaders=request.headers("Access-Control-Request-Headers");
-            if(accessControlRequestHeaders!=null){
-                response.header("Access-Control-Allow-Headers",accessControlRequestHeaders);
+
+    public static void main(String[] args) {
+        // fuente:https://gist.github.com/saeidzebardast/e375b7d17be3e0f4dddf
+        options("/*", (request, response) -> {
+            String accessControlRequestHeaders = request.headers("Access-Control-Request-Headers");
+            if (accessControlRequestHeaders != null) {
+                response.header("Access-Control-Allow-Headers", accessControlRequestHeaders);
+            }
+            String accessControlRequestMethod = request.headers("Access-Control-Request-Method");
+            if (accessControlRequestMethod != null) {
+                response.header("Access-Control-Allow-Methods", accessControlRequestMethod);
             }
-            String accessControlRequestMethod=request.headers("Access-Control-Request-Method");
-            if(accessControlRequestMethod!=null){
-                response.header("Access-Control-Allow-Methods",accessControlRequestMethod);
-                }
             return "OK";
         });
 
-        before((request,response)->response.header("Access-Control-Allow-Origin","*"));
+        before((request, response) -> response.header("Access-Control-Allow-Origin", "*"));
 
-        get("/todosLosAlumnos", (request, response) ->{
+        get("/todosLosAlumnos", (request, response) -> {
             response.type("application/json");
             return gson.toJson(DAO.dameAlumnos());
         });
-        post("/agregarAlumno", (request, response) ->{
+        post("/agregarAlumno", (request, response) -> {
             String payload = request.body();
             Alumno alumno = gson.fromJson(payload, Alumno.class);
 
@@ -44,7 +44,7 @@ public class App
             respuesta.addProperty("verificacion", msj.isVerificacion());
             return respuesta;
         });
-        put("/editarAlumno", (request, response) ->{
+        put("/editarAlumno", (request, response) -> {
             String payload = request.body();
             Alumno alumno = gson.fromJson(payload, Alumno.class);
             boolean verificado = DAO.editarAlumno(alumno);
@@ -52,7 +52,7 @@ public class App
             respuesta.addProperty("Editado", verificado);
             return respuesta;
         });
-        delete("/eliminarAlumno", (request, response) ->{
+        delete("/eliminarAlumno", (request, response) -> {
             String payload = request.body();
             Alumno alumno = gson.fromJson(payload, Alumno.class);
             boolean verificado = DAO.eliminarAlumno(alumno.getId());
@@ -61,14 +61,19 @@ public class App
             return respuesta;
         });
 
-        post("/alumnoIniciado", (request, response) ->{
+        get("/alumnoIniciado", (request, response) -> {
             response.type("application/json");
-            String payload = request.body();
-            Alumno alumno = gson.fromJson(payload, Alumno.class);
-            return gson.toJson(DAO.alumnoIniciado(alumno.getMatricula(),alumno.getContrasena()));
+            String contrasena = request.queryParams("contrasena");
+            String matricula = request.queryParams("matricula");
+            Alumno alumno = new Alumno(matricula, contrasena);
+            if (contrasena == null || matricula == null) {
+                response.status(400); // Bad request
+                return gson.toJson("Missing matricula or contrasena");
+            }
+            return gson.toJson(DAO.alumnoIniciado(alumno.getMatricula(), alumno.getContrasena()));
         });
 
-        post("/usuarioValido", (request, response) ->{
+        post("/usuarioValido", (request, response) -> {
             String payload = request.body();
             Alumno alumno = gson.fromJson(payload, Alumno.class);
             boolean verificado = DAO.validarAlumno(alumno);