diff --git a/android/app/src/main/java/com/example/petstoremobile/api/AdoptionApi.java b/android/app/src/main/java/com/example/petstoremobile/api/AdoptionApi.java
index ec397909..6e1de73d 100644
--- a/android/app/src/main/java/com/example/petstoremobile/api/AdoptionApi.java
+++ b/android/app/src/main/java/com/example/petstoremobile/api/AdoptionApi.java
@@ -24,7 +24,8 @@ public interface AdoptionApi {
             @Query("status") String status,
             @Query("storeId") Long storeId,
             @Query("date") String date,
-            @Query("employeeId") Long employeeId);
+            @Query("employeeId") Long employeeId,
+            @Query("sort") String sort);
 
     @GET("api/v1/adoptions/{id}")
     Call<AdoptionDTO> getAdoptionById(@Path("id") Long id);
diff --git a/android/app/src/main/java/com/example/petstoremobile/api/AppointmentApi.java b/android/app/src/main/java/com/example/petstoremobile/api/AppointmentApi.java
index 5b8a37a7..5bc88643 100644
--- a/android/app/src/main/java/com/example/petstoremobile/api/AppointmentApi.java
+++ b/android/app/src/main/java/com/example/petstoremobile/api/AppointmentApi.java
@@ -24,7 +24,8 @@ public interface AppointmentApi {
             @Query("status") String status,
             @Query("storeId") Long storeId,
             @Query("date") String date,
-            @Query("employeeId") Long employeeId);
+            @Query("employeeId") Long employeeId,
+            @Query("sort") String sort);
 
     @GET("api/v1/appointments/{id}")
     Call<AppointmentDTO> getAppointmentById(@Path("id") Long id);
diff --git a/android/app/src/main/java/com/example/petstoremobile/repositories/AdoptionRepository.java b/android/app/src/main/java/com/example/petstoremobile/repositories/AdoptionRepository.java
index f09f85b4..8758357a 100644
--- a/android/app/src/main/java/com/example/petstoremobile/repositories/AdoptionRepository.java
+++ b/android/app/src/main/java/com/example/petstoremobile/repositories/AdoptionRepository.java
@@ -24,8 +24,8 @@ public class AdoptionRepository extends BaseRepository {
     /**
      * Retrieves a paginated list of all adoptions from the API.
      */
-    public LiveData<Resource<PageResponse<AdoptionDTO>>> getAllAdoptions(int page, int size, String query, String status, Long storeId, String date, Long employeeId) {
-        return executeCall(adoptionApi.getAllAdoptions(page, size, query, status, storeId, date, employeeId));
+    public LiveData<Resource<PageResponse<AdoptionDTO>>> getAllAdoptions(int page, int size, String query, String status, Long storeId, String date, Long employeeId, String sort) {
+        return executeCall(adoptionApi.getAllAdoptions(page, size, query, status, storeId, date, employeeId, sort));
     }
 
     /**
diff --git a/android/app/src/main/java/com/example/petstoremobile/repositories/AppointmentRepository.java b/android/app/src/main/java/com/example/petstoremobile/repositories/AppointmentRepository.java
index 85083a25..6c2c4cf8 100644
--- a/android/app/src/main/java/com/example/petstoremobile/repositories/AppointmentRepository.java
+++ b/android/app/src/main/java/com/example/petstoremobile/repositories/AppointmentRepository.java
@@ -24,8 +24,8 @@ public class AppointmentRepository extends BaseRepository {
     /**
      * Retrieves a paginated list of all appointments from the API with filtering.
      */
-    public LiveData<Resource<PageResponse<AppointmentDTO>>> getAllAppointments(int page, int size, String query, String status, Long storeId, String date, Long employeeId) {
-        return executeCall(appointmentApi.getAllAppointments(page, size, query, status, storeId, date, employeeId));
+    public LiveData<Resource<PageResponse<AppointmentDTO>>> getAllAppointments(int page, int size, String query, String status, Long storeId, String date, Long employeeId, String sort) {
+        return executeCall(appointmentApi.getAllAppointments(page, size, query, status, storeId, date, employeeId, sort));
     }
 
     /**
diff --git a/android/app/src/main/java/com/example/petstoremobile/viewmodels/AdoptionListViewModel.java b/android/app/src/main/java/com/example/petstoremobile/viewmodels/AdoptionListViewModel.java
index d008e5a4..ec3ecfab 100644
--- a/android/app/src/main/java/com/example/petstoremobile/viewmodels/AdoptionListViewModel.java
+++ b/android/app/src/main/java/com/example/petstoremobile/viewmodels/AdoptionListViewModel.java
@@ -55,7 +55,7 @@ public class AdoptionListViewModel extends ViewModel {
         if ("All Statuses".equals(status)) status = null;
 
         isLoading.setValue(true);
-        observeOnce(adoptionRepository.getAllAdoptions(currentPage, PAGE_SIZE, query, status, storeId, date, employeeId), resource -> {
+        observeOnce(adoptionRepository.getAllAdoptions(currentPage, PAGE_SIZE, query, status, storeId, date, employeeId, "adoptionId,desc"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
                     List<AdoptionDTO> currentList = reset ? new ArrayList<>() : new ArrayList<>(adoptions.getValue());
diff --git a/android/app/src/main/java/com/example/petstoremobile/viewmodels/AppointmentListViewModel.java b/android/app/src/main/java/com/example/petstoremobile/viewmodels/AppointmentListViewModel.java
index 31020d12..88997684 100644
--- a/android/app/src/main/java/com/example/petstoremobile/viewmodels/AppointmentListViewModel.java
+++ b/android/app/src/main/java/com/example/petstoremobile/viewmodels/AppointmentListViewModel.java
@@ -41,7 +41,7 @@ public class AppointmentListViewModel extends ViewModel {
 
     public void loadAppointments(String query, String status, Long storeId, String date, Long employeeId) {
         isLoading.setValue(true);
-        observeOnce(appointmentRepository.getAllAppointments(0, 500, query, status, storeId, date, employeeId), resource -> {
+        observeOnce(appointmentRepository.getAllAppointments(0, 500, query, status, storeId, date, employeeId, "appointmentId,desc"), resource -> {
             if (resource != null) {
                 if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
                     appointments.setValue(resource.data.getContent());