diff --git a/apps/projects/api/serializers.py b/apps/projects/api/serializers.py
index 829fd0f..d718b3b 100644
--- a/apps/projects/api/serializers.py
+++ b/apps/projects/api/serializers.py
@@ -24,6 +24,16 @@ class ProjectSerializer(BaseModelSerializer):
         )
         read_only_fields = fields
 
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+        
+        if instance.client:
+            representation['client'] = {
+                'id': instance.client.id,
+                'name': instance.client.name
+            }
+            
+        return representation
 
 class ProjectCreateSerializer(serializers.Serializer):
     """
@@ -31,9 +41,9 @@ class ProjectCreateSerializer(serializers.Serializer):
     We use a standard Serializer here to decouple validation from the model,
     keeping business logic in the service layer.
     """
-    workspace_id = serializers.UUIDField()
+    workspace = serializers.UUIDField()
     name = serializers.CharField(max_length=255)
-    client_id = serializers.UUIDField(required=False, allow_null=True)
+    client = serializers.UUIDField(required=False, allow_null=True)
     description = serializers.CharField(required=False, allow_blank=True, default="")
     color = serializers.CharField(max_length=7, required=False, allow_blank=True, default="")
 
@@ -43,7 +53,7 @@ class ProjectUpdateSerializer(serializers.Serializer):
     Serializer for validating input data during project updates.
     """
     name = serializers.CharField(max_length=255, required=False)
-    client_id = serializers.UUIDField(required=False, allow_null=True)
+    clien = serializers.UUIDField(required=False, allow_null=True)
     description = serializers.CharField(required=False, allow_blank=True)
     color = serializers.CharField(max_length=7, required=False, allow_blank=True)
     is_archived = serializers.BooleanField(required=False)
diff --git a/apps/projects/api/views.py b/apps/projects/api/views.py
index 5486873..8194518 100644
--- a/apps/projects/api/views.py
+++ b/apps/projects/api/views.py
@@ -11,6 +11,8 @@ from django_filters.rest_framework import DjangoFilterBackend
 
 from core.paginations.limit_offset import CustomLimitOffsetPagination
 
+from apps.workspaces.models import Workspace
+from apps.clients.models import Client
 from apps.projects.models import (
     Project, 
     ProjectMembership, 
@@ -94,11 +96,13 @@ class ProjectViewSet(ModelViewSet):
         serializer = self.get_serializer(data=request.data)
         serializer.is_valid(raise_exception=True)
         
+        workspace = get_object_or_404(Workspace, id=serializer.validated_data["workspace"], is_deleted=False)
+        client = get_object_or_404(Client, id=serializer.validated_data.get("client"), is_deleted=False)
         project = create_project(
             user=request.user,
-            workspace_id=serializer.validated_data["workspace_id"],
+            workspace=workspace,
             name=serializer.validated_data["name"],
-            client_id=serializer.validated_data.get("client_id"),
+            client=client,
             description=serializer.validated_data.get("description", ""),
             color=serializer.validated_data.get("color", "")
         )