diff --git a/backend/api/filters.py b/backend/api/filters.py
index 77a009f..08b196e 100644
--- a/backend/api/filters.py
+++ b/backend/api/filters.py
@@ -6,7 +6,7 @@
 from taggit.models import Tag
 
 from content.models import City, Skills
-from projects.models import Category, Project
+from projects.models import Category, Project, ProjectIncomes
 
 
 class ProjectCategoryFilter(FilterSet):
@@ -69,12 +69,25 @@ class ProjectFilter(FilterSet):
     - /projects/?end_datetime=31.12.2023
     """
 
-    categories = django_filters.CharFilter(
-        field_name='categories', lookup_expr='exact'
+    categories = filters.ModelMultipleChoiceFilter(
+        queryset=Category.objects.all(),
+        field_name='categories',
+        to_field_name='id',
+        # conjoined=True
     )
-    skills = django_filters.CharFilter(
-        field_name='skills', lookup_expr='exact'
+
+    skills = filters.ModelMultipleChoiceFilter(
+        queryset=Skills.objects.all(),
+        field_name='skills',
+        to_field_name='id',
+        # conjoined=True,  # все указанные навыки должны быть одновременно в проекте
     )
+
+    # city = filters.ModelMultipleChoiceFilter(
+    #     queryset=City.objects.all(),
+    #     field_name='city__name', !!!!!!!! поиск указан по имени, исправить на id если надо.
+    #     to_field_name='name'
+    # )
     city = django_filters.CharFilter(field_name='city', lookup_expr='exact')
     start_datetime = django_filters.DateTimeFilter(
         field_name='start_datetime', lookup_expr='gte'
@@ -294,3 +307,17 @@ def filter_queryset(self, queryset):
     class Meta:
         model = Project
         fields = []
+
+
+class ProjectIncomesFilter(django_filters.FilterSet):
+    """
+    Фильтр заявок по id Проекта.
+
+    Пример фильтра /api/incomes/?project_id=1
+    """
+
+    project_id = django_filters.NumberFilter(field_name='project__id')
+
+    class Meta:
+        model = ProjectIncomes
+        fields = ['project_id']
diff --git a/backend/api/schemas.py b/backend/api/schemas.py
index 5cdabc3..7de62e6 100644
--- a/backend/api/schemas.py
+++ b/backend/api/schemas.py
@@ -34,3 +34,9 @@
                      'Пример запроса /projects/me/?is_favorited=true')
     ),
 ]
+
+project_incomes_filter_params = openapi.Parameter(
+        'project_id', openapi.IN_QUERY, type=openapi.TYPE_STRING,
+        description=('Фильтрует заявки по id проекта. '
+                     'Пример запроса /api/incomes/?project_id=1')
+    )
diff --git a/backend/api/serializers.py b/backend/api/serializers.py
index 01a14f5..d3038a6 100644
--- a/backend/api/serializers.py
+++ b/backend/api/serializers.py
@@ -612,7 +612,7 @@ class ProjectIncomesGetSerializer(serializers.ModelSerializer):
     """
 
     volunteer = VolunteerGetSerializer(read_only=True)
-    project = ProjectSerializer(read_only=True)
+    project = ProjectGetSerializer(read_only=True)
 
     class Meta:
         model = ProjectIncomes
diff --git a/backend/api/views.py b/backend/api/views.py
index ded409d..342718b 100644
--- a/backend/api/views.py
+++ b/backend/api/views.py
@@ -33,6 +33,7 @@
     CityFilter,
     ProjectCategoryFilter,
     ProjectFilter,
+    ProjectIncomesFilter,
     SkillsFilter,
     StatusProjectFilter,
     TagFilter,
@@ -469,6 +470,7 @@ class ProjectIncomesViewSet(
 
     queryset = ProjectIncomes.objects.all()
     permission_classes = [IsVolunteer]
+    filterset_class = ProjectIncomesFilter
 
     def get_queryset(self):
         user = self.request.user
@@ -575,6 +577,12 @@ def reject_incomes(self, request, pk):
         response_data = serializer.reject_incomes(instance)
         return Response(response_data, status=status.HTTP_200_OK)
 
+    @swagger_auto_schema(
+        manual_parameters=[schemas.project_incomes_filter_params]
+    )
+    def list(self, request, *args, **kwargs):
+        return super().list(request, *args, **kwargs)
+
 
 class ProjectMeViewSet(viewsets.GenericViewSet, mixins.ListModelMixin):
     """