diff --git a/geotrek/api/v2/serializers.py b/geotrek/api/v2/serializers.py
index 4bd164ae23..6e04942d47 100644
--- a/geotrek/api/v2/serializers.py
+++ b/geotrek/api/v2/serializers.py
@@ -360,6 +360,7 @@ class Meta:
 class HDViewPointSerializer(TimeStampedSerializer):
     geometry = geo_serializers.GeometryField(read_only=True, source="geom_transformed", precision=7)
     picture_tiles_url = serializers.SerializerMethodField()
+    annotations = serializers.SerializerMethodField()
     thumbnail_url = serializers.SerializerMethodField()
     metadata_url = serializers.SerializerMethodField()
     trek = serializers.SerializerMethodField()
@@ -397,6 +398,19 @@ def get_poi(self, obj):
             return {'uuid': related_obj.uuid, 'id': related_obj.id}
         return None
 
+    def get_annotations(self, obj):
+        annotations = obj.annotations
+        annotations_categories = obj.annotations_categories
+        for feature in annotations["features"]:
+            feat_id = feature["properties"]["annotationId"]
+            feat_type = feature["geometry"]["type"]
+            if feat_type == "Point" and str(feat_id) in annotations_categories.keys():
+                feature["properties"]['category'] = int(annotations_categories[str(feat_id)])
+            else:
+                feature["properties"]['category'] = None
+        return annotations
+
+
     class Meta(TimeStampedSerializer.Meta):
         model = common_models.HDViewPoint
         fields = TimeStampedSerializer.Meta.fields + (