diff --git a/pyflask/apis/neuroconv.py b/pyflask/apis/neuroconv.py
index 62028e365..abbb20fc4 100644
--- a/pyflask/apis/neuroconv.py
+++ b/pyflask/apis/neuroconv.py
@@ -68,7 +68,7 @@ def post(self):
 
 
 @neuroconv_api.route("/locate")
-class Locate(Resource):
+class LocateData(Resource):
     @neuroconv_api.doc(responses={200: "Success", 400: "Bad Request", 500: "Internal server error"})
     def post(self):
         try:
@@ -79,7 +79,7 @@ def post(self):
 
 
 @neuroconv_api.route("/locate/autocomplete")
-class Locate(Resource):
+class AutoCompleteFormatString(Resource):
     @neuroconv_api.doc(responses={200: "Success", 400: "Bad Request", 500: "Internal server error"})
     def post(self):
         try:
@@ -93,12 +93,13 @@ def post(self):
 class Metadata(Resource):
     @neuroconv_api.doc(responses={200: "Success", 400: "Bad Request", 500: "Internal server error"})
     def post(self):
-        # try:
-        return get_metadata_schema(neuroconv_api.payload.get("source_data"), neuroconv_api.payload.get("interfaces"))
-
-    # except Exception as exception:
-    #     if notBadRequestException(exception):
-    #         neuroconv_api.abort(500, str(exception))
+        try:
+            return get_metadata_schema(
+                neuroconv_api.payload.get("source_data"), neuroconv_api.payload.get("interfaces")
+            )
+        except Exception as exception:
+            if notBadRequestException(exception):
+                neuroconv_api.abort(500, str(exception))
 
 
 @neuroconv_api.route("/convert")
diff --git a/pyflask/manageNeuroconv/manage_neuroconv.py b/pyflask/manageNeuroconv/manage_neuroconv.py
index 8dadce731..ee137a943 100644
--- a/pyflask/manageNeuroconv/manage_neuroconv.py
+++ b/pyflask/manageNeuroconv/manage_neuroconv.py
@@ -134,6 +134,7 @@ def coerce_schema_compliance_recursive(obj, schema):
 
 def autocomplete_format_string(info: dict) -> str:
     from neuroconv.tools.path_expansion import construct_path_template
+    from neuroconv.utils.json_schema import NWBMetaDataEncoder
 
     base_directory = info["base_directory"]
     filesystem_entry_path = info["path"]
@@ -162,12 +163,13 @@ def autocomplete_format_string(info: dict) -> str:
 
     all_matched = locate_data(dict(autocomplete=to_locate_info))
 
-    return dict(matched=all_matched, format_string=format_string)
+    return json.loads(json.dumps(obj=dict(matched=all_matched, format_string=format_string), cls=NWBMetaDataEncoder))
 
 
 def locate_data(info: dict) -> dict:
     """Locate data from the specifies directories using fstrings."""
     from neuroconv.tools import LocalPathExpander
+    from neuroconv.utils.json_schema import NWBMetaDataEncoder
 
     expander = LocalPathExpander()
 
@@ -191,7 +193,7 @@ def locate_data(info: dict) -> dict:
 
         organized_output[subject_id][session_id] = item
 
-    return organized_output
+    return json.loads(json.dumps(obj=organized_output, cls=NWBMetaDataEncoder))
 
 
 def module_to_dict(my_module):