diff --git a/src/spiffworkflow_backend/api.yml b/src/spiffworkflow_backend/api.yml
index 72f1ced6..76d821e1 100755
--- a/src/spiffworkflow_backend/api.yml
+++ b/src/spiffworkflow_backend/api.yml
@@ -439,6 +439,12 @@ paths:
         description: For filtering - not_started, user_input_required, waiting, complete, error, or suspended
         schema:
           type: string
+      - name: user_filter
+        in: query
+        required: false
+        description: For filtering - indicates the user has manually entered a query
+        schema:
+          type: boolean
     # process_instance_list
     get:
       operationId: spiffworkflow_backend.routes.process_api_blueprint.process_instance_list
diff --git a/src/spiffworkflow_backend/routes/process_api_blueprint.py b/src/spiffworkflow_backend/routes/process_api_blueprint.py
index d278b27e..d5d11094 100644
--- a/src/spiffworkflow_backend/routes/process_api_blueprint.py
+++ b/src/spiffworkflow_backend/routes/process_api_blueprint.py
@@ -74,6 +74,7 @@ from spiffworkflow_backend.services.process_instance_processor import (
 )
 from spiffworkflow_backend.services.process_instance_report_service import (
     ProcessInstanceReportService,
+    ProcessInstanceReportFilter,
 )
 from spiffworkflow_backend.services.process_instance_service import (
     ProcessInstanceService,
@@ -732,18 +733,32 @@ def process_instance_list(
     end_from: Optional[int] = None,
     end_to: Optional[int] = None,
     process_status: Optional[str] = None,
+    user_filter: Optional[bool] = False,
 ) -> flask.wrappers.Response:
     """Process_instance_list."""
     process_instance_report = ProcessInstanceReportModel.default_report(g.user)
-    report_filter = ProcessInstanceReportService.filter_from_metadata_with_overrides(
-        process_instance_report,
-        process_model_identifier,
-        start_from,
-        start_to,
-        end_from,
-        end_to,
-        process_status,
-    )
+
+    print(f"user_filter: {user_filter}")
+
+    if user_filter:
+        report_filter = ProcessInstanceReportFilter(
+            process_model_identifier,
+            start_from,
+            start_to,
+            end_from,
+            end_to,
+            process_status,
+        )
+    else:
+        report_filter = ProcessInstanceReportService.filter_from_metadata_with_overrides(
+            process_instance_report,
+            process_model_identifier,
+            start_from,
+            start_to,
+            end_from,
+            end_to,
+            process_status,
+        )
 
     # process_model_identifier = un_modify_modified_process_model_id(modified_process_model_identifier)
     process_instance_query = ProcessInstanceModel.query