diff --git a/main.py b/main.py
index 432779b..003c12f 100644
--- a/main.py
+++ b/main.py
@@ -125,32 +125,32 @@ def address_search():
 
 @main.route('/plan_search')
 def plan_search():
-    plan_req: List[str] = request.args.get('plans', '').split(',')
-    if not plan_req or plan_req == ['']:
+    plan_req: Dict[str] = request.args.to_dict(flat=False)
+    if not plan_req or "plans" not in plan_req:
         return jsonify({"plans": []}), HTTPStatus.OK
-
-    try:
-        plans = (
-            db.session.query(Plans)
-            .filter(Plans.PlanIdentifier.in_(plan_req))
-            .all()
-        )
-
-        plan_list = [
-            {
-                "plan": plan.PlanIdentifier,
-                "planName": plan.Name,
-                "cost": plan.Cost,
-                "description": plan.Description,
-                "uploadSpeed": plan.UploadSpeed,
-                "downloadSpeed": plan.DownloadSpeed,
-                "wholesale": False
-            }
-            for plan in plans
-        ]
-
-        return jsonify({"plans": plan_list}), HTTPStatus.OK
-
-    except Exception as e:
-        db.session.rollback()
-        raise APIError(f"Error searching plans: {str(e)}", HTTPStatus.INTERNAL_SERVER_ERROR)
\ No newline at end of file
+    else:
+        try:
+            plans = (
+                db.session.query(Plans)
+                .filter(Plans.PlanIdentifier.in_(plan_req['plans']))
+                .all()
+            )
+
+            plan_list = [
+                {
+                    "plan": plan.PlanIdentifier,
+                    "planName": plan.Name,
+                    "cost": plan.Cost,
+                    "description": plan.Description,
+                    "uploadSpeed": plan.UploadSpeed,
+                    "downloadSpeed": plan.DownloadSpeed,
+                    "wholesale": False
+                }
+                for plan in plans
+            ]
+
+            return jsonify({"plans": plan_list}), HTTPStatus.OK
+
+        except Exception as e:
+            db.session.rollback()
+            raise APIError(f"Error searching plans: {str(e)}", HTTPStatus.INTERNAL_SERVER_ERROR)
\ No newline at end of file