diff --git a/inventory-app/api.py b/inventory-app/api.py
index 3f3f12b..cde846a 100644
--- a/inventory-app/api.py
+++ b/inventory-app/api.py
@@ -22,13 +22,13 @@ def view_users():
     print(resp)
     return jsonify(resp)
 
-@page_api.route("/cards")
+@page_api.route("/cards", methods=["POST"])
 def get_group_cards():
-    group = request.args.get("group", False)
-    if not group:
-        return "must specify group in parameter", 400
-    print(group)
-    gu = list(filter(lambda u: any(g["name"] == group for g in u["status"]["groups"]), get_users()))
+    groups = request.json.get("groups", False)
+    if not groups:
+        return "must specify groups in parameter", 400
+    print(groups)
+    gu = list(filter(lambda u: any(g["name"] in groups for g in u["status"]["groups"]), get_users()))
     keys = list(map(lambda u: u["metadata"]["name"], gu))
     print(keys)
     flt = {