diff --git a/lib/Pear/LocalLoop/Controller/Api/Transactions.pm b/lib/Pear/LocalLoop/Controller/Api/Transactions.pm
index 9273c2d..8f4f2d0 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Transactions.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Transactions.pm
@@ -45,12 +45,13 @@ sub post_transaction_list_purchases {
 
   my @recurring_transaction_list = (
     map {{
+      id => $_->id,
       seller => $_->seller->name,
       value => $_->value / 100000,
       start_time => $c->format_iso_datetime($_->start_time),
       last_updated => $c->format_iso_datetime($_->last_updated),
       essential => $_->essential,
-      category => $_->category->category->name,
+      category => ( defined $_->category ? $_->category->name : 'Uncategorised' ),
       recurring_period => $_->recurring_period,
     }} $recurring_transactions->all
   );
@@ -63,4 +64,16 @@ sub post_transaction_list_purchases {
   });
 }
 
+sub update_recurring {
+  my $c = shift;
+
+  my $user = $c->stash->{api_user};
+
+  my $validation = $c->validation;
+
+  $validation->input( $c->stash->{api_json} );
+  #TODO check that user matches seller on database before updating for that id
+
+}
+
 1;