diff --git a/lib/Pear/LocalLoop.pm b/lib/Pear/LocalLoop.pm
index 18e997b..a1763b4 100644
--- a/lib/Pear/LocalLoop.pm
+++ b/lib/Pear/LocalLoop.pm
@@ -74,16 +74,6 @@ sub startup {
     }
   });
 
-  $self->helper( datetime_formatter => sub {
-    my $c = shift;
-
-    return DateTime::Format::Strptime->new(
-      pattern => '%FT%T%z',
-      strict => 1,
-      on_error => 'undef',
-    );
-  });
-
   $self->helper( get_path_from_uuid => sub {
     my $c = shift;
     my $uuid = shift;
@@ -150,7 +140,6 @@ sub startup {
   $api->post('/search')->to('api-upload#post_search');
   $api->post('/user')->to('api-user#post_account');
   $api->post('/user/account')->to('api-user#post_account_update');
-  $api->post('/user/day')->to('api-user#post_day');
   $api->post('/user-history')->to('api-user#post_user_history');
   $api->post('/stats')->to('api-stats#post_index');
   $api->post('/stats/leaderboard')->to('api-stats#post_leaderboards');
diff --git a/lib/Pear/LocalLoop/Controller/Api/User.pm b/lib/Pear/LocalLoop/Controller/Api/User.pm
index dfe9bb3..0c0a2f3 100644
--- a/lib/Pear/LocalLoop/Controller/Api/User.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/User.pm
@@ -39,22 +39,6 @@ has error_messages => sub {
   };
 };
 
-sub post_day {
-  my $c = shift;
-
-  my $validation = $c->validation;
-
-  $validation->input( $c->stash->{api_json} );
-
-  $validation->optional('day')->is_iso_datetime;
-
-  return $c->api_validation_error if $validation->has_error;
-
-  $c->render( json => {
-    success => Mojo::JSON->true,
-  });
-}
-
 sub post_account {
   my $c = shift;
 
diff --git a/lib/Pear/LocalLoop/Controller/Api/V1/Organisation/Graphs.pm b/lib/Pear/LocalLoop/Controller/Api/V1/Organisation/Graphs.pm
index b414152..c0cdd51 100644
--- a/lib/Pear/LocalLoop/Controller/Api/V1/Organisation/Graphs.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/V1/Organisation/Graphs.pm
@@ -22,6 +22,7 @@ sub index {
     sales_last_30_days
     purchases_last_7_days
     purchases_last_30_days
+    customers_range
   / );
 
   return $c->api_validation_error if $validation->has_error;
@@ -43,6 +44,40 @@ sub index {
   return $c->$graph_sub;
 }
 
+sub graph_customers_range {
+  my $c = shift;
+
+  my $validation = $c->validation;
+  $validation->input( $c->stash->{api_json} );
+  $validation->required('start')->is_iso_date;
+  $validation->required('end')->is_iso_date;
+
+  return $c->api_validation_error if $validation->has_error;
+
+  my $entity = $c->stash->{api_user}->entity;
+
+  my $data = { labels => [], data => [] };
+  my $start = $c->parse_iso_date( $validation->param('start') );
+  my $end = $c->parse_iso_date( $validation->param('end') );
+
+  while ( $start <= $end ) {
+    my $next_end = $start->clone->add( days => 1 );
+    my $transactions = $entity->sales
+      ->search_between( $start, $next_end )
+      ->count;
+    push @{ $data->{ labels } }, $c->format_iso_date( $start );
+    push @{ $data->{ data } }, $transactions;
+    $start->add( days => 1 );
+  }
+
+  return $c->render(
+    json => {
+      success => Mojo::JSON->true,
+      graph => $data,
+    }
+  );
+}
+
 sub graph_customers_last_7_days {
   my $c = shift;
 
diff --git a/lib/Pear/LocalLoop/Plugin/Datetime.pm b/lib/Pear/LocalLoop/Plugin/Datetime.pm
index a94c292..8b7495a 100644
--- a/lib/Pear/LocalLoop/Plugin/Datetime.pm
+++ b/lib/Pear/LocalLoop/Plugin/Datetime.pm
@@ -7,34 +7,52 @@ sub register {
   my ( $plugin, $app, $conf ) = @_;
 
   $app->helper( iso_datetime_parser => sub {
-  return DateTime::Format::Strptime->new( pattern => '%Y-%m-%dT%H:%M:%S.%3N%z' );
-});
+    return DateTime::Format::Strptime->new( pattern => '%Y-%m-%dT%H:%M:%S.%3N%z' );
+  });
 
-$app->helper( parse_iso_datetime => sub {
-  my ( $c, $date_string ) = @_;
-  return $c->iso_datetime_parser->parse_datetime(
-    $date_string,
-  );
-});
+  $app->helper( iso_date_parser => sub {
+    return DateTime::Format::Strptime->new( pattern => '%Y-%m-%d' );
+  });
 
-$app->helper( format_iso_datetime => sub {
-  my ( $c, $datetime_obj ) = @_;
-  return $c->iso_datetime_parser->parse_datetime(
-    $datetime_obj,
-  );
-});
+  $app->helper( parse_iso_date => sub {
+    my ( $c, $date_string ) = @_;
+    return $c->iso_date_parser->parse_datetime(
+      $date_string,
+    );
+  });
 
-$app->helper( db_datetime_parser => sub {
-  return shift->schema->storage->datetime_parser;
-});
+  $app->helper( format_iso_date => sub {
+    my ( $c, $datetime_obj ) = @_;
+    return $c->iso_date_parser->format_datetime(
+      $datetime_obj,
+    );
+  });
 
-$app->helper( format_db_datetime => sub {
-  my ( $c, $datetime_obj ) = @_;
-  $datetime_obj->set_time_zone('UTC');
-  return $c->db_datetime_parser->format_datetime(
-    $datetime_obj,
-  );
-});
+  $app->helper( parse_iso_datetime => sub {
+    my ( $c, $date_string ) = @_;
+    return $c->iso_datetime_parser->parse_datetime(
+      $date_string,
+    );
+  });
+
+  $app->helper( format_iso_datetime => sub {
+    my ( $c, $datetime_obj ) = @_;
+    return $c->iso_datetime_parser->format_datetime(
+      $datetime_obj,
+    );
+  });
+
+  $app->helper( db_datetime_parser => sub {
+    return shift->schema->storage->datetime_parser;
+  });
+
+  $app->helper( format_db_datetime => sub {
+    my ( $c, $datetime_obj ) = @_;
+    $datetime_obj->set_time_zone('UTC');
+    return $c->db_datetime_parser->format_datetime(
+      $datetime_obj,
+    );
+  });
 
 }
 
diff --git a/lib/Pear/LocalLoop/Plugin/Validators.pm b/lib/Pear/LocalLoop/Plugin/Validators.pm
index 33aeca2..bab1863 100644
--- a/lib/Pear/LocalLoop/Plugin/Validators.pm
+++ b/lib/Pear/LocalLoop/Plugin/Validators.pm
@@ -53,9 +53,9 @@ sub register {
     return $app->types->type($extension) eq $filetype ? undef : 1;
   });
 
-  $app->validator->add_check( is_iso_datetime => sub {
+  $app->validator->add_check( is_iso_date => sub {
     my ( $validation, $name, $value ) = @_;
-    $value = $app->datetime_formatter->parse_datetime( $value );
+    $value = $app->iso_date_parser->parse_datetime( $value );
     return defined $value ? undef : 1;
   });
 
diff --git a/script/recalc_leaderboards b/script/recalc_leaderboards
old mode 100644
new mode 100755
diff --git a/t/api/user.t b/t/api/user.t
index a848e95..643165a 100644
--- a/t/api/user.t
+++ b/t/api/user.t
@@ -32,28 +32,6 @@ my $session_key = $framework->login({
   password => $password,
 });
 
-my $json_no_date = { session_key => $session_key };
-$t->post_ok('/api/user/day', json => $json_no_date)
-  ->status_is(200)->or($framework->dump_error)
-  ->json_is('/success', Mojo::JSON->true);
-
-my $json_invalid_date = {
-  session_key => $session_key,
-  day => 'invalid',
-};
-$t->post_ok('/api/user/day', json => $json_invalid_date)
-  ->status_is(400)->or($framework->dump_error)
-  ->json_is('/success', Mojo::JSON->false)
-  ->json_like('/message', qr/Invalid ISO8601 Datetime/);
-
-my $json_valid_date = {
-  session_key => $session_key,
-  day => $t->app->datetime_formatter->format_datetime(DateTime->now),
-};
-$t->post_ok('/api/user/day', json => $json_valid_date)
-  ->status_is(200)->or($framework->dump_error)
-  ->json_is('/success', Mojo::JSON->true);
-
 $t->post_ok('/api/user', json => { session_key => $session_key })
   ->status_is(200)->or($framework->dump_error)
   ->json_is({
diff --git a/t/api/v1/organisation/graphs.t b/t/api/v1/organisation/graphs.t
index 45531a6..d373aa1 100644
--- a/t/api/v1/organisation/graphs.t
+++ b/t/api/v1/organisation/graphs.t
@@ -78,6 +78,18 @@ $t->post_ok('/api/v1/organisation/graphs' => json => {
     data => [ 40, 20, 30, 30, 40, 10, 40, 30, 30, 20, 40, 20, 40, 20, 30, 30, 40, 10, 40, 30, 30, 20, 40, 20, 40, 20, 30, 30, 40, 10 ],
   });
 
+$t->post_ok('/api/v1/organisation/graphs' => json => {
+    session_key => $session_key,
+    graph => 'customers_range',
+    start => $start->clone->subtract( days => 8 )->ymd,
+    end => $start->clone->ymd,
+  })
+  ->status_is(200)->or($framework->dump_error)
+  ->json_is('/graph', {
+    labels => [ map { $start->clone->subtract( days => $_ )->ymd } reverse ( 0 .. 8 ) ],
+    data => [ 2, 4, 2, 4, 2, 3, 3, 4, 1 ],
+  });
+
 $framework->logout( $session_key );
 
 $session_key = $framework->login({