diff --git a/app/Api/V1/Controllers/Insight/Expense/DateController.php b/app/Api/V1/Controllers/Insight/Expense/AccountController.php
similarity index 80%
rename from app/Api/V1/Controllers/Insight/Expense/DateController.php
rename to app/Api/V1/Controllers/Insight/Expense/AccountController.php
index 63706917ad..7ef58c2c57 100644
--- a/app/Api/V1/Controllers/Insight/Expense/DateController.php
+++ b/app/Api/V1/Controllers/Insight/Expense/AccountController.php
@@ -35,19 +35,39 @@ use FireflyIII\User;
 use Illuminate\Http\JsonResponse;
 
 /**
- * Class DateController
+ * TODO per object group?
+ * TODO transfers voor piggies?
+ * TODO currency?
+ * TODO net worth?
+ *
+ * Class AccountController
  *
  * Shows expense information grouped or limited by date.
  * Ie. all expenses grouped by account + currency.
+ *
+ * /api/v1/insight/expenses/expense
+ *  Expenses grouped by expense account. Can be limited by date and by asset account.
+ * /api/v1/insight/expenses/asset
+ *  Expenses grouped by asset account. Can be limited by date and by asset account.
+ * /api/v1/insight/expenses/total
+ *  Expenses, total (no filter). Can be limited by date and by asset account.
+ * /api/v1/insight/expenses/budget
+ *  Expenses per budget or no budget. Can be limited by date and by asset account.
+ * /api/v1/insight/expenses/budget
+ *  Also per budget limit.
+ * /api/v1/insight/expenses/category
+ *  Expenses per category or no category. Can be limited by date and by asset account.
+ * /api/v1/insight/expenses/bill
+ *  Expenses per bill or no bill. Can be limited by date and by asset account.
+ *
  */
-class DateController extends Controller
+class AccountController extends Controller
 {
     use ApiSupport;
 
     private CurrencyRepositoryInterface $currencyRepository;
     private AccountRepositoryInterface  $repository;
 
-
     /**
      * AccountController constructor.
      *
@@ -72,11 +92,12 @@ class DateController extends Controller
     }
 
     /**
+     * @param DateRequest $request
      *
+     * @return JsonResponse
      */
-    public function basic(DateRequest $request): JsonResponse
+    public function expense(DateRequest $request): JsonResponse
     {
-        // parameters for chart:
         $dates = $request->getAll();
         /** @var Carbon $start */
         $start = $dates['start'];
@@ -87,7 +108,6 @@ class DateController extends Controller
 
         // prep some vars:
         $currencies = [];
-        $chartData  = [];
         $tempData   = [];
 
         // grab all accounts and names
diff --git a/routes/api.php b/routes/api.php
index f967d38419..4b0eb37a8b 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -77,9 +77,51 @@ Route::group(
     }
 );
 
+/**
+ * DATA CONTROLLERS
+ *
+ */
 
+// EXPORT TODO
+Route::group(
+    ['namespace' => 'FireflyIII\Api\V1\Controllers\Data\Export', 'prefix' => 'data/export',
+     'as'        => 'api.v1.data.export.',],
+    static function () {
+        Route::get('transactions', ['uses' => 'TransactionController@export', 'as' => 'transactions']);
+    }
+);
 
+/**
+ * INSIGHT CONTROLLERS
+ */
 
+// Insight in expenses:
+Route::group(
+    ['namespace' => 'FireflyIII\Api\V1\Controllers\Insight\Expense', 'prefix' => 'insight/expense',
+     'as'        => 'api.v1.insight.expense.',],
+    static function () {
+        // Insight in expenses.
+
+        //  grouped by expense account or asset account:
+        Route::get('expense', ['uses' => 'AccountController@expense', 'as' => 'expense']);
+        Route::get('asset',   ['uses' => 'AccountController@asset',   'as' => 'asset']);
+
+        // TODO total:
+        Route::get('total', ['uses' => 'PeriodController@total', 'as' => 'total']);
+
+        // TODO Budget/no budget and budget limit
+        Route::get('budget', ['uses' => 'BudgetController@budget', 'as' => 'budget']);
+        Route::get('no-budget', ['uses' => 'BudgetController@budget', 'as' => 'budget']);
+
+        // TODO category and no category
+
+        // TODO bill and no bill
+    }
+);
+
+//// Insight in income.
+//        // Insight in income by date.
+//        Route::get('income/date/basic', ['uses' => 'Income\DateController@basic', 'as' => 'income.date.basic']);
 
 
 
@@ -456,22 +498,6 @@ Route::group(
     }
 );
 
-// INSIGHT
-// TODO VERIFY API DOCS
-Route::group(
-    ['namespace' => 'FireflyIII\Api\V1\Controllers\Insight', 'prefix' => 'insight',
-     'as'        => 'api.v1.insight.',],
-    static function () {
-
-        // Insight in expenses.
-        // Insight in expenses by date.
-        Route::get('expense/date/basic', ['uses' => 'Expense\DateController@basic', 'as' => 'expense.date.basic']);
-
-        // Insight in income.
-        // Insight in income by date.
-        Route::get('income/date/basic', ['uses' => 'Income\DateController@basic', 'as' => 'income.date.basic']);
-    }
-);
 
 // TODO VERIFY API DOCS
 Route::group(