diff --git a/app/Api/V1/Controllers/Models/Account/ShowController.php b/app/Api/V1/Controllers/Models/Account/ShowController.php
index cb0097062e..ab0e510911 100644
--- a/app/Api/V1/Controllers/Models/Account/ShowController.php
+++ b/app/Api/V1/Controllers/Models/Account/ShowController.php
@@ -70,48 +70,48 @@ class ShowController extends Controller
      */
     public function index(ShowRequest $request): JsonResponse
     {
-        $manager     = $this->getManager();
+        $manager = $this->getManager();
         [
-            'types' => $types,
-            'page' => $page,
-            'limit' => $limit,
+            'types'  => $types,
+            'page'   => $page,
+            'limit'  => $limit,
             'offset' => $offset,
-            'sort' => $sort,
-            'start' => $start,
-            'end' => $end,
-            'date' => $date,
-        ] = $request->attributes->all();
+            'sort'   => $sort,
+            'start'  => $start,
+            'end'    => $end,
+            'date'   => $date,
+        ]
+            = $request->attributes->all();
 
         // get list of accounts. Count it and split it.
         $this->repository->resetAccountOrder();
-        $collection  = $this->repository->getAccountsByType($types, $sort);
-        $count       = $collection->count();
+        $collection = $this->repository->getAccountsByType($types, $sort);
+        $count      = $collection->count();
 
         // continue sort:
         // TODO if the user sorts on DB dependent field there must be no slice before enrichment, only after.
         // TODO still need to figure out how to do this easily.
-        $accounts    = $collection->slice($offset, $limit);
+        $accounts = $collection->slice($offset, $limit);
 
         // enrich
         /** @var User $admin */
-        $admin       = auth()->user();
-        $enrichment  = new AccountEnrichment();
+        $admin      = auth()->user();
+        $enrichment = new AccountEnrichment();
         $enrichment->setSort($sort);
         $enrichment->setDate($date);
         $enrichment->setStart($start);
         $enrichment->setEnd($end);
         $enrichment->setUser($admin);
-        $accounts    = $enrichment->enrich($accounts);
+        $accounts = $enrichment->enrich($accounts);
 
         // make paginator:
-        $paginator   = new LengthAwarePaginator($accounts, $count, $limit, $page);
-        $paginator->setPath(route('api.v1.accounts.index').$this->buildParams());
+        $paginator = new LengthAwarePaginator($accounts, $count, $limit, $page);
+        $paginator->setPath(route('api.v1.accounts.index') . $this->buildParams());
 
         /** @var AccountTransformer $transformer */
         $transformer = app(AccountTransformer::class);
-        $transformer->setParameters($this->parameters);
 
-        $resource    = new FractalCollection($accounts, $transformer, self::RESOURCE_KEY);
+        $resource = new FractalCollection($accounts, $transformer, self::RESOURCE_KEY);
         $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));
 
         return response()->json($manager->createData($resource)->toArray())->header('Content-Type', self::CONTENT_TYPE);
@@ -128,27 +128,22 @@ class ShowController extends Controller
         // get list of accounts. Count it and split it.
         $this->repository->resetAccountOrder();
         $account->refresh();
-        $manager     = $this->getManager();
-        [
-            'start' => $start,
-            'end' => $end,
-            'date' => $date,
-        ]            = $request->attributes->all();
+        $manager = $this->getManager();
+        [$start, $end, $date,] = $request->attributes->all();
 
         // enrich
         /** @var User $admin */
-        $admin       = auth()->user();
-        $enrichment  = new AccountEnrichment();
+        $admin      = auth()->user();
+        $enrichment = new AccountEnrichment();
         $enrichment->setDate($date);
         $enrichment->setStart($start);
         $enrichment->setEnd($end);
         $enrichment->setUser($admin);
-        $account     = $enrichment->enrichSingle($account);
+        $account = $enrichment->enrichSingle($account);
 
 
         /** @var AccountTransformer $transformer */
         $transformer = app(AccountTransformer::class);
-        $transformer->setParameters($this->parameters);
         $resource    = new Item($account, $transformer, self::RESOURCE_KEY);
 
         return response()->json($manager->createData($resource)->toArray())->header('Content-Type', self::CONTENT_TYPE);
diff --git a/app/Api/V1/Controllers/Models/UserGroup/IndexController.php b/app/Api/V1/Controllers/Models/UserGroup/IndexController.php
index 8c4ba0ddbb..cda1faa21a 100644
--- a/app/Api/V1/Controllers/Models/UserGroup/IndexController.php
+++ b/app/Api/V1/Controllers/Models/UserGroup/IndexController.php
@@ -65,8 +65,6 @@ class IndexController extends Controller
         $paginator       = new LengthAwarePaginator($administrations, $count, $limit, $page);
         $transformer     = new UserGroupTransformer();
 
-        $transformer->setParameters($request->attributes); // give params to transformer
-
         return response()
             ->json($this->jsonApiList(self::RESOURCE_KEY, $paginator, $transformer))
             ->header('Content-Type', self::CONTENT_TYPE)
diff --git a/app/Api/V1/Requests/AggregateFormRequest.php b/app/Api/V1/Requests/AggregateFormRequest.php
index 207ce0640d..9e9fbf7e92 100644
--- a/app/Api/V1/Requests/AggregateFormRequest.php
+++ b/app/Api/V1/Requests/AggregateFormRequest.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright (c) 2021 james@firefly-iii.org
+ * Copyright (c) 2025 https://github.com/ctrl-f5
  *
  * This file is part of Firefly III (https://github.com/firefly-iii).
  *
diff --git a/app/Api/V1/Requests/ApiRequest.php b/app/Api/V1/Requests/ApiRequest.php
index cb9a7b6046..e5ee028d8d 100644
--- a/app/Api/V1/Requests/ApiRequest.php
+++ b/app/Api/V1/Requests/ApiRequest.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright (c) 2021 james@firefly-iii.org
+ * Copyright (c) 2025 https://github.com/ctrl-f5
  *
  * This file is part of Firefly III (https://github.com/firefly-iii).
  *
diff --git a/app/Api/V1/Requests/DateRangeRequest.php b/app/Api/V1/Requests/DateRangeRequest.php
index c4e2dc87ec..a5c2a22443 100644
--- a/app/Api/V1/Requests/DateRangeRequest.php
+++ b/app/Api/V1/Requests/DateRangeRequest.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright (c) 2021 james@firefly-iii.org
+ * Copyright (c) 2025 https://github.com/ctrl-f5
  *
  * This file is part of Firefly III (https://github.com/firefly-iii).
  *
@@ -27,14 +27,15 @@ use FireflyIII\Exceptions\ValidationException;
 use FireflyIII\Support\Request\ChecksLogin;
 use FireflyIII\Support\Request\ConvertsDataTypes;
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Validator;
 
 class DateRangeRequest extends ApiRequest
 {
     public function rules(): array
     {
         return [
-            'start' => 'date|after:1970-01-02|before:2038-01-17|before:end|required_with:end|' . $this->required,
-            'end'   => 'date|after:1970-01-02|before:2038-01-17|after:start|required_with:start|' . $this->required,
+            'start' => sprintf('date|after:1970-01-02|before:2038-01-17|before:end|required_with:end|' , $this->required),
+            'end'   => sprintf('date|after:1970-01-02|before:2038-01-17|after:start|required_with:start|' , $this->required),
         ];
     }
 
diff --git a/app/Api/V1/Requests/DateRequest.php b/app/Api/V1/Requests/DateRequest.php
index c59dd65b13..5a87fb3086 100644
--- a/app/Api/V1/Requests/DateRequest.php
+++ b/app/Api/V1/Requests/DateRequest.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright (c) 2021 james@firefly-iii.org
+ * Copyright (c) 2025 https://github.com/ctrl-f5
  *
  * This file is part of Firefly III (https://github.com/firefly-iii).
  *
diff --git a/app/Api/V1/Requests/Models/Account/AccountTypeApiRequest.php b/app/Api/V1/Requests/Models/Account/AccountTypeApiRequest.php
index 10576e5717..fb2348017a 100644
--- a/app/Api/V1/Requests/Models/Account/AccountTypeApiRequest.php
+++ b/app/Api/V1/Requests/Models/Account/AccountTypeApiRequest.php
@@ -2,8 +2,8 @@
 
 declare(strict_types=1);
 /*
- * ShowRequest.php
- * Copyright (c) 2025 james@firefly-iii.org
+ * AccountTypeApiRequest.php
+ * Copyright (c) 2025 https://github.com/ctrl-f5
  *
  * This file is part of Firefly III (https://github.com/firefly-iii).
  *
diff --git a/app/Api/V1/Requests/PaginationRequest.php b/app/Api/V1/Requests/PaginationRequest.php
index 0dc9719929..cf88f238e7 100644
--- a/app/Api/V1/Requests/PaginationRequest.php
+++ b/app/Api/V1/Requests/PaginationRequest.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright (c) 2021 james@firefly-iii.org
+ * Copyright (c) 2025 https://github.com/ctrl-f5
  *
  * This file is part of Firefly III (https://github.com/firefly-iii).
  *
diff --git a/app/Transformers/AbstractTransformer.php b/app/Transformers/AbstractTransformer.php
index 054173dd0f..d741ba0cf7 100644
--- a/app/Transformers/AbstractTransformer.php
+++ b/app/Transformers/AbstractTransformer.php
@@ -34,11 +34,17 @@ abstract class AbstractTransformer extends TransformerAbstract
 {
     protected ParameterBag $parameters;
 
+    /**
+     * @deprecated
+     */
     final public function getParameters(): ParameterBag
     {
         return $this->parameters;
     }
 
+    /**
+     * @deprecated
+     */
     final public function setParameters(ParameterBag $parameters): void
     {
         $this->parameters = $parameters;
diff --git a/app/Transformers/AccountTransformer.php b/app/Transformers/AccountTransformer.php
index c9e5d3aeee..5538e745e7 100644
--- a/app/Transformers/AccountTransformer.php
+++ b/app/Transformers/AccountTransformer.php
@@ -30,7 +30,6 @@ use FireflyIII\Models\Account;
 use FireflyIII\Models\TransactionCurrency;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Support\Facades\Amount;
-use Symfony\Component\HttpFoundation\ParameterBag;
 
 /**
  * Class AccountTransformer
@@ -46,7 +45,6 @@ class AccountTransformer extends AbstractTransformer
      */
     public function __construct()
     {
-        $this->parameters       = new ParameterBag();
         $this->repository       = app(AccountRepositoryInterface::class);
         $this->convertToPrimary = Amount::convertToPrimary();
         $this->primary          = Amount::getPrimaryCurrency();