diff --git a/app/Dto/AnimeReviewsLookupCommand.php b/app/Dto/AnimeReviewsLookupCommand.php
index cd290e5..d263fb8 100644
--- a/app/Dto/AnimeReviewsLookupCommand.php
+++ b/app/Dto/AnimeReviewsLookupCommand.php
@@ -4,6 +4,8 @@ namespace App\Dto;
 
 use App\Casts\ContextualBooleanCast;
 use App\Casts\EnumCast;
+use App\Dto\Concerns\HasPreliminaryParameter;
+use App\Dto\Concerns\HasSpoilersParameter;
 use App\Dto\Concerns\PreparesData;
 use App\Enums\MediaReviewsSortEnum;
 use App\Rules\Attributes\EnumValidation;
@@ -14,22 +16,17 @@ use Spatie\LaravelData\Attributes\Validation\Numeric;
 use Spatie\LaravelData\Attributes\WithCast;
 use Spatie\LaravelData\Optional;
 
+
 /**
  * @extends LookupDataCommand<JsonResponse>
  */
 final class AnimeReviewsLookupCommand extends LookupDataCommand
 {
-    use PreparesData;
+    use PreparesData, HasPreliminaryParameter, HasSpoilersParameter;
 
     #[Numeric, Min(1)]
     public int|Optional $page = 1;
 
     #[WithCast(EnumCast::class, MediaReviewsSortEnum::class), EnumValidation(MediaReviewsSortEnum::class)]
     public MediaReviewsSortEnum|Optional $sort;
-
-    #[BooleanType, WithCast(ContextualBooleanCast::class)]
-    public bool|Optional $spoilers;
-
-    #[BooleanType, WithCast(ContextualBooleanCast::class)]
-    public bool|Optional $preliminary;
 }
diff --git a/app/Dto/Concerns/HasPreliminaryParameter.php b/app/Dto/Concerns/HasPreliminaryParameter.php
new file mode 100644
index 0000000..5d7a0ce
--- /dev/null
+++ b/app/Dto/Concerns/HasPreliminaryParameter.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Dto\Concerns;
+
+use App\Casts\ContextualBooleanCast;
+use OpenApi\Annotations as OA;
+use Spatie\LaravelData\Attributes\Validation\BooleanType;
+use Spatie\LaravelData\Attributes\WithCast;
+use Spatie\LaravelData\Optional;
+
+/**
+ *  @OA\Parameter(
+ *      name="preliminary",
+ *      in="query",
+ *      required=false,
+ *      description="Any reviews left during an ongoing anime/manga, those reviews are tagged as preliminary. Preliminary reviews are not returned by default. e.g usage: `?preliminary=true`",
+ *      @OA\Schema(type="boolean")
+ * ),
+ */
+trait HasPreliminaryParameter
+{
+    use PreparesData;
+
+    #[BooleanType, WithCast(ContextualBooleanCast::class)]
+    public bool|Optional $preliminary;
+}
diff --git a/app/Dto/Concerns/HasSpoilersParameter.php b/app/Dto/Concerns/HasSpoilersParameter.php
new file mode 100644
index 0000000..b704e46
--- /dev/null
+++ b/app/Dto/Concerns/HasSpoilersParameter.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Dto\Concerns;
+
+use App\Casts\ContextualBooleanCast;
+use OpenApi\Annotations as OA;
+use Spatie\LaravelData\Attributes\Validation\BooleanType;
+use Spatie\LaravelData\Attributes\WithCast;
+use Spatie\LaravelData\Optional;
+
+/**
+ *  @OA\Parameter(
+ *      name="spoiler",
+ *      in="query",
+ *      required=false,
+ *      description="Any reviews that are tagged as a spoiler. Spoiler reviews are not returned by default. e.g usage: `?spoiler=true`",
+ *      @OA\Schema(type="boolean")
+ * ),
+ */
+trait HasSpoilersParameter
+{
+    use PreparesData;
+
+    #[BooleanType, WithCast(ContextualBooleanCast::class)]
+    public bool|Optional $spoilers;
+}
diff --git a/app/Dto/MangaReviewsLookupCommand.php b/app/Dto/MangaReviewsLookupCommand.php
index cf890ae..d46af71 100644
--- a/app/Dto/MangaReviewsLookupCommand.php
+++ b/app/Dto/MangaReviewsLookupCommand.php
@@ -5,6 +5,8 @@ namespace App\Dto;
 
 use App\Casts\ContextualBooleanCast;
 use App\Casts\EnumCast;
+use App\Dto\Concerns\HasPreliminaryParameter;
+use App\Dto\Concerns\HasSpoilersParameter;
 use App\Dto\Concerns\PreparesData;
 use App\Enums\MediaReviewsSortEnum;
 use App\Rules\Attributes\EnumValidation;
@@ -20,17 +22,11 @@ use Spatie\LaravelData\Optional;
  */
 final class MangaReviewsLookupCommand extends LookupDataCommand
 {
-    use PreparesData;
+    use PreparesData, HasPreliminaryParameter, HasSpoilersParameter;
 
     #[Numeric, Min(1)]
     public int|Optional $page = 1;
 
     #[WithCast(EnumCast::class, MediaReviewsSortEnum::class), EnumValidation(MediaReviewsSortEnum::class)]
     public MediaReviewsSortEnum|Optional $sort;
-
-    #[BooleanType, WithCast(ContextualBooleanCast::class)]
-    public bool|Optional $spoilers;
-
-    #[BooleanType, WithCast(ContextualBooleanCast::class)]
-    public bool|Optional $preliminary;
 }
diff --git a/app/Dto/QueryAnimeReviewsCommand.php b/app/Dto/QueryAnimeReviewsCommand.php
index 55ae1b6..d1af006 100644
--- a/app/Dto/QueryAnimeReviewsCommand.php
+++ b/app/Dto/QueryAnimeReviewsCommand.php
@@ -2,6 +2,10 @@
 
 namespace App\Dto;
 
+use App\Dto\Concerns\HasPreliminaryParameter;
+use App\Dto\Concerns\HasSpoilersParameter;
+
 final class QueryAnimeReviewsCommand extends QueryReviewsCommand
 {
+    use HasPreliminaryParameter, HasSpoilersParameter;
 }
diff --git a/app/Dto/QueryMangaReviewsCommand.php b/app/Dto/QueryMangaReviewsCommand.php
index 1d9de00..3852723 100644
--- a/app/Dto/QueryMangaReviewsCommand.php
+++ b/app/Dto/QueryMangaReviewsCommand.php
@@ -2,6 +2,10 @@
 
 namespace App\Dto;
 
+use App\Dto\Concerns\HasPreliminaryParameter;
+use App\Dto\Concerns\HasSpoilersParameter;
+
 final class QueryMangaReviewsCommand extends QueryReviewsCommand
 {
+    use HasPreliminaryParameter, HasSpoilersParameter;
 }
diff --git a/app/Http/Controllers/V4DB/AnimeController.php b/app/Http/Controllers/V4DB/AnimeController.php
index c8a224d..b6c26af 100644
--- a/app/Http/Controllers/V4DB/AnimeController.php
+++ b/app/Http/Controllers/V4DB/AnimeController.php
@@ -668,6 +668,8 @@ class AnimeController extends Controller
      *     ),
      *
      *     @OA\Parameter(ref="#/components/parameters/page"),
+     *     @OA\Parameter(ref="#/components/parameters/preliminary"),
+     *     @OA\Parameter(ref="#/components/parameters/spoiler"),
      *
      *     @OA\Response(
      *         response="200",
diff --git a/app/Http/Controllers/V4DB/MangaController.php b/app/Http/Controllers/V4DB/MangaController.php
index 11ee13a..e1794eb 100644
--- a/app/Http/Controllers/V4DB/MangaController.php
+++ b/app/Http/Controllers/V4DB/MangaController.php
@@ -386,6 +386,8 @@ class MangaController extends Controller
      *     ),
      *
      *     @OA\Parameter(ref="#/components/parameters/page"),
+     *     @OA\Parameter(ref="#/components/parameters/preliminary"),
+     *     @OA\Parameter(ref="#/components/parameters/spoiler"),
      *
      *     @OA\Response(
      *         response="200",
diff --git a/app/Http/Controllers/V4DB/ReviewsController.php b/app/Http/Controllers/V4DB/ReviewsController.php
index f02f6f3..dcf8ac2 100644
--- a/app/Http/Controllers/V4DB/ReviewsController.php
+++ b/app/Http/Controllers/V4DB/ReviewsController.php
@@ -14,6 +14,8 @@ class ReviewsController extends Controller
      *     tags={"reviews"},
      *
      *     @OA\Parameter(ref="#/components/parameters/page"),
+     *     @OA\Parameter(ref="#/components/parameters/preliminary"),
+     *     @OA\Parameter(ref="#/components/parameters/spoiler"),
      *
      *
      *     @OA\Response(
@@ -67,6 +69,8 @@ class ReviewsController extends Controller
      *     tags={"reviews"},
      *
      *     @OA\Parameter(ref="#/components/parameters/page"),
+     *     @OA\Parameter(ref="#/components/parameters/preliminary"),
+     *     @OA\Parameter(ref="#/components/parameters/spoiler"),
      *
      *     @OA\Response(
      *         response="200",