diff --git a/app/Domains/StorageTest/Controllers/S3TestController.php b/app/Domains/StorageTest/Controllers/S3TestController.php
new file mode 100644
index 0000000..95beb08
--- /dev/null
+++ b/app/Domains/StorageTest/Controllers/S3TestController.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Domains\StorageTest\Controllers;
+
+use App\Domains\StorageTest\Requests\GenerateS3TemporaryUrlRequest;
+use App\Domains\StorageTest\Requests\StoreS3TestFileRequest;
+use App\Domains\StorageTest\Services\S3TestService;
+use App\Http\Controllers\Controller;
+use Illuminate\Http\JsonResponse;
+
+class S3TestController extends Controller
+{
+    public function __construct(
+        protected S3TestService $s3TestService,
+    ) {
+    }
+
+    public function store(StoreS3TestFileRequest $request): JsonResponse
+    {
+        return response()->json(
+            $this->s3TestService->storeTestFile(
+                $request->file('file'),
+                $request->validated('directory'),
+                (int) $request->validated('expires_in_minutes', 10),
+            ),
+            201,
+        );
+    }
+
+    public function temporaryUrl(GenerateS3TemporaryUrlRequest $request): JsonResponse
+    {
+        return response()->json(
+            $this->s3TestService->generateTemporaryUrl(
+                $request->validated('path'),
+                (int) $request->validated('expires_in_minutes', 10),
+            )
+        );
+    }
+}
diff --git a/app/Domains/StorageTest/Requests/GenerateS3TemporaryUrlRequest.php b/app/Domains/StorageTest/Requests/GenerateS3TemporaryUrlRequest.php
new file mode 100644
index 0000000..b906053
--- /dev/null
+++ b/app/Domains/StorageTest/Requests/GenerateS3TemporaryUrlRequest.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Domains\StorageTest\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class GenerateS3TemporaryUrlRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, array<int, string>>
+     */
+    public function rules(): array
+    {
+        return [
+            'path' => ['required', 'string', 'max:2048'],
+            'expires_in_minutes' => ['nullable', 'integer', 'min:1', 'max:1440'],
+        ];
+    }
+}
diff --git a/app/Domains/StorageTest/Requests/StoreS3TestFileRequest.php b/app/Domains/StorageTest/Requests/StoreS3TestFileRequest.php
new file mode 100644
index 0000000..183ca36
--- /dev/null
+++ b/app/Domains/StorageTest/Requests/StoreS3TestFileRequest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Domains\StorageTest\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreS3TestFileRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return array<string, array<int, string>>
+     */
+    public function rules(): array
+    {
+        return [
+            'file' => ['required', 'file', 'max:10240'],
+            'directory' => ['nullable', 'string', 'max:255'],
+            'expires_in_minutes' => ['nullable', 'integer', 'min:1', 'max:1440'],
+        ];
+    }
+}
diff --git a/app/Domains/StorageTest/Services/S3TestService.php b/app/Domains/StorageTest/Services/S3TestService.php
new file mode 100644
index 0000000..3638ced
--- /dev/null
+++ b/app/Domains/StorageTest/Services/S3TestService.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Domains\StorageTest\Services;
+
+use Illuminate\Http\UploadedFile;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Str;
+use RuntimeException;
+
+class S3TestService
+{
+    /**
+     * @return array<string, int|string|null>
+     */
+    public function storeTestFile(
+        UploadedFile $file,
+        ?string $directory = null,
+        int $expiresInMinutes = 10,
+    ): array {
+        $directory = $this->normalizeDirectory($directory);
+        $disk = Storage::disk('s3');
+        $path = $disk->putFile($directory, $file);
+
+        if (! is_string($path) || $path === '') {
+            Log::error('S3 upload returned an empty path.', [
+                'disk' => 's3',
+                'directory' => $directory,
+                'original_name' => $file->getClientOriginalName(),
+                'mime_type' => $file->getClientMimeType(),
+                'size' => $file->getSize(),
+            ]);
+
+            throw new RuntimeException('No se pudo subir el archivo al disco s3.');
+        }
+
+        return [
+            'disk' => 's3',
+            'directory' => $directory,
+            'path' => $path,
+            'filename' => basename($path),
+            'original_name' => $file->getClientOriginalName(),
+            'mime_type' => $file->getClientMimeType(),
+            'extension' => $file->extension(),
+            'size' => $file->getSize(),
+            'temporary_url' => $disk->temporaryUrl($path, now()->addMinutes($expiresInMinutes)),
+            'temporary_url_expires_at' => now()->addMinutes($expiresInMinutes)->toIso8601String(),
+        ];
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    public function generateTemporaryUrl(string $path, int $expiresInMinutes = 10): array
+    {
+        return [
+            'disk' => 's3',
+            'path' => $path,
+            'temporary_url' => $this->temporaryUrlForPath($path, $expiresInMinutes),
+            'temporary_url_expires_at' => now()->addMinutes($expiresInMinutes)->toIso8601String(),
+        ];
+    }
+
+    protected function temporaryUrlForPath(string $path, int $expiresInMinutes): string
+    {
+        return Storage::disk('s3')->temporaryUrl($path, now()->addMinutes($expiresInMinutes));
+    }
+
+    protected function normalizeDirectory(?string $directory): string
+    {
+        $directory = trim((string) $directory, '/');
+
+        if ($directory !== '') {
+            return $directory;
+        }
+
+        return 'testing/attachments/'.now()->format('Y/m/d').'/'.Str::uuid();
+    }
+}
diff --git a/app/Domains/StorageTest/routes/api.php b/app/Domains/StorageTest/routes/api.php
new file mode 100644
index 0000000..ef5ff59
--- /dev/null
+++ b/app/Domains/StorageTest/routes/api.php
@@ -0,0 +1,9 @@
+<?php
+
+use App\Domains\StorageTest\Controllers\S3TestController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('storage-test/s3')->group(function (): void {
+    Route::post('upload', [S3TestController::class, 'store']);
+    Route::get('temporary-url', [S3TestController::class, 'temporaryUrl']);
+});
diff --git a/postman/attachable-s3-testing.postman_collection.json b/postman/attachable-s3-testing.postman_collection.json
new file mode 100644
index 0000000..f7eca10
--- /dev/null
+++ b/postman/attachable-s3-testing.postman_collection.json
@@ -0,0 +1,95 @@
+{
+  "info": {
+    "_postman_id": "8faefdb8-734a-4262-a3b6-4d49e56ea901",
+    "name": "Storage Test S3",
+    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+  },
+  "variable": [
+    {
+      "key": "base_url",
+      "value": "http://127.0.0.1:8000"
+    },
+    {
+      "key": "expires_in_minutes",
+      "value": "10"
+    },
+    {
+      "key": "path",
+      "value": ""
+    }
+  ],
+  "item": [
+    {
+      "name": "Upload Test File",
+      "request": {
+        "method": "POST",
+        "header": [],
+        "body": {
+          "mode": "formdata",
+          "formdata": [
+            {
+              "key": "file",
+              "type": "file",
+              "src": []
+            },
+            {
+              "key": "directory",
+              "value": "testing/manual",
+              "type": "text"
+            },
+            {
+              "key": "expires_in_minutes",
+              "value": "{{expires_in_minutes}}",
+              "type": "text"
+            }
+          ]
+        },
+        "url": {
+          "raw": "{{base_url}}/api/storage-test/s3/upload",
+          "host": [
+            "{{base_url}}"
+          ],
+          "path": [
+            "api",
+            "storage-test",
+            "s3",
+            "upload"
+          ]
+        },
+        "description": "Sube un archivo al disco s3 y devuelve el path junto con una temporary_url."
+      },
+      "response": []
+    },
+    {
+      "name": "Generate Temporary URL",
+      "request": {
+        "method": "GET",
+        "header": [],
+        "url": {
+          "raw": "{{base_url}}/api/storage-test/s3/temporary-url?path={{path}}&expires_in_minutes={{expires_in_minutes}}",
+          "host": [
+            "{{base_url}}"
+          ],
+          "path": [
+            "api",
+            "storage-test",
+            "s3",
+            "temporary-url"
+          ],
+          "query": [
+            {
+              "key": "path",
+              "value": "{{path}}"
+            },
+            {
+              "key": "expires_in_minutes",
+              "value": "{{expires_in_minutes}}"
+            }
+          ]
+        },
+        "description": "Genera una URL temporal para un path ya existente en S3."
+      },
+      "response": []
+    }
+  ]
+}
diff --git a/routes/api.php b/routes/api.php
index 38f7355..5433745 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -9,4 +9,5 @@ Route::get('/user', function (Request $request) {
 
 require __DIR__.'/../app/Domains/Catalog/routes/api.php';
 require __DIR__.'/../app/Domains/Cart/routes/api.php';
+require __DIR__.'/../app/Domains/StorageTest/routes/api.php';
 require __DIR__.'/../app/Domains/Tenant/routes/api.php';