diff --git a/app/Http/Controllers/Api/V0/ApiController.php b/app/Http/Controllers/Api/V0/ApiController.php
new file mode 100644
index 0000000..e6c3955
--- /dev/null
+++ b/app/Http/Controllers/Api/V0/ApiController.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Controllers\Api\V0;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Support\Str;
+
+class ApiController extends Controller
+{
+    public static function shouldInclude(string $relationship): bool
+    {
+        $param = request()->get('include');
+
+        if (! $param) {
+            return false;
+        }
+
+        $includeValues = explode(',', Str::lower($param));
+
+        return in_array(Str::lower($relationship), $includeValues);
+    }
+}
diff --git a/app/Http/Controllers/Api/V0/ModController.php b/app/Http/Controllers/Api/V0/ModController.php
index 2711ce1..1f69eb2 100644
--- a/app/Http/Controllers/Api/V0/ModController.php
+++ b/app/Http/Controllers/Api/V0/ModController.php
@@ -2,13 +2,12 @@
 
 namespace App\Http\Controllers\Api\V0;
 
-use App\Http\Controllers\Controller;
 use App\Http\Requests\Api\V0\StoreModRequest;
 use App\Http\Requests\Api\V0\UpdateModRequest;
 use App\Http\Resources\Api\V0\ModResource;
 use App\Models\Mod;
 
-class ModController extends Controller
+class ModController extends ApiController
 {
     /**
      * Display a listing of the resource.
diff --git a/app/Http/Controllers/Api/V0/UsersController.php b/app/Http/Controllers/Api/V0/UsersController.php
index d876348..a93f52c 100644
--- a/app/Http/Controllers/Api/V0/UsersController.php
+++ b/app/Http/Controllers/Api/V0/UsersController.php
@@ -2,13 +2,12 @@
 
 namespace App\Http\Controllers\Api\V0;
 
-use App\Http\Controllers\Controller;
 use App\Http\Requests\Api\V0\StoreUserRequest;
 use App\Http\Requests\Api\V0\UpdateUserRequest;
 use App\Http\Resources\Api\V0\UserResource;
 use App\Models\User;
 
-class UsersController extends Controller
+class UsersController extends ApiController
 {
     /**
      * Display a listing of the resource.
diff --git a/app/Http/Resources/Api/V0/ModResource.php b/app/Http/Resources/Api/V0/ModResource.php
index 42fd8d4..6b2d2e9 100644
--- a/app/Http/Resources/Api/V0/ModResource.php
+++ b/app/Http/Resources/Api/V0/ModResource.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Resources\Api\V0;
 
+use App\Http\Controllers\Api\V0\ApiController;
 use App\Models\Mod;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
@@ -35,23 +36,29 @@ class ModResource extends JsonResource
                 'published_at' => $this->published_at,
             ],
             'relationships' => [
-                'users' => [
-                    'data' => $this->users->map(fn ($user) => [
+                'users' => $this->users->map(fn ($user) => [
+                    'data' => [
                         'type' => 'user',
                         'id' => $user->id,
-                    ])->toArray(),
-
-                    // TODO: Provide 'links.self' to user profile
-                    //'links' => ['self' => '#'],
-                ],
+                    ],
+                    'links' => [
+                        'self' => $user->profileUrl(),
+                    ],
+                ])->toArray(),
                 'license' => [
-                    'data' => [
-                        'type' => 'license',
-                        'id' => $this->license_id,
+                    [
+                        'data' => [
+                            'type' => 'license',
+                            'id' => $this->license_id,
+                        ],
                     ],
                 ],
             ],
-            'included' => $this->users->map(fn ($user) => new UserResource($user)),
+
+            'includes' => $this->when(
+                ApiController::shouldInclude('users'),
+                fn () => $this->users->map(fn ($user) => new UserResource($user))
+            ),
 
             // TODO: Provide 'included' data for attached 'license':
             //new LicenseResource($this->license)
diff --git a/app/Http/Resources/Api/V0/UserResource.php b/app/Http/Resources/Api/V0/UserResource.php
index f4e2e68..f4e63d1 100644
--- a/app/Http/Resources/Api/V0/UserResource.php
+++ b/app/Http/Resources/Api/V0/UserResource.php
@@ -30,11 +30,13 @@ class UserResource extends JsonResource
                     ],
                 ],
             ],
+
             // TODO: Provide 'included' data for attached 'user_role'
             //'included' => [new UserRoleResource($this->role)],
 
-            // TODO: Provide 'links.self' to user profile:
-            //'links' => ['self' => '#'],
+            'links' => [
+                'self' => $this->profileUrl(),
+            ],
         ];
     }
 }