diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38dfa04..6f7e4aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file. This projec
 
 ## Unreleased
 
+### Added
+
+- [#265](https://github.com/laravel-json-api/laravel/issues/265) Allow registration of middleware per action on both
+  resource routes and relationship routes.
+
 ## [3.2.0] - 2023-11-08
 
 ### Added
diff --git a/src/Routing/PendingRelationshipRegistration.php b/src/Routing/PendingRelationshipRegistration.php
index d0a5934..b10c97d 100644
--- a/src/Routing/PendingRelationshipRegistration.php
+++ b/src/Routing/PendingRelationshipRegistration.php
@@ -20,6 +20,7 @@
 namespace LaravelJsonApi\Laravel\Routing;
 
 use Illuminate\Routing\RouteCollection;
+use Illuminate\Support\Arr;
 
 class PendingRelationshipRegistration
 {
@@ -155,12 +156,30 @@ public function name(string $method, string $name): self
     /**
      * Add middleware to the resource routes.
      *
-     * @param string ...$middleware
+     * @param mixed ...$middleware
      * @return $this
      */
-    public function middleware(string ...$middleware): self
+    public function middleware(...$middleware): self
     {
-        $this->options['middleware'] = $middleware;
+        if (count($middleware) === 1) {
+            $middleware = Arr::wrap($middleware[0]);
+        }
+
+        if (array_is_list($middleware)) {
+            $this->options['middleware'] = $middleware;
+            return $this;
+        }
+
+        $this->options['middleware'] = Arr::wrap($middleware['*'] ?? null);
+
+        foreach ($this->map as $alias => $action) {
+            if (isset($middleware[$alias])) {
+                $middleware[$action] = $middleware[$alias];
+                unset($middleware[$alias]);
+            }
+        }
+
+        $this->options['action_middleware'] = $middleware;
 
         return $this;
     }
diff --git a/src/Routing/PendingResourceRegistration.php b/src/Routing/PendingResourceRegistration.php
index d07c8f3..9969690 100644
--- a/src/Routing/PendingResourceRegistration.php
+++ b/src/Routing/PendingResourceRegistration.php
@@ -21,6 +21,7 @@
 
 use Closure;
 use Illuminate\Routing\RouteCollection;
+use Illuminate\Support\Arr;
 use InvalidArgumentException;
 use function is_string;
 
@@ -180,12 +181,22 @@ public function parameter(string $parameter): self
     /**
      * Add middleware to the resource routes.
      *
-     * @param string ...$middleware
+     * @param mixed ...$middleware
      * @return $this
      */
-    public function middleware(string ...$middleware): self
+    public function middleware(...$middleware): self
     {
-        $this->options['middleware'] = $middleware;
+        if (count($middleware) === 1) {
+            $middleware = Arr::wrap($middleware[0]);
+        }
+
+        if (array_is_list($middleware)) {
+            $this->options['middleware'] = $middleware;
+            return $this;
+        }
+
+        $this->options['middleware'] = Arr::wrap($middleware['*'] ?? null);
+        $this->options['action_middleware'] = $middleware;
 
         return $this;
     }
@@ -196,7 +207,7 @@ public function middleware(string ...$middleware): self
      * @param string ...$middleware
      * @return $this
      */
-    public function withoutMiddleware(string ...$middleware)
+    public function withoutMiddleware(string ...$middleware): self
     {
         $this->options['excluded_middleware'] = array_merge(
             (array) ($this->options['excluded_middleware'] ?? []),
diff --git a/src/Routing/RelationshipRegistrar.php b/src/Routing/RelationshipRegistrar.php
index a9aae8a..2aa2363 100644
--- a/src/Routing/RelationshipRegistrar.php
+++ b/src/Routing/RelationshipRegistrar.php
@@ -22,6 +22,7 @@
 use Illuminate\Contracts\Routing\Registrar as RegistrarContract;
 use Illuminate\Routing\Route as IlluminateRoute;
 use Illuminate\Routing\RouteCollection;
+use Illuminate\Support\Arr;
 use LaravelJsonApi\Contracts\Schema\Schema;
 use LaravelJsonApi\Core\Support\Str;
 
@@ -272,9 +273,10 @@ private function getRelationshipAction(
         $name = $this->getRelationRouteName($method, $defaultName, $options);
 
         $action = ['as' => $name, 'uses' => $this->controller.'@'.$method];
+        $middleware = $this->getMiddleware($method, $options);
 
-        if (isset($options['middleware'])) {
-            $action['middleware'] = $options['middleware'];
+        if (!empty($middleware)) {
+            $action['middleware'] = $middleware;
         }
 
         if (isset($options['excluded_middleware'])) {
@@ -284,6 +286,22 @@ private function getRelationshipAction(
         return $action;
     }
 
+    /**
+     * @param string $action
+     * @param array $options
+     * @return array
+     */
+    private function getMiddleware(string $action, array $options): array
+    {
+        $all = $options['middleware'] ?? [];
+        $actions = $options['action_middleware'] ?? [];
+
+        return [
+            ...$all,
+            ...Arr::wrap($actions[$action] ?? null),
+        ];
+    }
+
     /**
      * @param string $fieldName
      * @return string
diff --git a/src/Routing/ResourceRegistrar.php b/src/Routing/ResourceRegistrar.php
index bde73d8..495a69a 100644
--- a/src/Routing/ResourceRegistrar.php
+++ b/src/Routing/ResourceRegistrar.php
@@ -23,6 +23,7 @@
 use Illuminate\Contracts\Routing\Registrar as RegistrarContract;
 use Illuminate\Routing\Route as IlluminateRoute;
 use Illuminate\Routing\RouteCollection;
+use Illuminate\Support\Arr;
 use LaravelJsonApi\Contracts\Server\Server;
 use LaravelJsonApi\Core\Support\Str;
 
@@ -337,13 +338,14 @@ private function getResourceAction(
         string $method,
         ?string $parameter,
         array $options
-    ) {
+    ): array {
         $name = $this->getResourceRouteName($resourceType, $method, $options);
 
         $action = ['as' => $name, 'uses' => $controller.'@'.$method];
+        $middleware = $this->getMiddleware($method, $options);
 
-        if (isset($options['middleware'])) {
-            $action['middleware'] = $options['middleware'];
+        if (!empty($middleware)) {
+            $action['middleware'] = $middleware;
         }
 
         if (isset($options['excluded_middleware'])) {
@@ -355,6 +357,22 @@ private function getResourceAction(
         return $action;
     }
 
+    /**
+     * @param string $action
+     * @param array $options
+     * @return array
+     */
+    private function getMiddleware(string $action, array $options): array
+    {
+        $all = $options['middleware'] ?? [];
+        $actions = $options['action_middleware'] ?? [];
+
+        return [
+            ...$all,
+            ...Arr::wrap($actions[$action] ?? null),
+        ];
+    }
+
     /**
      * Get the action array for the relationships group.
      *
diff --git a/tests/lib/Integration/Routing/HasManyTest.php b/tests/lib/Integration/Routing/HasManyTest.php
index 16c3777..f2b28d5 100644
--- a/tests/lib/Integration/Routing/HasManyTest.php
+++ b/tests/lib/Integration/Routing/HasManyTest.php
@@ -144,13 +144,95 @@ public function testMiddleware(string $method, string $uri): void
                 ->middleware('foo')
                 ->resources(function ($server) {
                     $server->resource('posts')->middleware('bar')->relationships(function ($relations) {
-                        $relations->hasMany('tags')->middleware('baz');
+                        $relations->hasMany('tags')->middleware('baz1', 'baz2');
                     });
                 });
         });
 
         $route = $this->assertMatch($method, $uri);
-        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar', 'baz'], $route->action['middleware']);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar', 'baz1', 'baz2'], $route->action['middleware']);
+    }
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @dataProvider genericProvider
+     */
+    public function testMiddlewareAsArrayList(string $method, string $uri): void
+    {
+        $server = $this->createServer('v1');
+        $schema = $this->createSchema($server, 'posts', '\d+');
+        $this->createRelation($schema, 'tags');
+
+        $this->defaultApiRoutesWithNamespace(function () {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function ($server) {
+                    $server->resource('posts')->middleware('bar')->relationships(function ($relations) {
+                        $relations->hasMany('tags')->middleware(['baz1', 'baz2']);
+                    });
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar', 'baz1', 'baz2'], $route->action['middleware']);
+    }
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @param string $action
+     * @dataProvider genericProvider
+     */
+    public function testActionMiddleware(string $method, string $uri, string $action): void
+    {
+        $actions = [
+            '*' => ['baz1', 'baz2'],
+            'showRelated' => 'showRelated1',
+            'showRelationship' => ['showRelationship1', 'showRelationship2'],
+            'updateRelationship' => 'updateRelationship1',
+            'attachRelationship' => ['attachRelationship1', 'attachRelationship2'],
+            'detachRelationship' => 'detachRelationship1',
+        ];
+
+        $expected = [
+            'api',
+            'jsonapi:v1',
+            'foo',
+            'bar',
+            ...$actions['*'],
+            ...Arr::wrap($actions[$action]),
+        ];
+
+        $server = $this->createServer('v1');
+        $schema = $this->createSchema($server, 'posts', '\d+');
+        $this->createRelation($schema, 'tags');
+
+        $this->defaultApiRoutesWithNamespace(function () use ($actions) {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function ($server) use ($actions) {
+                    $server->resource('posts')->middleware('bar')->relationships(
+                        function ($relations) use ($actions) {
+                            $relations->hasMany('tags')->middleware([
+                                '*' => $actions['*'],
+                                'related' => $actions['showRelated'],
+                                'show' => $actions['showRelationship'],
+                                'update' => $actions['updateRelationship'],
+                                'attach' => $actions['attachRelationship'],
+                                'detach' => $actions['detachRelationship'],
+                            ]);
+                        },
+                    );
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame($expected, $route->action['middleware']);
     }
 
     /**
diff --git a/tests/lib/Integration/Routing/HasOneTest.php b/tests/lib/Integration/Routing/HasOneTest.php
index 8a85cc6..3861988 100644
--- a/tests/lib/Integration/Routing/HasOneTest.php
+++ b/tests/lib/Integration/Routing/HasOneTest.php
@@ -22,6 +22,8 @@
 use Illuminate\Contracts\Routing\Registrar;
 use LaravelJsonApi\Core\Support\Arr;
 use LaravelJsonApi\Laravel\Facades\JsonApiRoute;
+use LaravelJsonApi\Laravel\Routing\Relationships;
+use LaravelJsonApi\Laravel\Routing\ResourceRegistrar;
 
 class HasOneTest extends TestCase
 {
@@ -117,11 +119,9 @@ public function testName(string $method, string $uri, string $action): void
     /**
      * @param string $method
      * @param string $uri
-     * @param string $action
-     * @param string $name
      * @dataProvider genericProvider
      */
-    public function testMiddleware(string $method, string $uri, string $action, string $name): void
+    public function testMiddleware(string $method, string $uri): void
     {
         $server = $this->createServer('v1');
         $schema = $this->createSchema($server, 'posts', '\d+');
@@ -134,13 +134,91 @@ public function testMiddleware(string $method, string $uri, string $action, stri
                 ->middleware('foo')
                 ->resources(function ($server) {
                     $server->resource('posts')->middleware('bar')->relationships(function ($relations) {
-                        $relations->hasOne('author')->middleware('baz');
+                        $relations->hasOne('author')->middleware('baz1', 'baz2');
                     });
                 });
         });
 
         $route = $this->assertMatch($method, $uri);
-        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar', 'baz'], $route->action['middleware']);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar', 'baz1', 'baz2'], $route->action['middleware']);
+    }
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @dataProvider genericProvider
+     */
+    public function testMiddlewareAsArrayList(string $method, string $uri): void
+    {
+        $server = $this->createServer('v1');
+        $schema = $this->createSchema($server, 'posts', '\d+');
+        $this->createRelation($schema, 'author');
+
+        $this->defaultApiRoutesWithNamespace(function () {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function (ResourceRegistrar $server) {
+                    $server->resource('posts')->middleware('bar')->relationships(function (Relationships $relations) {
+                        $relations->hasOne('author')->middleware(['baz1', 'baz2']);
+                    });
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar', 'baz1', 'baz2'], $route->action['middleware']);
+    }
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @param string $action
+     * @dataProvider genericProvider
+     */
+    public function testActionMiddleware(string $method, string $uri, string $action): void
+    {
+        $actions = [
+            '*' => ['baz1', 'baz2'],
+            'showRelated' => 'showRelated1',
+            'showRelationship' => ['showRelationship1', 'showRelationship2'],
+            'updateRelationship' => 'updateRelationship1',
+        ];
+
+        $expected = [
+            'api',
+            'jsonapi:v1',
+            'foo',
+            'bar',
+            ...$actions['*'],
+            ...Arr::wrap($actions[$action]),
+        ];
+
+        $server = $this->createServer('v1');
+        $schema = $this->createSchema($server, 'posts', '\d+');
+        $this->createRelation($schema, 'author');
+
+        $this->defaultApiRoutesWithNamespace(function () use ($actions) {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function (ResourceRegistrar $server) use ($actions) {
+                    $server->resource('posts')->middleware('bar')->relationships(
+                        function (Relationships $relations) use ($actions) {
+                            $relations->hasOne('author')->middleware([
+                                '*' => $actions['*'],
+                                'related' => $actions['showRelated'],
+                                'show' => $actions['showRelationship'],
+                                'update' => $actions['updateRelationship'],
+                            ]);
+                        },
+                    );
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame($expected, $route->action['middleware']);
     }
 
     /**
diff --git a/tests/lib/Integration/Routing/ResourceTest.php b/tests/lib/Integration/Routing/ResourceTest.php
index 2dad057..c657f42 100644
--- a/tests/lib/Integration/Routing/ResourceTest.php
+++ b/tests/lib/Integration/Routing/ResourceTest.php
@@ -23,6 +23,7 @@
 use Illuminate\Contracts\Routing\Registrar;
 use LaravelJsonApi\Core\Support\Arr;
 use LaravelJsonApi\Laravel\Facades\JsonApiRoute;
+use LaravelJsonApi\Laravel\Routing\ResourceRegistrar;
 
 class ResourceTest extends TestCase
 {
@@ -217,14 +218,14 @@ public function testServerMiddleware(string $method, string $uri): void
             JsonApiRoute::server('v1')
                 ->prefix('v1')
                 ->namespace('Api\\V1')
-                ->middleware('foo')
+                ->middleware('foo', 'bar')
                 ->resources(function ($server) {
                     $server->resource('posts');
                 });
         });
 
         $route = $this->assertMatch($method, $uri);
-        $this->assertSame(['api', 'jsonapi:v1', 'foo'], $route->action['middleware']);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar'], $route->action['middleware']);
     }
 
     /**
@@ -251,6 +252,97 @@ public function testResourceMiddleware(string $method, string $uri): void
         $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar'], $route->action['middleware']);
     }
 
+    /**
+     * @param string $method
+     * @param string $uri
+     * @dataProvider routeProvider
+     */
+    public function testResourceWithMultipleMiddleware(string $method, string $uri): void
+    {
+        $server = $this->createServer('v1');
+        $this->createSchema($server, 'posts', '\d+');
+
+        $this->defaultApiRoutesWithNamespace(function () {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function ($server) {
+                    $server->resource('posts')->middleware('bar1', 'bar2');
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar1', 'bar2'], $route->action['middleware']);
+    }
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @dataProvider routeProvider
+     */
+    public function testResourceMiddlewareArrayList(string $method, string $uri): void
+    {
+        $server = $this->createServer('v1');
+        $this->createSchema($server, 'posts', '\d+');
+
+        $this->defaultApiRoutesWithNamespace(function () {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function (ResourceRegistrar $server) {
+                    $server->resource('posts')->middleware(['bar1', 'bar2']);
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame(['api', 'jsonapi:v1', 'foo', 'bar1', 'bar2'], $route->action['middleware']);
+    }
+
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @param string $action
+     * @dataProvider routeProvider
+     */
+    public function testResourceActionMiddleware(string $method, string $uri, string $action): void
+    {
+        $actions = [
+            '*' => ['bar1', 'bar2'],
+            'index' => 'index1',
+            'store' => ['store1', 'store2'],
+            'show' => ['show1'],
+            'update' => 'update1',
+            'destroy' => 'destroy1',
+        ];
+
+        $expected = [
+            'api',
+            'jsonapi:v1',
+            'foo',
+            ...$actions['*'],
+            ...Arr::wrap($actions[$action]),
+        ];
+
+        $server = $this->createServer('v1');
+        $this->createSchema($server, 'posts', '\d+');
+
+        $this->defaultApiRoutesWithNamespace(function () use ($actions) {
+            JsonApiRoute::server('v1')
+                ->prefix('v1')
+                ->namespace('Api\\V1')
+                ->middleware('foo')
+                ->resources(function (ResourceRegistrar $server) use ($actions) {
+                    $server->resource('posts')->middleware($actions);
+                });
+        });
+
+        $route = $this->assertMatch($method, $uri);
+        $this->assertSame($expected, $route->action['middleware']);
+    }
+
     /**
      * @param string $method
      * @param string $uri

<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head>
<title>pFad - Phonifier reborn</title>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
</head>
<body>
<h1>Pfad - The Proxy pFad of &#169; 2024 Garber Painting. All rights reserved.</h1>


<!-- Disclaimer -->
<p>Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.</p>
<br>
<p>Alternative Proxies:</p><p><a href="http://rainy.clevelandohioweatherforecast.com/php-proxy/index.php?q=https://patch-diff.githubusercontent.com/raw/laravel-json-api/laravel/pull/268.diff" target="_blank">Alternative Proxy</a></p><p><a href="http://rainy.clevelandohioweatherforecast.com/pFad/index.php?u=https://patch-diff.githubusercontent.com/raw/laravel-json-api/laravel/pull/268.diff" target="_blank">pFad Proxy</a></p><p><a href="http://rainy.clevelandohioweatherforecast.com/pFad/v3index.php?u=https://patch-diff.githubusercontent.com/raw/laravel-json-api/laravel/pull/268.diff" target="_blank">pFad v3 Proxy</a></p><p><a href="http://rainy.clevelandohioweatherforecast.com/pFad/v4index.php?u=https://patch-diff.githubusercontent.com/raw/laravel-json-api/laravel/pull/268.diff" target="_blank">pFad v4 Proxy</a></p></body>
</html>