diff --git a/app/config/specifications.php b/app/config/specifications.php
index 63ca3ea423..82f5633a96 100644
--- a/app/config/specifications.php
+++ b/app/config/specifications.php
@@ -1,6 +1,6 @@
 <?php
 
-use Appwrite\Sites\Specification;
+use Appwrite\Platform\Modules\Compute\Specification;
 
 return [
     Specification::S_05VCPU_512MB => [
diff --git a/app/init.php b/app/init.php
index 90811013af..6b57035ce9 100644
--- a/app/init.php
+++ b/app/init.php
@@ -36,13 +36,13 @@ use Appwrite\Event\Realtime;
 use Appwrite\Event\StatsUsage;
 use Appwrite\Event\Webhook;
 use Appwrite\Extend\Exception;
-use Appwrite\Functions\Specification;
 use Appwrite\GraphQL\Promises\Adapter\Swoole;
 use Appwrite\GraphQL\Schema;
 use Appwrite\Hooks\Hooks;
 use Appwrite\Network\Validator\Email;
 use Appwrite\Network\Validator\Origin;
 use Appwrite\OpenSSL\OpenSSL;
+use Appwrite\Platform\Modules\Compute\Specification;
 use Appwrite\PubSub\Adapter\Redis as PubSub;
 use Appwrite\URL\URL as AppwriteURL;
 use Appwrite\Utopia\Request;
diff --git a/src/Appwrite/Platform/Modules/Compute/Specification.php b/src/Appwrite/Platform/Modules/Compute/Specification.php
index 8c9e9b9aad..cf48896a7b 100644
--- a/src/Appwrite/Platform/Modules/Compute/Specification.php
+++ b/src/Appwrite/Platform/Modules/Compute/Specification.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Compute;
+namespace Appwrite\Platform\Modules\Compute;
 
 class Specification
 {
diff --git a/src/Appwrite/Platform/Modules/Compute/Validator/Specification.php b/src/Appwrite/Platform/Modules/Compute/Validator/Specification.php
index a0bde3de7c..770f7b11e0 100644
--- a/src/Appwrite/Platform/Modules/Compute/Validator/Specification.php
+++ b/src/Appwrite/Platform/Modules/Compute/Validator/Specification.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Compute\Validator;
+namespace Appwrite\Platform\Modules\Compute\Validator;
 
 use Utopia\Validator;
 
diff --git a/src/Appwrite/Platform/Modules/Functions/Http/Functions/Create.php b/src/Appwrite/Platform/Modules/Functions/Http/Functions/Create.php
index d2abb97b7e..b8959ab5bc 100644
--- a/src/Appwrite/Platform/Modules/Functions/Http/Functions/Create.php
+++ b/src/Appwrite/Platform/Modules/Functions/Http/Functions/Create.php
@@ -2,11 +2,11 @@
 
 namespace Appwrite\Platform\Modules\Functions\Http\Functions;
 
-use Appwrite\Compute\Validator\Specification;
 use Appwrite\Event\Event;
 use Appwrite\Event\Validator\FunctionEvent;
 use Appwrite\Extend\Exception;
 use Appwrite\Platform\Modules\Compute\Base;
+use Appwrite\Platform\Modules\Compute\Validator\Specification;
 use Appwrite\SDK\AuthType;
 use Appwrite\SDK\Method;
 use Appwrite\SDK\Response as SDKResponse;
diff --git a/src/Appwrite/Platform/Modules/Functions/Http/Functions/Update.php b/src/Appwrite/Platform/Modules/Functions/Http/Functions/Update.php
index cb4d2d553a..550cc2aa51 100644
--- a/src/Appwrite/Platform/Modules/Functions/Http/Functions/Update.php
+++ b/src/Appwrite/Platform/Modules/Functions/Http/Functions/Update.php
@@ -2,12 +2,12 @@
 
 namespace Appwrite\Platform\Modules\Functions\Http\Functions;
 
-use Appwrite\Compute\Validator\Specification;
 use Appwrite\Event\Build;
 use Appwrite\Event\Event;
 use Appwrite\Event\Validator\FunctionEvent;
 use Appwrite\Extend\Exception;
 use Appwrite\Platform\Modules\Compute\Base;
+use Appwrite\Platform\Modules\Compute\Validator\Specification;
 use Appwrite\SDK\AuthType;
 use Appwrite\SDK\Method;
 use Appwrite\SDK\Response as SDKResponse;
diff --git a/src/Appwrite/Platform/Modules/Sites/Http/Sites/Create.php b/src/Appwrite/Platform/Modules/Sites/Http/Sites/Create.php
index eb1c5b38f2..cad4ac33a3 100644
--- a/src/Appwrite/Platform/Modules/Sites/Http/Sites/Create.php
+++ b/src/Appwrite/Platform/Modules/Sites/Http/Sites/Create.php
@@ -2,10 +2,10 @@
 
 namespace Appwrite\Platform\Modules\Sites\Http\Sites;
 
-use Appwrite\Compute\Validator\Specification;
 use Appwrite\Event\Event;
 use Appwrite\Extend\Exception;
 use Appwrite\Platform\Modules\Compute\Base;
+use Appwrite\Platform\Modules\Compute\Validator\Specification;
 use Appwrite\SDK\AuthType;
 use Appwrite\SDK\Method;
 use Appwrite\SDK\Response as SDKResponse;
diff --git a/src/Appwrite/Platform/Modules/Sites/Http/Sites/Update.php b/src/Appwrite/Platform/Modules/Sites/Http/Sites/Update.php
index 996a8209b5..c28fd58bc5 100644
--- a/src/Appwrite/Platform/Modules/Sites/Http/Sites/Update.php
+++ b/src/Appwrite/Platform/Modules/Sites/Http/Sites/Update.php
@@ -2,11 +2,11 @@
 
 namespace Appwrite\Platform\Modules\Sites\Http\Sites;
 
-use Appwrite\Compute\Validator\Specification;
 use Appwrite\Event\Build;
 use Appwrite\Event\Event;
 use Appwrite\Extend\Exception;
 use Appwrite\Platform\Modules\Compute\Base;
+use Appwrite\Platform\Modules\Compute\Validator\Specification;
 use Appwrite\SDK\AuthType;
 use Appwrite\SDK\Method;
 use Appwrite\SDK\Response as SDKResponse;
diff --git a/src/Appwrite/Platform/Modules/Sites/Services/Http.php b/src/Appwrite/Platform/Modules/Sites/Services/Http.php
index 813a857b7d..6bd151f97e 100644
--- a/src/Appwrite/Platform/Modules/Sites/Services/Http.php
+++ b/src/Appwrite/Platform/Modules/Sites/Services/Http.php
@@ -21,6 +21,7 @@ use Appwrite\Platform\Modules\Sites\Http\Sites\Deployment\Update as UpdateSiteDe
 use Appwrite\Platform\Modules\Sites\Http\Sites\Get as GetSite;
 use Appwrite\Platform\Modules\Sites\Http\Sites\Update as UpdateSite;
 use Appwrite\Platform\Modules\Sites\Http\Sites\XList as ListSites;
+use Appwrite\Platform\Modules\Sites\Http\Specifications\XList as ListSpecifications;
 use Appwrite\Platform\Modules\Sites\Http\Templates\Get as GetTemplate;
 use Appwrite\Platform\Modules\Sites\Http\Templates\XList as ListTemplates;
 use Appwrite\Platform\Modules\Sites\Http\Usage\Get as GetUsage;
@@ -79,5 +80,7 @@ class Http extends Service
         // Usage
         $this->addAction(ListUsage::getName(), new ListUsage());
         $this->addAction(GetUsage::getName(), new GetUsage());
+
+        $this->addAction(ListSpecifications::getName(), new ListSpecifications());
     }
 }
diff --git a/tests/e2e/General/UsageTest.php b/tests/e2e/General/UsageTest.php
index 00dc790869..a74101f50d 100644
--- a/tests/e2e/General/UsageTest.php
+++ b/tests/e2e/General/UsageTest.php
@@ -2,7 +2,7 @@
 
 namespace Tests\E2E\General;
 
-use Appwrite\Functions\Specification;
+use Appwrite\Platform\Modules\Compute\Specification;
 use Appwrite\Tests\Retry;
 use CURLFile;
 use DateTime;
diff --git a/tests/e2e/Services/Functions/FunctionsBase.php b/tests/e2e/Services/Functions/FunctionsBase.php
index 9f0a5903f3..85e881e5eb 100644
--- a/tests/e2e/Services/Functions/FunctionsBase.php
+++ b/tests/e2e/Services/Functions/FunctionsBase.php
@@ -389,4 +389,13 @@ trait FunctionsBase
 
         return $deployment;
     }
+
+    protected function listSpecifications(): mixed
+    {
+        $specifications = $this->client->call(Client::METHOD_GET, '/functions/specifications', array_merge([
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()));
+
+        return $specifications;
+    }
 }
diff --git a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
index 2056d1f689..472d6f430e 100644
--- a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
+++ b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
@@ -2,7 +2,7 @@
 
 namespace Tests\E2E\Services\Functions;
 
-use Appwrite\Functions\Specification;
+use Appwrite\Platform\Modules\Compute\Specification;
 use Appwrite\Tests\Retry;
 use Tests\E2E\Client;
 use Tests\E2E\Scopes\ProjectCustom;
@@ -22,6 +22,41 @@ class FunctionsCustomServerTest extends Scope
     use ProjectCustom;
     use SideServer;
 
+    public function testListSpecs(): void
+    {
+        $specifications = $this->listSpecifications();
+        $this->assertEquals(200, $specifications['headers']['status-code']);
+        $this->assertGreaterThan(0, $specifications['body']['total']);
+        $this->assertArrayHasKey(0, $specifications['body']['specifications']);
+        $this->assertArrayHasKey('memory', $specifications['body']['specifications'][0]);
+        $this->assertArrayHasKey('cpus', $specifications['body']['specifications'][0]);
+        $this->assertArrayHasKey('enabled', $specifications['body']['specifications'][0]);
+        $this->assertArrayHasKey('slug', $specifications['body']['specifications'][0]);
+
+        $function = $this->createFunction([
+            'functionId' => ID::unique(),
+            'name' => 'Specs function',
+            'runtime' => 'php-8.0',
+            'specification' => $specifications['body']['specifications'][0]['slug']
+        ]);
+        $this->assertEquals(201, $function['headers']['status-code']);
+        $this->assertEquals($specifications['body']['specifications'][0]['slug'], $function['body']['specification']);
+
+        $function = $this->getFunction($function['body']['$id']);
+        $this->assertEquals(200, $function['headers']['status-code']);
+        $this->assertEquals($specifications['body']['specifications'][0]['slug'], $function['body']['specification']);
+
+        $this->cleanupFunction($function['body']['$id']);
+
+        $function = $this->createFunction([
+            'functionId' => ID::unique(),
+            'name' => 'Specs function',
+            'runtime' => 'php-8.0',
+            'specification' => 'cheap-please'
+        ]);
+        $this->assertEquals(400, $function['headers']['status-code']);
+    }
+
     public function testCreateFunction(): array
     {
         /**
@@ -2006,14 +2041,14 @@ class FunctionsCustomServerTest extends Scope
         $this->assertEquals(201, $execution['headers']['status-code']);
         $this->assertStringContainsString('APPWRITE_FUNCTION_ID', $execution['body']['responseBody']);
 
-        $site = $this->updateFunction($functionId, [
+        $function = $this->updateFunction($functionId, [
             'runtime' => 'node-18.0',
             'name' => 'Duplicate Deployment Test',
             'entrypoint' => 'index.js',
             'commands' => 'rm index.js && mv maintenance.js index.js'
         ]);
-        $this->assertEquals(200, $site['headers']['status-code']);
-        $this->assertStringContainsString('maintenance.js', $site['body']['commands']);
+        $this->assertEquals(200, $function['headers']['status-code']);
+        $this->assertStringContainsString('maintenance.js', $function['body']['commands']);
 
         $deploymentId2 = $this->setupDuplicateDeployment($functionId, $deploymentId1);
         $this->assertNotEmpty($deploymentId2);
diff --git a/tests/e2e/Services/Sites/SitesBase.php b/tests/e2e/Services/Sites/SitesBase.php
index a7e0293409..78c65afe98 100644
--- a/tests/e2e/Services/Sites/SitesBase.php
+++ b/tests/e2e/Services/Sites/SitesBase.php
@@ -414,4 +414,13 @@ trait SitesBase
 
         return $deployment;
     }
+
+    protected function listSpecifications(): mixed
+    {
+        $specifications = $this->client->call(Client::METHOD_GET, '/sites/specifications', array_merge([
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()));
+
+        return $specifications;
+    }
 }
diff --git a/tests/e2e/Services/Sites/SitesCustomServerTest.php b/tests/e2e/Services/Sites/SitesCustomServerTest.php
index bd6236291c..891882b1f9 100644
--- a/tests/e2e/Services/Sites/SitesCustomServerTest.php
+++ b/tests/e2e/Services/Sites/SitesCustomServerTest.php
@@ -2,7 +2,7 @@
 
 namespace Tests\E2E\Services\Sites;
 
-use Appwrite\Sites\Specification;
+use Appwrite\Platform\Modules\Compute\Specification;
 use Appwrite\Tests\Retry;
 use Tests\E2E\Client;
 use Tests\E2E\Scopes\ProjectCustom;
@@ -20,6 +20,43 @@ class SitesCustomServerTest extends Scope
     use ProjectCustom;
     use SideServer;
 
+    public function testListSpecs(): void
+    {
+        $specifications = $this->listSpecifications();
+        $this->assertEquals(200, $specifications['headers']['status-code']);
+        $this->assertGreaterThan(0, $specifications['body']['total']);
+        $this->assertArrayHasKey(0, $specifications['body']['specifications']);
+        $this->assertArrayHasKey('memory', $specifications['body']['specifications'][0]);
+        $this->assertArrayHasKey('cpus', $specifications['body']['specifications'][0]);
+        $this->assertArrayHasKey('enabled', $specifications['body']['specifications'][0]);
+        $this->assertArrayHasKey('slug', $specifications['body']['specifications'][0]);
+
+        $site = $this->createSite([
+            'buildRuntime' => 'node-22',
+            'framework' => 'other',
+            'name' => 'Specs site',
+            'siteId' => ID::unique(),
+            'specification' => $specifications['body']['specifications'][0]['slug']
+        ]);
+        $this->assertEquals(201, $site['headers']['status-code']);
+        $this->assertEquals($specifications['body']['specifications'][0]['slug'], $site['body']['specification']);
+
+        $site = $this->getSite($site['body']['$id']);
+        $this->assertEquals(200, $site['headers']['status-code']);
+        $this->assertEquals($specifications['body']['specifications'][0]['slug'], $site['body']['specification']);
+
+        $this->cleanupSite($site['body']['$id']);
+
+        $site = $this->createSite([
+            'buildRuntime' => 'node-22',
+            'framework' => 'other',
+            'name' => 'Specs site',
+            'siteId' => ID::unique(),
+            'specification' => 'cheap-please'
+        ]);
+        $this->assertEquals(400, $site['headers']['status-code']);
+    }
+
     public function testCreateSite(): void
     {
         /**