diff --git a/app/controllers/api/projects.php b/app/controllers/api/projects.php
index b5c37ce969..cc8c618c81 100644
--- a/app/controllers/api/projects.php
+++ b/app/controllers/api/projects.php
@@ -9,7 +9,7 @@ use Appwrite\Network\Validator\CNAME;
 use Utopia\Validator\Domain as DomainValidator;
 use Appwrite\Network\Validator\Origin;
 use Utopia\Validator\URL;
-use Appwrite\Utopia\Database\Validator\CustomId;
+use Appwrite\Utopia\Database\Validator\ProjectId;
 use Appwrite\Utopia\Response;
 use Utopia\Abuse\Adapters\TimeLimit;
 use Utopia\App;
@@ -56,7 +56,7 @@ App::post('/v1/projects')
     ->label('sdk.response.code', Response::STATUS_CODE_CREATED)
     ->label('sdk.response.type', Response::CONTENT_TYPE_JSON)
     ->label('sdk.response.model', Response::MODEL_PROJECT)
-    ->param('projectId', '', new CustomId(), 'Unique Id. Choose a custom ID or generate a random ID with `ID.unique()`. Valid chars are a-z, A-Z, 0-9, period, hyphen, and underscore. Can\'t start with a special char. Max length is 36 chars.')
+    ->param('projectId', '', new ProjectId(), 'Unique Id. Choose a custom ID or generate a random ID with `ID.unique()`. Valid chars are a-z, and hyphen. Can\'t start with a special char. Max length is 36 chars.')
     ->param('name', null, new Text(128), 'Project name. Max length: 128 chars.')
     ->param('teamId', '', new UID(), 'Team unique ID.')
     ->param('region', App::getEnv('_APP_REGION', 'default'), new Whitelist(array_keys(array_filter(Config::getParam('regions'), fn($config) => !$config['disabled']))), 'Project Region.', true)
diff --git a/src/Appwrite/Utopia/Database/Validator/ProjectId.php b/src/Appwrite/Utopia/Database/Validator/ProjectId.php
new file mode 100644
index 0000000000..46b0cdf53e
--- /dev/null
+++ b/src/Appwrite/Utopia/Database/Validator/ProjectId.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace Appwrite\Utopia\Database\Validator;
+
+use Utopia\Validator;
+
+class ProjectId extends Validator
+{
+    /**
+     * Is valid.
+     *
+     * Returns true if valid or false if not.
+     *
+     * @param $value
+     *
+     * @return bool
+     */
+    public function isValid($value): bool
+    {
+        return $value == 'unique()' || preg_match('/^[a-z0-9][a-z0-9-]{1,35}$/', $value);
+    }
+
+    /**
+     * Get description.
+     *
+     * @return string
+     */
+    public function getDescription(): string
+    {
+        return 'Project IDs must contain at most 36 chars. Valid chars are a-z, 0-9, and hyphen. Can\'t start with a special char.';
+    }
+
+    /**
+     * Is array
+     *
+     * Function will return true if object is array.
+     *
+     * @return bool
+     */
+    public function isArray(): bool
+    {
+        return false;
+    }
+
+    /**
+     * Get Type
+     *
+     * Returns validator type.
+     *
+     * @return string
+     */
+    public function getType(): string
+    {
+        return self::TYPE_STRING;
+    }
+}
diff --git a/tests/unit/Utopia/Database/Validator/ProjectIdTest.php b/tests/unit/Utopia/Database/Validator/ProjectIdTest.php
new file mode 100644
index 0000000000..feff6da726
--- /dev/null
+++ b/tests/unit/Utopia/Database/Validator/ProjectIdTest.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Tests\Unit\Utopia\Database\Validator;
+
+use Appwrite\Utopia\Database\Validator\ProjectId;
+use PHPUnit\Framework\TestCase;
+
+class ProjectIdTest extends TestCase
+{
+    /**
+     * @var Key
+     */
+    protected $object = null;
+
+    public function setUp(): void
+    {
+        $this->object = new ProjectId();
+    }
+
+    public function tearDown(): void
+    {
+    }
+
+    /**
+     * @return array
+     */
+    public function provideTest(): array
+    {
+        return [
+            'unique()' => ['unique()', true],
+            'dashes' => ['as12-df34', true],
+            '36 chars' => [\str_repeat('a', 36), true],
+            'uppercase' => ['ABC', false],
+            'underscore' => ['under_score', false],
+            'leading dash' => ['-dash', false],
+            'too long' => [\str_repeat('a', 37), false],
+        ];
+    }
+
+    /**
+     * @dataProvider provideTest
+     */
+    public function testValues(string $input, bool $expected): void
+    {
+        $this->assertEquals($this->object->isValid($input), $expected);
+    }
+}