diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index efd5649..080ccb1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,10 +22,10 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up PHP
-        uses: 'shivammathur/setup-php@v2'
+        uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # 2.37.0
         with:
           php-version: '8.3'
 
@@ -40,10 +40,10 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/moderation-api-php' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up PHP
-        uses: 'shivammathur/setup-php@v2'
+        uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # 2.37.0
         with:
           php-version: '8.3'
 
diff --git a/.github/workflows/publish-packagist.yml b/.github/workflows/publish-packagist.yml
index 0c8315c..e775e36 100644
--- a/.github/workflows/publish-packagist.yml
+++ b/.github/workflows/publish-packagist.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Publish to Packagist
         run: |-
diff --git a/.github/workflows/release-doctor.yml b/.github/workflows/release-doctor.yml
index 7af163c..dd9bea3 100644
--- a/.github/workflows/release-doctor.yml
+++ b/.github/workflows/release-doctor.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'moderation-api/sdk-php' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Check release environment
         run: |
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 463488b..4ad3fef 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.17.1"
+  ".": "0.18.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 7fc4abc..ec34a10 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 27
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/moderation-api/moderation-api-e864d762f50e49c0584bbf35eacc43cdb1397f805cca52cb8d4c07781739d0a3.yml
-openapi_spec_hash: f511fefb34946e5878ac17f2b3056b1f
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/moderation-api/moderation-api-3bb06bde0f76baa35ecc698b0c60371c9eadfd7b58c00b77cbc124d5be5dcb8b.yml
+openapi_spec_hash: b4339d93d43fb725be0e98bd3bbf4f0b
 config_hash: 9d144cc6c49d3fd53e5b4472c1e22165
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65fa492..b52a3af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.18.0 (2026-05-19)
+
+Full Changelog: [v0.17.1...v0.18.0](https://github.com/moderation-api/sdk-php/compare/v0.17.1...v0.18.0)
+
+### Features
+
+* **api:** api update ([c085de0](https://github.com/moderation-api/sdk-php/commit/c085de01b60348f21a6b50e051d60daf5df53f40))
+
 ## 0.17.1 (2026-05-12)
 
 Full Changelog: [v0.17.0...v0.17.1](https://github.com/moderation-api/sdk-php/compare/v0.17.0...v0.17.1)
diff --git a/README.md b/README.md
index bc7b771..7dd8a9e 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ The REST API documentation can be found on [docs.moderationapi.com](https://docs
 <!-- x-release-please-start-version -->
 
 ```
-composer require "moderation-api/sdk-php 0.17.1"
+composer require "moderation-api/sdk-php 0.18.0"
 ```
 
 <!-- x-release-please-end -->
@@ -29,7 +29,7 @@ use ModerationAPI\Client;
 $client = new Client(secretKey: getenv('MODAPI_SECRET_KEY') ?: 'My Secret Key');
 
 $response = $client->content->submit(
-  content: ['text' => 'x', 'type' => 'text']
+  content: ['text' => 'text', 'type' => 'text']
 );
 
 var_dump($response->recommendation);
@@ -55,7 +55,7 @@ use ModerationAPI\Core\Exceptions\APIStatusException;
 
 try {
   $response = $client->content->submit(
-    content: ['text' => 'x', 'type' => 'text']
+    content: ['text' => 'text', 'type' => 'text']
   );
 } catch (APIConnectionException $e) {
   echo "The server could not be reached", PHP_EOL;
@@ -102,7 +102,7 @@ $client = new Client(requestOptions: ['maxRetries' => 0]);
 
 // Or, configure per-request:
 $result = $client->content->submit(
-  content: ['text' => 'x', 'type' => 'text'],
+  content: ['text' => 'text', 'type' => 'text'],
   requestOptions: ['maxRetries' => 5],
 );
 ```
@@ -121,7 +121,7 @@ Note: the `extra*` parameters of the same name overrides the documented paramete
 <?php
 
 $response = $client->content->submit(
-  content: ['text' => 'x', 'type' => 'text'],
+  content: ['text' => 'text', 'type' => 'text'],
   requestOptions: [
     'extraQueryParams' => ['my_query_parameter' => 'value'],
     'extraBodyParams' => ['my_body_parameter' => 'value'],
diff --git a/src/Version.php b/src/Version.php
index fe855a0..4db64c9 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -5,5 +5,5 @@
 namespace ModerationAPI;
 
 // x-release-please-start-version
-const VERSION = '0.17.1';
+const VERSION = '0.18.0';
 // x-release-please-end
diff --git a/tests/ClientTest.php b/tests/ClientTest.php
index 11bca54..f0a9c87 100644
--- a/tests/ClientTest.php
+++ b/tests/ClientTest.php
@@ -32,7 +32,7 @@ public function testDefaultHeaders(): void
             requestOptions: ['transporter' => $transporter],
         );
 
-        $client->content->submit(content: ['text' => 'x', 'type' => 'text']);
+        $client->content->submit(content: ['text' => 'text', 'type' => 'text']);
 
         $this->assertNotFalse($requested = $transporter->getRequests()[0] ?? false);
 
diff --git a/tests/Services/ContentTest.php b/tests/Services/ContentTest.php
index 59e6bfb..542a67e 100644
--- a/tests/Services/ContentTest.php
+++ b/tests/Services/ContentTest.php
@@ -36,7 +36,7 @@ public function testSubmit(): void
         }
 
         $result = $this->client->content->submit(
-            content: ['text' => 'x', 'type' => 'text']
+            content: ['text' => 'text', 'type' => 'text']
         );
 
         // @phpstan-ignore-next-line method.alreadyNarrowedType
@@ -51,7 +51,7 @@ public function testSubmitWithOptionalParams(): void
         }
 
         $result = $this->client->content->submit(
-            content: ['text' => 'x', 'type' => 'text'],
+            content: ['text' => 'text', 'type' => 'text'],
             authorID: 'authorId',
             channel: 'channel',
             contentID: 'contentId',