diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index bc4724b..ca3496a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.17.1"
+  ".": "2.18.0"
 }
\ 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 4098098..6aced00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 2.18.0 (2026-05-19)
+
+Full Changelog: [v2.17.1...v2.18.0](https://github.com/moderation-api/sdk-ruby/compare/v2.17.1...v2.18.0)
+
+### Features
+
+* **api:** api update ([0b267b1](https://github.com/moderation-api/sdk-ruby/commit/0b267b13d3574e2c3b9d88114502d81541f595c1))
+
 ## 2.17.1 (2026-05-14)
 
 Full Changelog: [v2.17.0...v2.17.1](https://github.com/moderation-api/sdk-ruby/compare/v2.17.0...v2.17.1)
diff --git a/Gemfile.lock b/Gemfile.lock
index 3e4c4c7..83860cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    moderation_api (2.17.1)
+    moderation_api (2.18.0)
       cgi
       connection_pool
 
diff --git a/README.md b/README.md
index d9080b7..0ea1e80 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "moderation_api", "~> 2.17.1"
+gem "moderation_api", "~> 2.18.0"
 ```
 
 <!-- x-release-please-end -->
@@ -30,7 +30,7 @@ moderation_api = ModerationAPI::Client.new(
   secret_key: ENV["MODAPI_SECRET_KEY"] # This is the default and can be omitted
 )
 
-response = moderation_api.content.submit(content: {text: "x", type: "text"})
+response = moderation_api.content.submit(content: {text: "text", type: "text"})
 
 puts(response.recommendation)
 ```
@@ -41,7 +41,7 @@ When the library is unable to connect to the API, or if the API returns a non-su
 
 ```ruby
 begin
-  content = moderation_api.content.submit(content: {text: "x", type: "text"})
+  content = moderation_api.content.submit(content: {text: "text", type: "text"})
 rescue ModerationAPI::Errors::APIConnectionError => e
   puts("The server could not be reached")
   puts(e.cause)  # an underlying Exception, likely raised within `net/http`
@@ -84,7 +84,7 @@ moderation_api = ModerationAPI::Client.new(
 )
 
 # Or, configure per-request:
-moderation_api.content.submit(content: {text: "x", type: "text"}, request_options: {max_retries: 5})
+moderation_api.content.submit(content: {text: "text", type: "text"}, request_options: {max_retries: 5})
 ```
 
 ### Timeouts
@@ -98,7 +98,7 @@ moderation_api = ModerationAPI::Client.new(
 )
 
 # Or, configure per-request:
-moderation_api.content.submit(content: {text: "x", type: "text"}, request_options: {timeout: 5})
+moderation_api.content.submit(content: {text: "text", type: "text"}, request_options: {timeout: 5})
 ```
 
 On timeout, `ModerationAPI::Errors::APITimeoutError` is raised.
@@ -130,7 +130,7 @@ Note: the `extra_` parameters of the same name overrides the documented paramete
 ```ruby
 response =
   moderation_api.content.submit(
-    content: {text: "x", type: "text"},
+    content: {text: "text", type: "text"},
     request_options: {
       extra_query: {my_query_parameter: value},
       extra_body: {my_body_parameter: value},
@@ -176,18 +176,20 @@ This library provides comprehensive [RBI](https://sorbet.org/docs/rbi) definitio
 You can provide typesafe request parameters like so:
 
 ```ruby
-moderation_api.content.submit(content: ModerationAPI::ContentSubmitParams::Content::Text.new(text: "x"))
+moderation_api.content.submit(
+  content: ModerationAPI::ContentSubmitParams::Content::Text.new(text: "text")
+)
 ```
 
 Or, equivalently:
 
 ```ruby
 # Hashes work, but are not typesafe:
-moderation_api.content.submit(content: {text: "x", type: "text"})
+moderation_api.content.submit(content: {text: "text", type: "text"})
 
 # You can also splat a full Params class:
 params = ModerationAPI::ContentSubmitParams.new(
-  content: ModerationAPI::ContentSubmitParams::Content::Text.new(text: "x")
+  content: ModerationAPI::ContentSubmitParams::Content::Text.new(text: "text")
 )
 moderation_api.content.submit(**params)
 ```
diff --git a/lib/moderation_api/version.rb b/lib/moderation_api/version.rb
index 846b8d8..4746e1c 100644
--- a/lib/moderation_api/version.rb
+++ b/lib/moderation_api/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ModerationAPI
-  VERSION = "2.17.1"
+  VERSION = "2.18.0"
 end
diff --git a/test/moderation_api/client_test.rb b/test/moderation_api/client_test.rb
index 23b5dcc..536ef90 100644
--- a/test/moderation_api/client_test.rb
+++ b/test/moderation_api/client_test.rb
@@ -40,7 +40,7 @@ def test_client_default_request_default_retry_attempts
     moderation_api = ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key")
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text})
+      moderation_api.content.submit(content: {text: "text", type: :text})
     end
 
     assert_requested(:any, /./, times: 3)
@@ -53,7 +53,7 @@ def test_client_given_request_default_retry_attempts
       ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key", max_retries: 3)
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text})
+      moderation_api.content.submit(content: {text: "text", type: :text})
     end
 
     assert_requested(:any, /./, times: 4)
@@ -65,7 +65,7 @@ def test_client_default_request_given_retry_attempts
     moderation_api = ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key")
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text}, request_options: {max_retries: 3})
+      moderation_api.content.submit(content: {text: "text", type: :text}, request_options: {max_retries: 3})
     end
 
     assert_requested(:any, /./, times: 4)
@@ -78,7 +78,7 @@ def test_client_given_request_given_retry_attempts
       ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key", max_retries: 3)
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text}, request_options: {max_retries: 4})
+      moderation_api.content.submit(content: {text: "text", type: :text}, request_options: {max_retries: 4})
     end
 
     assert_requested(:any, /./, times: 5)
@@ -95,7 +95,7 @@ def test_client_retry_after_seconds
       ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key", max_retries: 1)
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text})
+      moderation_api.content.submit(content: {text: "text", type: :text})
     end
 
     assert_requested(:any, /./, times: 2)
@@ -116,7 +116,7 @@ def test_client_retry_after_date
 
     Thread.current.thread_variable_set(:time_now, time_now)
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text})
+      moderation_api.content.submit(content: {text: "text", type: :text})
     end
     Thread.current.thread_variable_set(:time_now, nil)
 
@@ -135,7 +135,7 @@ def test_client_retry_after_ms
       ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key", max_retries: 1)
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text})
+      moderation_api.content.submit(content: {text: "text", type: :text})
     end
 
     assert_requested(:any, /./, times: 2)
@@ -148,7 +148,7 @@ def test_retry_count_header
     moderation_api = ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key")
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
-      moderation_api.content.submit(content: {text: "x", type: :text})
+      moderation_api.content.submit(content: {text: "text", type: :text})
     end
 
     3.times do
@@ -163,7 +163,7 @@ def test_omit_retry_count_header
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
       moderation_api.content.submit(
-        content: {text: "x", type: :text},
+        content: {text: "text", type: :text},
         request_options: {extra_headers: {"x-stainless-retry-count" => nil}}
       )
     end
@@ -180,7 +180,7 @@ def test_overwrite_retry_count_header
 
     assert_raises(ModerationAPI::Errors::InternalServerError) do
       moderation_api.content.submit(
-        content: {text: "x", type: :text},
+        content: {text: "text", type: :text},
         request_options: {extra_headers: {"x-stainless-retry-count" => "42"}}
       )
     end
@@ -202,7 +202,10 @@ def test_client_redirect_307
     moderation_api = ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key")
 
     assert_raises(ModerationAPI::Errors::APIConnectionError) do
-      moderation_api.content.submit(content: {text: "x", type: :text}, request_options: {extra_headers: {}})
+      moderation_api.content.submit(
+        content: {text: "text", type: :text},
+        request_options: {extra_headers: {}}
+      )
     end
 
     recorded, = WebMock::RequestRegistry.instance.requested_signatures.hash.first
@@ -231,7 +234,10 @@ def test_client_redirect_303
     moderation_api = ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key")
 
     assert_raises(ModerationAPI::Errors::APIConnectionError) do
-      moderation_api.content.submit(content: {text: "x", type: :text}, request_options: {extra_headers: {}})
+      moderation_api.content.submit(
+        content: {text: "text", type: :text},
+        request_options: {extra_headers: {}}
+      )
     end
 
     assert_requested(:get, "http://localhost/redirected", times: ModerationAPI::Client::MAX_REDIRECTS) do
@@ -256,7 +262,7 @@ def test_client_redirect_auth_keep_same_origin
 
     assert_raises(ModerationAPI::Errors::APIConnectionError) do
       moderation_api.content.submit(
-        content: {text: "x", type: :text},
+        content: {text: "text", type: :text},
         request_options: {extra_headers: {"authorization" => "Bearer xyz"}}
       )
     end
@@ -286,7 +292,7 @@ def test_client_redirect_auth_strip_cross_origin
 
     assert_raises(ModerationAPI::Errors::APIConnectionError) do
       moderation_api.content.submit(
-        content: {text: "x", type: :text},
+        content: {text: "text", type: :text},
         request_options: {extra_headers: {"authorization" => "Bearer xyz"}}
       )
     end
@@ -302,7 +308,7 @@ def test_default_headers
 
     moderation_api = ModerationAPI::Client.new(base_url: "http://localhost", secret_key: "My Secret Key")
 
-    moderation_api.content.submit(content: {text: "x", type: :text})
+    moderation_api.content.submit(content: {text: "text", type: :text})
 
     assert_requested(:any, /./) do |req|
       headers = req.headers.transform_keys(&:downcase)
diff --git a/test/moderation_api/resources/content_test.rb b/test/moderation_api/resources/content_test.rb
index dfda731..9724978 100644
--- a/test/moderation_api/resources/content_test.rb
+++ b/test/moderation_api/resources/content_test.rb
@@ -6,7 +6,7 @@ class ModerationAPI::Test::Resources::ContentTest < ModerationAPI::Test::Resourc
   def test_submit_required_params
     skip("Mock server tests are disabled")
 
-    response = @moderation_api.content.submit(content: {text: "x", type: :text})
+    response = @moderation_api.content.submit(content: {text: "text", type: :text})
 
     assert_pattern do
       response => ModerationAPI::Models::ContentSubmitResponse