diff --git a/codegen/Marketing/Transactional/Api/PublicSmtpTokensApi.php b/codegen/Marketing/Transactional/Api/PublicSMTPTokensApi.php
similarity index 99%
rename from codegen/Marketing/Transactional/Api/PublicSmtpTokensApi.php
rename to codegen/Marketing/Transactional/Api/PublicSMTPTokensApi.php
index e38871c3..9d3a821a 100644
--- a/codegen/Marketing/Transactional/Api/PublicSmtpTokensApi.php
+++ b/codegen/Marketing/Transactional/Api/PublicSMTPTokensApi.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * PublicSmtpTokensApi
+ * PublicSMTPTokensApi
  * PHP version 7.4
  *
  * @category Class
@@ -10,7 +10,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
@@ -40,14 +40,14 @@
 use HubSpot\Client\Marketing\Transactional\ObjectSerializer;
 
 /**
- * PublicSmtpTokensApi Class Doc Comment
+ * PublicSMTPTokensApi Class Doc Comment
  *
  * @category Class
  * @package  HubSpot\Client\Marketing\Transactional
  * @author   OpenAPI Generator team
  * @link     https://openapi-generator.tech
  */
-class PublicSmtpTokensApi
+class PublicSMTPTokensApi
 {
     /**
      * @var ClientInterface
diff --git a/codegen/Marketing/Transactional/Api/SingleSendApi.php b/codegen/Marketing/Transactional/Api/SingleSendApi.php
index c747d15c..6199808e 100644
--- a/codegen/Marketing/Transactional/Api/SingleSendApi.php
+++ b/codegen/Marketing/Transactional/Api/SingleSendApi.php
@@ -10,7 +10,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/ApiException.php b/codegen/Marketing/Transactional/ApiException.php
index efdc7b2f..12b98e74 100644
--- a/codegen/Marketing/Transactional/ApiException.php
+++ b/codegen/Marketing/Transactional/ApiException.php
@@ -10,7 +10,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Configuration.php b/codegen/Marketing/Transactional/Configuration.php
index e36e6992..4ed6238a 100644
--- a/codegen/Marketing/Transactional/Configuration.php
+++ b/codegen/Marketing/Transactional/Configuration.php
@@ -10,7 +10,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/HeaderSelector.php b/codegen/Marketing/Transactional/HeaderSelector.php
index 2aec7869..99334fea 100644
--- a/codegen/Marketing/Transactional/HeaderSelector.php
+++ b/codegen/Marketing/Transactional/HeaderSelector.php
@@ -10,7 +10,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/CollectionResponseSmtpApiTokenViewForwardPaging.php b/codegen/Marketing/Transactional/Model/CollectionResponseSmtpApiTokenViewForwardPaging.php
index f90cfd32..2fa81510 100644
--- a/codegen/Marketing/Transactional/Model/CollectionResponseSmtpApiTokenViewForwardPaging.php
+++ b/codegen/Marketing/Transactional/Model/CollectionResponseSmtpApiTokenViewForwardPaging.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/EmailSendStatusView.php b/codegen/Marketing/Transactional/Model/EmailSendStatusView.php
index 23b6a8f1..ce06412a 100644
--- a/codegen/Marketing/Transactional/Model/EmailSendStatusView.php
+++ b/codegen/Marketing/Transactional/Model/EmailSendStatusView.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/Error.php b/codegen/Marketing/Transactional/Model/Error.php
index 83b81f44..2a74a0f7 100644
--- a/codegen/Marketing/Transactional/Model/Error.php
+++ b/codegen/Marketing/Transactional/Model/Error.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/ErrorDetail.php b/codegen/Marketing/Transactional/Model/ErrorDetail.php
index 4fc52ff8..55ff9056 100644
--- a/codegen/Marketing/Transactional/Model/ErrorDetail.php
+++ b/codegen/Marketing/Transactional/Model/ErrorDetail.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/EventIdView.php b/codegen/Marketing/Transactional/Model/EventIdView.php
index dd1ef48b..d7038f9c 100644
--- a/codegen/Marketing/Transactional/Model/EventIdView.php
+++ b/codegen/Marketing/Transactional/Model/EventIdView.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/ForwardPaging.php b/codegen/Marketing/Transactional/Model/ForwardPaging.php
index 2eacb742..180f9502 100644
--- a/codegen/Marketing/Transactional/Model/ForwardPaging.php
+++ b/codegen/Marketing/Transactional/Model/ForwardPaging.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/ModelInterface.php b/codegen/Marketing/Transactional/Model/ModelInterface.php
index 5aee0eb4..0ac74a6d 100644
--- a/codegen/Marketing/Transactional/Model/ModelInterface.php
+++ b/codegen/Marketing/Transactional/Model/ModelInterface.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/NextPage.php b/codegen/Marketing/Transactional/Model/NextPage.php
index 6f98518a..4d55bc3d 100644
--- a/codegen/Marketing/Transactional/Model/NextPage.php
+++ b/codegen/Marketing/Transactional/Model/NextPage.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/PublicSingleSendEmail.php b/codegen/Marketing/Transactional/Model/PublicSingleSendEmail.php
index 72484bfd..8a03668b 100644
--- a/codegen/Marketing/Transactional/Model/PublicSingleSendEmail.php
+++ b/codegen/Marketing/Transactional/Model/PublicSingleSendEmail.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/PublicSingleSendRequestEgg.php b/codegen/Marketing/Transactional/Model/PublicSingleSendRequestEgg.php
index c7151ea7..283dc76f 100644
--- a/codegen/Marketing/Transactional/Model/PublicSingleSendRequestEgg.php
+++ b/codegen/Marketing/Transactional/Model/PublicSingleSendRequestEgg.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/SmtpApiTokenRequestEgg.php b/codegen/Marketing/Transactional/Model/SmtpApiTokenRequestEgg.php
index f08decca..d6e373e7 100644
--- a/codegen/Marketing/Transactional/Model/SmtpApiTokenRequestEgg.php
+++ b/codegen/Marketing/Transactional/Model/SmtpApiTokenRequestEgg.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/Model/SmtpApiTokenView.php b/codegen/Marketing/Transactional/Model/SmtpApiTokenView.php
index 8a9f686d..b75fedf0 100644
--- a/codegen/Marketing/Transactional/Model/SmtpApiTokenView.php
+++ b/codegen/Marketing/Transactional/Model/SmtpApiTokenView.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/codegen/Marketing/Transactional/ObjectSerializer.php b/codegen/Marketing/Transactional/ObjectSerializer.php
index 515be7fd..db8aa45d 100644
--- a/codegen/Marketing/Transactional/ObjectSerializer.php
+++ b/codegen/Marketing/Transactional/ObjectSerializer.php
@@ -11,7 +11,7 @@
  */
 
 /**
- * Transactional Single Send
+ * Marketing Transactional Single Send
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
diff --git a/lib/Discovery/Marketing/Transactional/Discovery.php b/lib/Discovery/Marketing/Transactional/Discovery.php
index a3fcca0a..332c4e9e 100644
--- a/lib/Discovery/Marketing/Transactional/Discovery.php
+++ b/lib/Discovery/Marketing/Transactional/Discovery.php
@@ -2,12 +2,12 @@
 
 namespace HubSpot\Discovery\Marketing\Transactional;
 
-use HubSpot\Client\Marketing\Transactional\Api\PublicSmtpTokensApi;
+use HubSpot\Client\Marketing\Transactional\Api\PublicSMTPTokensApi;
 use HubSpot\Client\Marketing\Transactional\Api\SingleSendApi;
 use HubSpot\Discovery\DiscoveryBase;
 
 /**
- * @method PublicSmtpTokensApi publicSmtpTokensApi()
+ * @method PublicSMTPTokensApi publicSMTPTokensApi()
  * @method SingleSendApi       singleSendApi()
  */
 class Discovery extends DiscoveryBase {}
diff --git a/tests/spec/Discovery/Marketing/Transactional/DiscoverySpec.php b/tests/spec/Discovery/Marketing/Transactional/DiscoverySpec.php
index a1d25c3c..46b6cb2e 100644
--- a/tests/spec/Discovery/Marketing/Transactional/DiscoverySpec.php
+++ b/tests/spec/Discovery/Marketing/Transactional/DiscoverySpec.php
@@ -3,7 +3,7 @@
 namespace spec\HubSpot\Discovery\Marketing\Transactional;
 
 use GuzzleHttp\Client;
-use HubSpot\Client\Marketing\Transactional\Api\PublicSmtpTokensApi;
+use HubSpot\Client\Marketing\Transactional\Api\PublicSMTPTokensApi;
 use HubSpot\Client\Marketing\Transactional\Api\SingleSendApi;
 use HubSpot\Config;
 use HubSpot\Discovery\Marketing\Transactional\Discovery;
@@ -23,7 +23,7 @@ public function it_is_initializable()
 
     public function it_creates_clients()
     {
-        $this->publicSmtpTokensApi()->shouldHaveType(PublicSmtpTokensApi::class);
+        $this->publicSMTPTokensApi()->shouldHaveType(PublicSMTPTokensApi::class);
         $this->singleSendApi()->shouldHaveType(SingleSendApi::class);
     }
 }