diff --git a/examples/java/src/main/java/com/twilio/rest/api/v2010/AccountCreator.java b/examples/java/src/main/java/com/twilio/rest/api/v2010/AccountCreator.java
index b0462ac6c..76bae202a 100644
--- a/examples/java/src/main/java/com/twilio/rest/api/v2010/AccountCreator.java
+++ b/examples/java/src/main/java/com/twilio/rest/api/v2010/AccountCreator.java
@@ -46,6 +46,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 
 import lombok.ToString;
 
@@ -133,7 +134,6 @@ private void addPostParams(final Request request) {
     private void addHeaderParams(final Request request) {
         if (xTwilioWebhookEnabled != null) {
             request.addHeaderParam("X-Twilio-Webhook-Enabled", xTwilioWebhookEnabled.toString());
-
         }
     }
 }
diff --git a/examples/java/src/main/java/com/twilio/rest/api/v2010/account/CallCreator.java b/examples/java/src/main/java/com/twilio/rest/api/v2010/account/CallCreator.java
index 1db83a29d..95296e653 100644
--- a/examples/java/src/main/java/com/twilio/rest/api/v2010/account/CallCreator.java
+++ b/examples/java/src/main/java/com/twilio/rest/api/v2010/account/CallCreator.java
@@ -46,6 +46,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 
 import lombok.ToString;
 
diff --git a/examples/java/src/main/java/com/twilio/rest/flexapi/v1/credential/NewCredentialsCreator.java b/examples/java/src/main/java/com/twilio/rest/flexapi/v1/credential/NewCredentialsCreator.java
index 16c7a7bbc..83fd1e508 100644
--- a/examples/java/src/main/java/com/twilio/rest/flexapi/v1/credential/NewCredentialsCreator.java
+++ b/examples/java/src/main/java/com/twilio/rest/flexapi/v1/credential/NewCredentialsCreator.java
@@ -46,6 +46,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 
 import lombok.ToString;
 
diff --git a/examples/java/src/main/java/com/twilio/rest/versionless/deployedDevices/FleetCreator.java b/examples/java/src/main/java/com/twilio/rest/versionless/deployedDevices/FleetCreator.java
index c5a678a96..6d21581af 100644
--- a/examples/java/src/main/java/com/twilio/rest/versionless/deployedDevices/FleetCreator.java
+++ b/examples/java/src/main/java/com/twilio/rest/versionless/deployedDevices/FleetCreator.java
@@ -46,6 +46,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 
 import lombok.ToString;
 
diff --git a/src/main/java/com/twilio/oai/api/JavaApiResourceBuilder.java b/src/main/java/com/twilio/oai/api/JavaApiResourceBuilder.java
index f406ba657..d28bcef2b 100644
--- a/src/main/java/com/twilio/oai/api/JavaApiResourceBuilder.java
+++ b/src/main/java/com/twilio/oai/api/JavaApiResourceBuilder.java
@@ -118,6 +118,7 @@ public ApiResourceBuilder updateOperations(Resolver<CodegenParameter> codegenPar
                     .map(item -> codegenParameterIResolver.resolve(item, this))
                     .map(item -> conventionResolver.resolveEnumParameter(item, resourceName))
                     .collect(Collectors.toList());
+            processDataTypesForParams(co.headerParams); 
             co.optionalParams = co.optionalParams
                     .stream()
                     .map(item -> codegenParameterIResolver.resolve(item, this))
diff --git a/src/main/resources/twilio-java/creator.mustache b/src/main/resources/twilio-java/creator.mustache
index 80b01dc21..3ae5b20e9 100644
--- a/src/main/resources/twilio-java/creator.mustache
+++ b/src/main/resources/twilio-java/creator.mustache
@@ -35,6 +35,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 {{/fullJavaUtil}}
 
 import lombok.ToString;