diff --git a/pom.xml b/pom.xml
index 7803b63..31b2a04 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,7 +60,7 @@
 
     <groupId>net.andrewcpu</groupId>
     <artifactId>elevenlabs-api</artifactId>
-    <version>2.7.2</version>
+    <version>2.7.3-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/DeleteRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/DeleteRequest.java
index 33ef210..f70b6bc 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/DeleteRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/DeleteRequest.java
@@ -6,4 +6,9 @@ public abstract class DeleteRequest<T> extends ElevenLabsRequest<T> {
 	public DeleteRequest(String endpoint, Class<T> clazz) {
 		super(HttpRequestType.DELETE, endpoint, clazz);
 	}
+
+	@Override
+	public Object getPayload() {
+		return null;
+	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/GetRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/GetRequest.java
index 0773fa3..580c1cb 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/GetRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/GetRequest.java
@@ -6,4 +6,9 @@ public abstract class GetRequest<T> extends ElevenLabsRequest<T> {
 	public GetRequest(String endpoint, Class<T> clazz) {
 		super(HttpRequestType.GET, endpoint, clazz);
 	}
+
+	@Override
+	public Object getPayload() {
+		return null;
+	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/history/DeleteHistoryItemRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/history/DeleteHistoryItemRequest.java
index 9b6916d..2dacaaf 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/history/DeleteHistoryItemRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/history/DeleteHistoryItemRequest.java
@@ -6,9 +6,4 @@ public class DeleteHistoryItemRequest extends DeleteRequest<String> {
 	public DeleteHistoryItemRequest(String historyItemId) {
 		super("v1/history/" + historyItemId, String.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemAudioRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemAudioRequest.java
index dffd641..3f62fa3 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemAudioRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemAudioRequest.java
@@ -8,9 +8,4 @@ public class GetHistoryItemAudioRequest extends GetRequest<File> {
 	public GetHistoryItemAudioRequest(String historyItemId) {
 		super("v1/history/" + historyItemId + "/audio", File.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemByIdRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemByIdRequest.java
index 06c9675..4e25937 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemByIdRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryItemByIdRequest.java
@@ -7,9 +7,4 @@ public class GetHistoryItemByIdRequest extends GetRequest<HistoryItem> {
 	public GetHistoryItemByIdRequest(String historyId) {
 		super("v1/history/" + historyId, HistoryItem.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryRequest.java
index 0c2bff7..b5357c1 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/history/GetHistoryRequest.java
@@ -7,9 +7,4 @@ public class GetHistoryRequest extends GetRequest<History> {
 	public GetHistoryRequest() {
 		super("v1/history", History.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/models/GetModelsRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/models/GetModelsRequest.java
index 6309303..a3255cb 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/models/GetModelsRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/models/GetModelsRequest.java
@@ -7,9 +7,4 @@ public class GetModelsRequest extends GetRequest<GenerationTypeModel[]> {
 	public GetModelsRequest() {
 		super("v1/models", GenerationTypeModel[].class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteChapterByIdRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteChapterByIdRequest.java
index 6dd2697..44d0042 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteChapterByIdRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteChapterByIdRequest.java
@@ -7,9 +7,4 @@ public class DeleteChapterByIdRequest extends DeleteRequest<String> {
 	public DeleteChapterByIdRequest(String projectId, String chapterId) {
 		super("v1/projects/" + projectId + "/chapters/" + chapterId, String.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteProjectByIdRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteProjectByIdRequest.java
index 928f347..5faa8ee 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteProjectByIdRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/DeleteProjectByIdRequest.java
@@ -6,9 +6,4 @@ public class DeleteProjectByIdRequest extends DeleteRequest<String> {
 	public DeleteProjectByIdRequest(String projectId) {
 		super("v1/projects/" + projectId, String.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterByIdRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterByIdRequest.java
index c331cfe..1d68f88 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterByIdRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterByIdRequest.java
@@ -7,9 +7,4 @@ public class GetChapterByIdRequest extends GetRequest<Chapter> {
 	public GetChapterByIdRequest(String projectId, String chapterId) {
 		super("v1/projects/" + projectId + "/chapters/" + chapterId, Chapter.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterSnapshotsRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterSnapshotsRequest.java
index b47ba9b..253dfa0 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterSnapshotsRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetChapterSnapshotsRequest.java
@@ -8,8 +8,4 @@ public GetChapterSnapshotsRequest(String projectId, String chapterId) {
 		super("v1/projects/" + projectId + "/chapters/" + chapterId + "/snapshots", ChapterSnapshotsModelResponse.class);
 	}
 
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectByIdRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectByIdRequest.java
index 9ef998f..1f2e1d2 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectByIdRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectByIdRequest.java
@@ -7,9 +7,4 @@ public class GetProjectByIdRequest extends GetRequest<Project> {
 	public GetProjectByIdRequest(String projectId) {
 		super("v1/projects/" + projectId, Project.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectChaptersRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectChaptersRequest.java
index e6689ed..e088f07 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectChaptersRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectChaptersRequest.java
@@ -7,9 +7,4 @@ public class GetProjectChaptersRequest extends GetRequest<ChaptersModelResponse>
 	public GetProjectChaptersRequest(String projectId) {
 		super("v1/projects/" + projectId + "/chapters", ChaptersModelResponse.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectSnapshotsRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectSnapshotsRequest.java
index 3e42784..3e7d1aa 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectSnapshotsRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectSnapshotsRequest.java
@@ -7,9 +7,4 @@ public class GetProjectSnapshotsRequest extends GetRequest<ProjectSnapshotsModel
 	public GetProjectSnapshotsRequest(String projectId) {
 		super("v1/projects/" + projectId + "/snapshots", ProjectSnapshotsModelResponse.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectsRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectsRequest.java
index 41bdaab..a5d2df3 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectsRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/projects/GetProjectsRequest.java
@@ -7,9 +7,4 @@ public class GetProjectsRequest extends GetRequest<ProjectsModelResponse> {
 	public GetProjectsRequest() {
 		super("v1/projects", ProjectsModelResponse.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/samples/DeleteSampleRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/samples/DeleteSampleRequest.java
index 487bc36..cf8749e 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/samples/DeleteSampleRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/samples/DeleteSampleRequest.java
@@ -6,9 +6,4 @@ public class DeleteSampleRequest extends DeleteRequest<String> {
 	public DeleteSampleRequest(String voiceId, String sampleId) {
 		super("v1/voices/" + voiceId + "/samples/" + sampleId, String.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/samples/GetSampleRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/samples/GetSampleRequest.java
index 6c70b04..4334cd0 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/samples/GetSampleRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/samples/GetSampleRequest.java
@@ -8,9 +8,4 @@ public class GetSampleRequest extends GetRequest<File> {
 	public GetSampleRequest(String voiceId, String sampleId) {
 		super("v1/voices/" + voiceId + "/samples/" + sampleId + "/audio", File.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetSubscriptionRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetSubscriptionRequest.java
index d50a752..0a0a13f 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetSubscriptionRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetSubscriptionRequest.java
@@ -8,9 +8,4 @@ public class GetSubscriptionRequest extends GetRequest<Subscription> {
 	public GetSubscriptionRequest() {
 		super("v1/user/subscription", Subscription.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetUserRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetUserRequest.java
index d2ffa47..e6ac653 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetUserRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/user/GetUserRequest.java
@@ -7,9 +7,4 @@ public class GetUserRequest extends GetRequest<User> {
 	public GetUserRequest() {
 		super("v1/user", User.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/DeleteVoiceRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/DeleteVoiceRequest.java
index 4217dbe..42e32d9 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/DeleteVoiceRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/DeleteVoiceRequest.java
@@ -6,9 +6,4 @@ public class DeleteVoiceRequest extends DeleteRequest<String> {
 	public DeleteVoiceRequest(String voiceId) {
 		super("v1/voices/" + voiceId, String.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetDefaultVoiceSettingsRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetDefaultVoiceSettingsRequest.java
index 19645f0..8ea23e8 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetDefaultVoiceSettingsRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetDefaultVoiceSettingsRequest.java
@@ -7,9 +7,4 @@ public class GetDefaultVoiceSettingsRequest extends GetRequest<VoiceSettings> {
 	public GetDefaultVoiceSettingsRequest() {
 		super("v1/voices/settings/default", VoiceSettings.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceRequest.java
index 479a788..b839d88 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceRequest.java
@@ -26,8 +26,4 @@ public Map<String, String> getQueryParameters() {
 		return payload;
 	}
 
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceSettingsRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceSettingsRequest.java
index bf6c917..0e00c36 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceSettingsRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoiceSettingsRequest.java
@@ -7,9 +7,4 @@ public class GetVoiceSettingsRequest extends GetRequest<VoiceSettings> {
 	public GetVoiceSettingsRequest(String voiceId) {
 		super("v1/voices/" + voiceId + "/settings", VoiceSettings.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }
diff --git a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoicesRequest.java b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoicesRequest.java
index f2a25cb..4d5f9cc 100644
--- a/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoicesRequest.java
+++ b/src/main/java/net/andrewcpu/elevenlabs/requests/voices/GetVoicesRequest.java
@@ -7,9 +7,4 @@ public class GetVoicesRequest extends GetRequest<VoiceModelResponse> {
 	public GetVoicesRequest() {
 		super("v1/voices", VoiceModelResponse.class);
 	}
-
-	@Override
-	public Object getPayload() {
-		return null;
-	}
 }