diff --git a/src/Elastic.Clients.Elasticsearch.Shared/Api/ExistsResponse.cs b/src/Elastic.Clients.Elasticsearch.Shared/Api/ExistsResponse.cs
new file mode 100644
index 00000000000..2f92cd51777
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch.Shared/Api/ExistsResponse.cs
@@ -0,0 +1,19 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using Elastic.Transport.Products.Elasticsearch;
+
+#if ELASTICSEARCH_SERVERLESS
+namespace Elastic.Clients.Elasticsearch.Serverless;
+#else
+namespace Elastic.Clients.Elasticsearch;
+#endif
+
+public sealed partial class ExistsResponse : ElasticsearchResponse
+{
+	public bool Exists => ApiCallDetails is
+	{
+		HasSuccessfulStatusCode: true, HttpStatusCode: 200
+	};
+}
diff --git a/src/Elastic.Clients.Elasticsearch.Shared/Api/ExistsSourceResponse.cs b/src/Elastic.Clients.Elasticsearch.Shared/Api/ExistsSourceResponse.cs
new file mode 100644
index 00000000000..6e537053a64
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch.Shared/Api/ExistsSourceResponse.cs
@@ -0,0 +1,19 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using Elastic.Transport.Products.Elasticsearch;
+
+#if ELASTICSEARCH_SERVERLESS
+namespace Elastic.Clients.Elasticsearch.Serverless;
+#else
+namespace Elastic.Clients.Elasticsearch;
+#endif
+
+public sealed partial class ExistsSourceResponse : ElasticsearchResponse
+{
+	public bool Exists => ApiCallDetails is
+	{
+		HasSuccessfulStatusCode: true, HttpStatusCode: 200
+	};
+}
diff --git a/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsAliasResponse.cs b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsAliasResponse.cs
new file mode 100644
index 00000000000..e55df48a596
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsAliasResponse.cs
@@ -0,0 +1,19 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using Elastic.Transport.Products.Elasticsearch;
+
+#if ELASTICSEARCH_SERVERLESS
+namespace Elastic.Clients.Elasticsearch.IndexManagement.Serverless;
+#else
+namespace Elastic.Clients.Elasticsearch.IndexManagement;
+#endif
+
+public sealed partial class ExistsAliasResponse : ElasticsearchResponse
+{
+	public bool Exists => ApiCallDetails is
+	{
+		HasSuccessfulStatusCode: true, HttpStatusCode: 200
+	};
+}
diff --git a/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsIndexTemplateResponse.cs b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsIndexTemplateResponse.cs
new file mode 100644
index 00000000000..90167ab564e
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsIndexTemplateResponse.cs
@@ -0,0 +1,19 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using Elastic.Transport.Products.Elasticsearch;
+
+#if ELASTICSEARCH_SERVERLESS
+namespace Elastic.Clients.Elasticsearch.IndexManagement.Serverless;
+#else
+namespace Elastic.Clients.Elasticsearch.IndexManagement;
+#endif
+
+public sealed partial class ExistsIndexTemplateResponse : ElasticsearchResponse
+{
+	public bool Exists => ApiCallDetails is
+	{
+		HasSuccessfulStatusCode: true, HttpStatusCode: 200
+	};
+}
diff --git a/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsResponse.cs b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsResponse.cs
new file mode 100644
index 00000000000..26cd81fcce8
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsResponse.cs
@@ -0,0 +1,19 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using Elastic.Transport.Products.Elasticsearch;
+
+#if ELASTICSEARCH_SERVERLESS
+namespace Elastic.Clients.Elasticsearch.Serverless.IndexManagement;
+#else
+namespace Elastic.Clients.Elasticsearch.IndexManagement;
+#endif
+
+public sealed partial class ExistsResponse : ElasticsearchResponse
+{
+	public bool Exists => ApiCallDetails is
+	{
+		HasSuccessfulStatusCode: true, HttpStatusCode: 200
+	};
+}
diff --git a/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsTemplateResponse.cs b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsTemplateResponse.cs
new file mode 100644
index 00000000000..fd93d348d2f
--- /dev/null
+++ b/src/Elastic.Clients.Elasticsearch.Shared/Api/IndexManagement/ExistsTemplateResponse.cs
@@ -0,0 +1,19 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information.
+
+using Elastic.Transport.Products.Elasticsearch;
+
+#if ELASTICSEARCH_SERVERLESS
+namespace Elastic.Clients.Elasticsearch.IndexManagement.Serverless;
+#else
+namespace Elastic.Clients.Elasticsearch.IndexManagement;
+#endif
+
+public sealed partial class ExistsTemplateResponse : ElasticsearchResponse
+{
+	public bool Exists => ApiCallDetails is
+	{
+		HasSuccessfulStatusCode: true, HttpStatusCode: 200
+	};
+}