diff --git a/src/api/identity/entity/requests.rs b/src/api/identity/entity/requests.rs
index 1c6b5c8..fa46337 100644
--- a/src/api/identity/entity/requests.rs
+++ b/src/api/identity/entity/requests.rs
@@ -19,7 +19,7 @@ use super::responses::{
 #[builder(setter(into, strip_option), default)]
 pub struct CreateEntityRequest {
     /// Name of the entity.
-    pub name: String,
+    pub name: Option<String>,
     /// ID of the entity. If set, updates the corresponding existing entity.
     pub id: Option<String>,
     /// Metadata to be associated with the entity.
diff --git a/src/api/identity/group/requests.rs b/src/api/identity/group/requests.rs
index d2ef78a..8972e23 100644
--- a/src/api/identity/group/requests.rs
+++ b/src/api/identity/group/requests.rs
@@ -18,7 +18,7 @@ use std::{collections::HashMap, fmt::Debug};
 #[builder(setter(into, strip_option), default)]
 pub struct CreateGroupRequest {
     /// Name of the group. If set (and ID is not set), updates the corresponding existing group.
-    pub name: String,
+    pub name: Option<String>,
     /// ID of the group. If set, updates the corresponding existing group.
     pub id: Option<String>,
     /// Type of the group, internal or external. Defaults to internal.
diff --git a/src/identity/entity.rs b/src/identity/entity.rs
index c155be0..dc6b7ee 100644
--- a/src/identity/entity.rs
+++ b/src/identity/entity.rs
@@ -27,11 +27,10 @@ use crate::{
 #[instrument(skip(client, opts), err)]
 pub async fn create(
     client: &impl Client,
-    name: &str,
     opts: Option<&mut CreateEntityRequestBuilder>,
 ) -> Result<(), ClientError> {
     let mut t = CreateEntityRequest::builder();
-    let endpoint = opts.unwrap_or(&mut t).name(name).build().unwrap();
+    let endpoint = opts.unwrap_or(&mut t).build().unwrap();
     api::exec_with_empty(client, endpoint).await
 }
 
diff --git a/src/identity/group.rs b/src/identity/group.rs
index 674eb04..7716e43 100644
--- a/src/identity/group.rs
+++ b/src/identity/group.rs
@@ -24,11 +24,10 @@ use crate::{
 #[instrument(skip(client, opts), err)]
 pub async fn create(
     client: &impl Client,
-    name: &str,
     opts: Option<&mut CreateGroupRequestBuilder>,
 ) -> Result<(), ClientError> {
     let mut t = CreateGroupRequest::builder();
-    let endpoint = opts.unwrap_or(&mut t).name(name).build().unwrap();
+    let endpoint = opts.unwrap_or(&mut t).build().unwrap();
     api::exec_with_empty(client, endpoint).await
 }
 
diff --git a/tests/identity.rs b/tests/identity.rs
index 885108c..3470e83 100644
--- a/tests/identity.rs
+++ b/tests/identity.rs
@@ -93,8 +93,11 @@ fn test_group_and_group_alias() {
 async fn test_create_entity(client: &VaultClient) -> String {
     identity::entity::create(
         client,
-        ENTITY_NAME,
-        Some(&mut CreateEntityRequestBuilder::default().policies(vec![POLICY.to_string()])),
+        Some(
+            &mut CreateEntityRequestBuilder::default()
+                .policies(vec![POLICY.to_string()])
+                .name(ENTITY_NAME),
+        ),
     )
     .await
     .unwrap();
@@ -106,10 +109,10 @@ async fn test_create_entity(client: &VaultClient) -> String {
 
     identity::entity::create(
         client,
-        ENTITY_NAME,
         Some(
             &mut CreateEntityRequestBuilder::default()
                 .disabled(true)
+                .name(ENTITY_NAME)
                 .id(&entity.id),
         ),
     )
@@ -208,12 +211,18 @@ async fn test_delete_entity_by_name(client: &VaultClient) {
 }
 
 async fn test_batch_delete_entity(client: &VaultClient) {
-    identity::entity::create(client, "test-entity1", None)
-        .await
-        .unwrap();
-    identity::entity::create(client, "test-entity2", None)
-        .await
-        .unwrap();
+    identity::entity::create(
+        client,
+        Some(CreateEntityRequestBuilder::default().name("test-entity1")),
+    )
+    .await
+    .unwrap();
+    identity::entity::create(
+        client,
+        Some(CreateEntityRequestBuilder::default().name("test-entity2")),
+    )
+    .await
+    .unwrap();
     let entity1 = identity::entity::read_by_name(client, "test-entity1")
         .await
         .unwrap();
@@ -242,15 +251,24 @@ async fn test_batch_delete_entity(client: &VaultClient) {
 }
 
 async fn test_merge_entity(client: &VaultClient) {
-    identity::entity::create(client, "test-entity1", None)
-        .await
-        .unwrap();
-    identity::entity::create(client, "test-entity2", None)
-        .await
-        .unwrap();
-    identity::entity::create(client, "test-entity3", None)
-        .await
-        .unwrap();
+    identity::entity::create(
+        client,
+        Some(CreateEntityRequestBuilder::default().name("test-entity1")),
+    )
+    .await
+    .unwrap();
+    identity::entity::create(
+        client,
+        Some(CreateEntityRequestBuilder::default().name("test-entity2")),
+    )
+    .await
+    .unwrap();
+    identity::entity::create(
+        client,
+        Some(CreateEntityRequestBuilder::default().name("test-entity3")),
+    )
+    .await
+    .unwrap();
     let entity1 = identity::entity::read_by_name(client, "test-entity1")
         .await
         .unwrap();
@@ -376,8 +394,11 @@ async fn test_list_entity_alias_by_id(client: &VaultClient, alias_id: &str, expe
 async fn test_create_group(client: &VaultClient) -> String {
     identity::group::create(
         client,
-        GROUP_NAME,
-        Some(&mut CreateGroupRequestBuilder::default().policies(vec![POLICY.to_string()])),
+        Some(
+            &mut CreateGroupRequestBuilder::default()
+                .policies(vec![POLICY.to_string()])
+                .name(GROUP_NAME),
+        ),
     )
     .await
     .unwrap();
@@ -391,10 +412,10 @@ async fn test_create_group(client: &VaultClient) -> String {
     // This one it's called in "updating mode".
     identity::group::create(
         client,
-        GROUP_NAME,
         Some(
             &mut CreateGroupRequestBuilder::default()
                 .metadata(metadata.clone())
+                .name(GROUP_NAME)
                 .id(&group.id),
         ),
     )