diff --git a/scaleway-async/scaleway_async/mongodb/v1alpha1/__init__.py b/scaleway-async/scaleway_async/mongodb/v1alpha1/__init__.py
index 0fd1e118d..ead557620 100644
--- a/scaleway-async/scaleway_async/mongodb/v1alpha1/__init__.py
+++ b/scaleway-async/scaleway_async/mongodb/v1alpha1/__init__.py
@@ -30,6 +30,7 @@
 from .types import RestoreSnapshotRequestVolumeDetails
 from .types import CreateInstanceRequest
 from .types import CreateSnapshotRequest
+from .types import CreateUserRequest
 from .types import DeleteInstanceRequest
 from .types import DeleteSnapshotRequest
 from .types import GetInstanceCertificateRequest
@@ -83,6 +84,7 @@
     "RestoreSnapshotRequestVolumeDetails",
     "CreateInstanceRequest",
     "CreateSnapshotRequest",
+    "CreateUserRequest",
     "DeleteInstanceRequest",
     "DeleteSnapshotRequest",
     "GetInstanceCertificateRequest",
diff --git a/scaleway-async/scaleway_async/mongodb/v1alpha1/api.py b/scaleway-async/scaleway_async/mongodb/v1alpha1/api.py
index 9d8c0dca0..78883abbf 100644
--- a/scaleway-async/scaleway_async/mongodb/v1alpha1/api.py
+++ b/scaleway-async/scaleway_async/mongodb/v1alpha1/api.py
@@ -24,6 +24,7 @@
     CreateInstanceRequest,
     CreateInstanceRequestVolumeDetails,
     CreateSnapshotRequest,
+    CreateUserRequest,
     EndpointSpec,
     Instance,
     ListInstancesResponse,
@@ -57,6 +58,7 @@
     unmarshal_ListVersionsResponse,
     marshal_CreateInstanceRequest,
     marshal_CreateSnapshotRequest,
+    marshal_CreateUserRequest,
     marshal_RestoreSnapshotRequest,
     marshal_UpdateInstanceRequest,
     marshal_UpdateSnapshotRequest,
@@ -1070,6 +1072,55 @@ async def list_users_all(
             },
         )
 
+    async def create_user(
+        self,
+        *,
+        instance_id: str,
+        name: str,
+        region: Optional[Region] = None,
+        password: Optional[str] = None,
+    ) -> User:
+        """
+        Create an user on a Database Instance.
+        Create an user on a Database Instance. You must define the `name`, `password` of the user and `instance_id` parameters in the request.
+        :param instance_id: UUID of the Database Instance the user belongs to.
+        :param name: Name of the database user.
+        :param region: Region to target. If none is passed will use default region from the config.
+        :param password: Password of the database user.
+        :return: :class:`User <User>`
+
+        Usage:
+        ::
+
+            result = await api.create_user(
+                instance_id="example",
+                name="example",
+            )
+        """
+
+        param_region = validate_path_param(
+            "region", region or self.client.default_region
+        )
+        param_instance_id = validate_path_param("instance_id", instance_id)
+        param_name = validate_path_param("name", name)
+
+        res = self._request(
+            "POST",
+            f"/mongodb/v1alpha1/regions/{param_region}/instances/{param_instance_id}/users/{param_name}",
+            body=marshal_CreateUserRequest(
+                CreateUserRequest(
+                    instance_id=instance_id,
+                    name=name,
+                    region=region,
+                    password=password,
+                ),
+                self.client,
+            ),
+        )
+
+        self._throw_on_error(res)
+        return unmarshal_User(res.json())
+
     async def update_user(
         self,
         *,
diff --git a/scaleway-async/scaleway_async/mongodb/v1alpha1/marshalling.py b/scaleway-async/scaleway_async/mongodb/v1alpha1/marshalling.py
index d486ad668..a59cdf460 100644
--- a/scaleway-async/scaleway_async/mongodb/v1alpha1/marshalling.py
+++ b/scaleway-async/scaleway_async/mongodb/v1alpha1/marshalling.py
@@ -34,6 +34,7 @@
     EndpointSpec,
     CreateInstanceRequest,
     CreateSnapshotRequest,
+    CreateUserRequest,
     RestoreSnapshotRequestVolumeDetails,
     RestoreSnapshotRequest,
     UpdateInstanceRequest,
@@ -708,6 +709,18 @@ def marshal_CreateSnapshotRequest(
     return output
 
 
+def marshal_CreateUserRequest(
+    request: CreateUserRequest,
+    defaults: ProfileDefaults,
+) -> Dict[str, Any]:
+    output: Dict[str, Any] = {}
+
+    if request.password is not None:
+        output["password"] = request.password
+
+    return output
+
+
 def marshal_RestoreSnapshotRequestVolumeDetails(
     request: RestoreSnapshotRequestVolumeDetails,
     defaults: ProfileDefaults,
diff --git a/scaleway-async/scaleway_async/mongodb/v1alpha1/types.py b/scaleway-async/scaleway_async/mongodb/v1alpha1/types.py
index 3139e0454..fec93e393 100644
--- a/scaleway-async/scaleway_async/mongodb/v1alpha1/types.py
+++ b/scaleway-async/scaleway_async/mongodb/v1alpha1/types.py
@@ -592,6 +592,29 @@ class CreateSnapshotRequest:
     """
 
 
+@dataclass
+class CreateUserRequest:
+    instance_id: str
+    """
+    UUID of the Database Instance the user belongs to.
+    """
+
+    name: str
+    """
+    Name of the database user.
+    """
+
+    region: Optional[Region]
+    """
+    Region to target. If none is passed will use default region from the config.
+    """
+
+    password: Optional[str]
+    """
+    Password of the database user.
+    """
+
+
 @dataclass
 class DeleteInstanceRequest:
     instance_id: str
diff --git a/scaleway/scaleway/mongodb/v1alpha1/__init__.py b/scaleway/scaleway/mongodb/v1alpha1/__init__.py
index 0fd1e118d..ead557620 100644
--- a/scaleway/scaleway/mongodb/v1alpha1/__init__.py
+++ b/scaleway/scaleway/mongodb/v1alpha1/__init__.py
@@ -30,6 +30,7 @@
 from .types import RestoreSnapshotRequestVolumeDetails
 from .types import CreateInstanceRequest
 from .types import CreateSnapshotRequest
+from .types import CreateUserRequest
 from .types import DeleteInstanceRequest
 from .types import DeleteSnapshotRequest
 from .types import GetInstanceCertificateRequest
@@ -83,6 +84,7 @@
     "RestoreSnapshotRequestVolumeDetails",
     "CreateInstanceRequest",
     "CreateSnapshotRequest",
+    "CreateUserRequest",
     "DeleteInstanceRequest",
     "DeleteSnapshotRequest",
     "GetInstanceCertificateRequest",
diff --git a/scaleway/scaleway/mongodb/v1alpha1/api.py b/scaleway/scaleway/mongodb/v1alpha1/api.py
index 0dc84f64e..15577d853 100644
--- a/scaleway/scaleway/mongodb/v1alpha1/api.py
+++ b/scaleway/scaleway/mongodb/v1alpha1/api.py
@@ -24,6 +24,7 @@
     CreateInstanceRequest,
     CreateInstanceRequestVolumeDetails,
     CreateSnapshotRequest,
+    CreateUserRequest,
     EndpointSpec,
     Instance,
     ListInstancesResponse,
@@ -57,6 +58,7 @@
     unmarshal_ListVersionsResponse,
     marshal_CreateInstanceRequest,
     marshal_CreateSnapshotRequest,
+    marshal_CreateUserRequest,
     marshal_RestoreSnapshotRequest,
     marshal_UpdateInstanceRequest,
     marshal_UpdateSnapshotRequest,
@@ -1066,6 +1068,55 @@ def list_users_all(
             },
         )
 
+    def create_user(
+        self,
+        *,
+        instance_id: str,
+        name: str,
+        region: Optional[Region] = None,
+        password: Optional[str] = None,
+    ) -> User:
+        """
+        Create an user on a Database Instance.
+        Create an user on a Database Instance. You must define the `name`, `password` of the user and `instance_id` parameters in the request.
+        :param instance_id: UUID of the Database Instance the user belongs to.
+        :param name: Name of the database user.
+        :param region: Region to target. If none is passed will use default region from the config.
+        :param password: Password of the database user.
+        :return: :class:`User <User>`
+
+        Usage:
+        ::
+
+            result = api.create_user(
+                instance_id="example",
+                name="example",
+            )
+        """
+
+        param_region = validate_path_param(
+            "region", region or self.client.default_region
+        )
+        param_instance_id = validate_path_param("instance_id", instance_id)
+        param_name = validate_path_param("name", name)
+
+        res = self._request(
+            "POST",
+            f"/mongodb/v1alpha1/regions/{param_region}/instances/{param_instance_id}/users/{param_name}",
+            body=marshal_CreateUserRequest(
+                CreateUserRequest(
+                    instance_id=instance_id,
+                    name=name,
+                    region=region,
+                    password=password,
+                ),
+                self.client,
+            ),
+        )
+
+        self._throw_on_error(res)
+        return unmarshal_User(res.json())
+
     def update_user(
         self,
         *,
diff --git a/scaleway/scaleway/mongodb/v1alpha1/marshalling.py b/scaleway/scaleway/mongodb/v1alpha1/marshalling.py
index d486ad668..a59cdf460 100644
--- a/scaleway/scaleway/mongodb/v1alpha1/marshalling.py
+++ b/scaleway/scaleway/mongodb/v1alpha1/marshalling.py
@@ -34,6 +34,7 @@
     EndpointSpec,
     CreateInstanceRequest,
     CreateSnapshotRequest,
+    CreateUserRequest,
     RestoreSnapshotRequestVolumeDetails,
     RestoreSnapshotRequest,
     UpdateInstanceRequest,
@@ -708,6 +709,18 @@ def marshal_CreateSnapshotRequest(
     return output
 
 
+def marshal_CreateUserRequest(
+    request: CreateUserRequest,
+    defaults: ProfileDefaults,
+) -> Dict[str, Any]:
+    output: Dict[str, Any] = {}
+
+    if request.password is not None:
+        output["password"] = request.password
+
+    return output
+
+
 def marshal_RestoreSnapshotRequestVolumeDetails(
     request: RestoreSnapshotRequestVolumeDetails,
     defaults: ProfileDefaults,
diff --git a/scaleway/scaleway/mongodb/v1alpha1/types.py b/scaleway/scaleway/mongodb/v1alpha1/types.py
index 3139e0454..fec93e393 100644
--- a/scaleway/scaleway/mongodb/v1alpha1/types.py
+++ b/scaleway/scaleway/mongodb/v1alpha1/types.py
@@ -592,6 +592,29 @@ class CreateSnapshotRequest:
     """
 
 
+@dataclass
+class CreateUserRequest:
+    instance_id: str
+    """
+    UUID of the Database Instance the user belongs to.
+    """
+
+    name: str
+    """
+    Name of the database user.
+    """
+
+    region: Optional[Region]
+    """
+    Region to target. If none is passed will use default region from the config.
+    """
+
+    password: Optional[str]
+    """
+    Password of the database user.
+    """
+
+
 @dataclass
 class DeleteInstanceRequest:
     instance_id: str