diff --git a/src/FrostFS.SDK.ClientV2/Client.cs b/src/FrostFS.SDK.ClientV2/Client.cs
index b8a6defa..5df849af 100644
--- a/src/FrostFS.SDK.ClientV2/Client.cs
+++ b/src/FrostFS.SDK.ClientV2/Client.cs
@@ -8,6 +8,7 @@ using FrostFS.SDK.ModelsV2;
 using FrostFS.Session;
 using Grpc.Core;
 using Grpc.Net.Client;
+using Version = FrostFS.SDK.ModelsV2.Version;
 
 namespace FrostFS.SDK.ClientV2;
 
@@ -16,7 +17,7 @@ public partial class Client: IFrostFSClient
     private GrpcChannel _channel;
     private readonly ECDsa _key;
     private readonly OwnerId _owner;
-    public readonly ModelsV2.Version Version = new (2, 13);
+    public readonly Version Version = new (2, 13);
 
     private ContainerService.ContainerServiceClient _containerServiceClient;
     private NetmapService.NetmapServiceClient _netmapServiceClient;
diff --git a/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs b/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
index 3cac9bac..0d659aec 100644
--- a/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
+++ b/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
@@ -1,14 +1,18 @@
+using FrostFS.Container;
 using FrostFS.Object;
 using FrostFS.Refs;
+using DeleteResponse = FrostFS.Container.DeleteResponse;
+using GetResponse = FrostFS.Container.GetResponse;
+using PutResponse = FrostFS.Container.PutResponse;
 
 namespace FrostFS.SDK.ClientV2;
 
 public interface IFrostFSClient
 {
-    Task<Container.ListResponse> ListContainersAsync();
-    Task<Container.PutResponse> CreateContainerAsync(Container.Container container);
-    Task<Container.GetResponse> GetContainerAsync(ContainerID containerId);
-    Task<Container.DeleteResponse> DeleteContainerAsync(ContainerID containerId);
+    Task<ListResponse> ListContainersAsync();
+    Task<PutResponse> CreateContainerAsync(Container.Container container);
+    Task<GetResponse> GetContainerAsync(ContainerID containerId);
+    Task<DeleteResponse> DeleteContainerAsync(ContainerID containerId);
     Task<HeadResponse> GetObjectHeadAsync(ContainerID containerId, ObjectID objectId);
     Task<Object.PutResponse> PutObjectAsync(ContainerID containerId, Stream data);
     Task<Object.DeleteResponse> DeleteObjectAsync(ContainerID containerId, ObjectID objectId);
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Container.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Container.cs
index bb69aa08..c880b2f9 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Container.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Container.cs
@@ -1,6 +1,6 @@
-using System.Runtime.InteropServices.ComTypes;
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.SDK.Cryptography;
+using FrostFS.SDK.ModelsV2.Enums;
 using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
@@ -19,14 +19,14 @@ public static class ContainerMapper
 
     public static ModelsV2.Container ToModel(this Container.Container container)
     {
-        var basicAclName = Enum.GetName(typeof(ModelsV2.Enums.BasicACL), container.BasicAcl);
+        var basicAclName = Enum.GetName(typeof(BasicACL), container.BasicAcl);
         if (basicAclName is null)
         {
             throw new ArgumentException($"Unknown BasicACL rule. Value: '{container.BasicAcl}'.");
         }
 
         return new ModelsV2.Container(
-            Enum.Parse<ModelsV2.Enums.BasicACL>(basicAclName),
+            Enum.Parse<BasicACL>(basicAclName),
             container.PlacementPolicy.ToModel()
         )
         {
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ContainerId.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ContainerId.cs
index eb266234..1bfd6146 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ContainerId.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ContainerId.cs
@@ -1,5 +1,5 @@
-using FrostFS.SDK.ModelsV2;
 using FrostFS.Refs;
+using FrostFS.SDK.ModelsV2;
 using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/MetaHeader.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/MetaHeader.cs
index c32a466e..d3bf04fa 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/MetaHeader.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/MetaHeader.cs
@@ -1,5 +1,6 @@
 using FrostFS.SDK.ModelsV2;
 using FrostFS.Session;
+using Version = FrostFS.Refs.Version;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
@@ -9,7 +10,7 @@ public static class MetaHeaderMapper
     {
         return new RequestMetaHeader
         {
-            Version = new Refs.Version
+            Version = new Version
             {
                 Major = (uint)metaHeader.Version.Major,
                 Minor = (uint)metaHeader.Version.Minor,
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Netmap/PlacementPolicy.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Netmap/PlacementPolicy.cs
index 7ca1d104..71f66aed 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Netmap/PlacementPolicy.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Netmap/PlacementPolicy.cs
@@ -1,4 +1,5 @@
 using FrostFS.Netmap;
+using Replica = FrostFS.SDK.ModelsV2.Netmap.Replica;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 
@@ -23,7 +24,7 @@ public static class PlacementPolicyMapper
 
     public static ModelsV2.Netmap.PlacementPolicy ToModel(this PlacementPolicy placementPolicy)
     {
-        var replicas = new List<ModelsV2.Netmap.Replica>();
+        var replicas = new List<Replica>();
         foreach (var replica in placementPolicy.Replicas)
         {
             replicas.Add(replica.ToModel());
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Object.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Object.cs
index d476106c..a4578913 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Object.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Object.cs
@@ -1,11 +1,11 @@
+using FrostFS.Object;
 using FrostFS.SDK.ModelsV2;
-using FrostFS.SDK.ModelsV2.Enums;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
 public static class ObjectHeadMapper
 { 
-    public static ObjectHead ToModel(this Object.Header head)
+    public static ObjectHead ToModel(this Header head)
     {
         // var obtype = Enum.Parse<ObjectType>(head.ObjectType.ToString());
         return new ObjectHead
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ObjectId.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ObjectId.cs
index c6baae95..4c280350 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ObjectId.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/ObjectId.cs
@@ -1,5 +1,5 @@
-using FrostFS.SDK.ModelsV2;
 using FrostFS.Refs;
+using FrostFS.SDK.ModelsV2;
 using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/OwnerId.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/OwnerId.cs
index 8259478a..4bea66dd 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/OwnerId.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/OwnerId.cs
@@ -1,5 +1,5 @@
-using FrostFS.SDK.ModelsV2;
 using FrostFS.Refs;
+using FrostFS.SDK.ModelsV2;
 using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
diff --git a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Version.cs b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Version.cs
index db8601d3..549ff1ae 100644
--- a/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Version.cs
+++ b/src/FrostFS.SDK.ClientV2/Mappers/GRPC/Version.cs
@@ -1,17 +1,19 @@
+using Version = FrostFS.Refs.Version;
+
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
 public static class VersionMapper
 {
-    public static Refs.Version ToGrpcMessage(this ModelsV2.Version version)
+    public static Version ToGrpcMessage(this ModelsV2.Version version)
     {
-        return new Refs.Version
+        return new Version
         {
             Major = (uint)version.Major,
             Minor = (uint)version.Minor
         };
     }
 
-    public static ModelsV2.Version ToModel(this Refs.Version version)
+    public static ModelsV2.Version ToModel(this Version version)
     {
         return new ModelsV2.Version((int)version.Major, (int)version.Minor);
     }
diff --git a/src/FrostFS.SDK.ClientV2/RequestSigner.cs b/src/FrostFS.SDK.ClientV2/RequestSigner.cs
index ea4f4e2b..88c64c30 100644
--- a/src/FrostFS.SDK.ClientV2/RequestSigner.cs
+++ b/src/FrostFS.SDK.ClientV2/RequestSigner.cs
@@ -1,7 +1,7 @@
 using System.Security.Cryptography;
 using FrostFS.Refs;
-using FrostFS.Session;
 using FrostFS.SDK.Cryptography;
+using FrostFS.Session;
 using Google.Protobuf;
 using Org.BouncyCastle.Asn1.Sec;
 using Org.BouncyCastle.Crypto.Digests;
diff --git a/src/FrostFS.SDK.ClientV2/RequestVerifier.cs b/src/FrostFS.SDK.ClientV2/RequestVerifier.cs
index 400c16a9..5301e761 100644
--- a/src/FrostFS.SDK.ClientV2/RequestVerifier.cs
+++ b/src/FrostFS.SDK.ClientV2/RequestVerifier.cs
@@ -1,7 +1,7 @@
 using System.Security.Cryptography;
 using FrostFS.Refs;
-using FrostFS.Session;
 using FrostFS.SDK.Cryptography;
+using FrostFS.Session;
 using Google.Protobuf;
 using Org.BouncyCastle.Asn1.Sec;
 using Org.BouncyCastle.Crypto.Digests;
diff --git a/src/FrostFS.SDK.ClientV2/Services/Object.cs b/src/FrostFS.SDK.ClientV2/Services/Object.cs
index 499423f5..1a4b548c 100644
--- a/src/FrostFS.SDK.ClientV2/Services/Object.cs
+++ b/src/FrostFS.SDK.ClientV2/Services/Object.cs
@@ -2,6 +2,7 @@ using FrostFS.Object;
 using FrostFS.Refs;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;
+using FrostFS.SDK.ModelsV2;
 using FrostFS.Session;
 using Google.Protobuf;
 using Grpc.Core;
@@ -56,8 +57,8 @@ public partial class Client
         request.Sign(_key);
 
         using var stream = await InitObject(request);
-        var buffer = new byte[ModelsV2.Constants.ObjectChunkSize];
-        var bufferLength = data.Read(buffer, 0, ModelsV2.Constants.ObjectChunkSize);
+        var buffer = new byte[Constants.ObjectChunkSize];
+        var bufferLength = data.Read(buffer, 0, Constants.ObjectChunkSize);
         while (bufferLength > 0)
         {
             request.Body = new PutRequest.Types.Body
@@ -67,7 +68,7 @@ public partial class Client
             request.VerifyHeader = null;
             request.Sign(_key);
             await stream.Write(request);
-            bufferLength = data.Read(buffer, 0, ModelsV2.Constants.ObjectChunkSize);
+            bufferLength = data.Read(buffer, 0, Constants.ObjectChunkSize);
         }
         return await stream.Close();
     }
diff --git a/src/FrostFS.SDK.Cryptography/Key.cs b/src/FrostFS.SDK.Cryptography/Key.cs
index c5a33931..15b888f4 100644
--- a/src/FrostFS.SDK.Cryptography/Key.cs
+++ b/src/FrostFS.SDK.Cryptography/Key.cs
@@ -2,7 +2,6 @@
 using System.Numerics;
 using System.Security.Cryptography;
 using System.Text;
-using Google.Protobuf;
 using Org.BouncyCastle.Asn1.Sec;
 
 namespace FrostFS.SDK.Cryptography;
diff --git a/src/FrostFS.SDK.ModelsV2/Container.cs b/src/FrostFS.SDK.ModelsV2/Container.cs
index 7d798d39..d205bf63 100644
--- a/src/FrostFS.SDK.ModelsV2/Container.cs
+++ b/src/FrostFS.SDK.ModelsV2/Container.cs
@@ -1,3 +1,4 @@
+using FrostFS.SDK.ModelsV2.Enums;
 using FrostFS.SDK.ModelsV2.Netmap;
 
 namespace FrostFS.SDK.ModelsV2;
@@ -5,11 +6,11 @@ namespace FrostFS.SDK.ModelsV2;
 public class Container
 {
     public Guid Nonce { get; set; }
-    public Enums.BasicACL BasicAcl { get; set; }
+    public BasicACL BasicAcl { get; set; }
     public PlacementPolicy PlacementPolicy { get; set; }
     public Version? Version { get; set; }
 
-    public Container(Enums.BasicACL basicAcl, PlacementPolicy placementPolicy)
+    public Container(BasicACL basicAcl, PlacementPolicy placementPolicy)
     {
         Nonce = Guid.NewGuid();
         BasicAcl = basicAcl;
diff --git a/src/FrostFS.SDK.ModelsV2/Object.cs b/src/FrostFS.SDK.ModelsV2/Object.cs
index 46664e6f..b588eab9 100644
--- a/src/FrostFS.SDK.ModelsV2/Object.cs
+++ b/src/FrostFS.SDK.ModelsV2/Object.cs
@@ -5,5 +5,24 @@ public class ObjectHead
 {
     public ContainerId ContainerId { get; set; }
     public long Size { get; set; }
-    public Version Version { get; set; } 
+    public Version? Version { get; set; } 
+}
+
+public class Object : ObjectHead
+{
+    public Stream Payload { get; set; }
+
+    public Object(ContainerId containerId, Stream payload)
+    {
+        ContainerId = containerId;
+        Payload = payload;
+        Size = Payload.Length;
+    }
+    
+    public Object(ContainerId containerId, byte[] payload)
+    {
+        ContainerId = containerId;
+        Payload = new MemoryStream(payload);
+        Size = Payload.Length;
+    }
 }
\ No newline at end of file
diff --git a/src/FrostFS.SDK.ProtosV2/Interfaces/IRequest.cs b/src/FrostFS.SDK.ProtosV2/Interfaces/IRequest.cs
index 6dd9cf7f..6c0b2648 100644
--- a/src/FrostFS.SDK.ProtosV2/Interfaces/IRequest.cs
+++ b/src/FrostFS.SDK.ProtosV2/Interfaces/IRequest.cs
@@ -1,5 +1,3 @@
-using FrostFS.Session;
-
 namespace FrostFS.Session
 {
     public interface IRequest : IVerificableMessage
diff --git a/src/FrostFS.SDK.ProtosV2/container/Extension.Message.cs b/src/FrostFS.SDK.ProtosV2/container/Extension.Message.cs
index fd6535cb..3c54a01e 100644
--- a/src/FrostFS.SDK.ProtosV2/container/Extension.Message.cs
+++ b/src/FrostFS.SDK.ProtosV2/container/Extension.Message.cs
@@ -1,5 +1,5 @@
-using Google.Protobuf;
 using FrostFS.Session;
+using Google.Protobuf;
 
 namespace FrostFS.Container
 {
diff --git a/src/FrostFS.SDK.ProtosV2/netmap/Extension.Message.cs b/src/FrostFS.SDK.ProtosV2/netmap/Extension.Message.cs
index 350cf74f..8ab7c04b 100644
--- a/src/FrostFS.SDK.ProtosV2/netmap/Extension.Message.cs
+++ b/src/FrostFS.SDK.ProtosV2/netmap/Extension.Message.cs
@@ -1,5 +1,5 @@
-using Google.Protobuf;
-using FrostFS.Session;
+using FrostFS.Session;
+using Google.Protobuf;
 
 namespace FrostFS.Netmap
 {
diff --git a/src/FrostFS.SDK.Service/Service.cs b/src/FrostFS.SDK.Service/Service.cs
index bc11d34e..0cd0ad45 100644
--- a/src/FrostFS.SDK.Service/Service.cs
+++ b/src/FrostFS.SDK.Service/Service.cs
@@ -52,15 +52,9 @@ public class FrostFsService
         return getObjectHeadResponse.Body.Header.Header.ToModel();
     }
 
-    public async Task<ObjectId> PutObjectAsync(ContainerId containerId, Stream data)
+    public async Task<ObjectId> PutObjectAsync(ModelsV2.Object obj)
     {
-        var putObjectResponse = await _client.PutObjectAsync(containerId.ToGrpcMessage(), data);
-        return ObjectId.FromHash(putObjectResponse.Body.ObjectId.Value.ToByteArray());
-    }
-
-    public async Task<ObjectId> PutObjectAsync(ContainerId containerId, byte[] data)
-    {
-        var putObjectResponse = await _client.PutObjectAsync(containerId.ToGrpcMessage(), new MemoryStream(data));
+        var putObjectResponse = await _client.PutObjectAsync(obj.ContainerId.ToGrpcMessage(), obj.Payload);
         return ObjectId.FromHash(putObjectResponse.Body.ObjectId.Value.ToByteArray());
     }