diff --git a/rpc/object.go b/rpc/object.go
index 1cac1c7..1eca922 100644
--- a/rpc/object.go
+++ b/rpc/object.go
@@ -10,13 +10,14 @@ import (
 const serviceObject = serviceNamePrefix + "object.ObjectService"
 
 const (
-	rpcObjectPut    = "Put"
-	rpcObjectGet    = "Get"
-	rpcObjectSearch = "Search"
-	rpcObjectRange  = "GetRange"
-	rpcObjectHash   = "GetRangeHash"
-	rpcObjectHead   = "Head"
-	rpcObjectDelete = "Delete"
+	rpcObjectPut       = "Put"
+	rpcObjectGet       = "Get"
+	rpcObjectSearch    = "Search"
+	rpcObjectRange     = "GetRange"
+	rpcObjectHash      = "GetRangeHash"
+	rpcObjectHead      = "Head"
+	rpcObjectDelete    = "Delete"
+	rpcObjectPutSingle = "PutSingle"
 )
 
 // PutRequestWriter is an object.PutRequest
@@ -188,3 +189,19 @@ func HashObjectRange(
 
 	return resp, nil
 }
+
+// PutSingleObject executes ObjectService.PutSingle RPC.
+func PutSingleObject(
+	cli *client.Client,
+	req *object.PutSingleRequest,
+	opts ...client.CallOption,
+) (*object.PutSingleResponse, error) {
+	resp := new(object.PutSingleResponse)
+
+	err := client.SendUnary(cli, common.CallMethodInfoUnary(serviceObject, rpcObjectPutSingle), req, resp, opts...)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}