diff --git a/client/apemanager_list_chains.go b/client/apemanager_list_chains.go
index a608f1e..a8a3e8a 100644
--- a/client/apemanager_list_chains.go
+++ b/client/apemanager_list_chains.go
@@ -65,7 +65,7 @@ func (c *Client) APEManagerListChains(ctx context.Context, prm PrmAPEManagerList
 	var res ResAPEManagerListChains
 	res.st, err = c.processResponse(resp)
 	if err != nil || !apistatus.IsSuccessful(res.st) {
-		return nil, err
+		return &res, err
 	}
 
 	for _, ch := range resp.GetBody().GetChains() {
diff --git a/client/netmap.go b/client/netmap.go
index 8bedf46..a870ab2 100644
--- a/client/netmap.go
+++ b/client/netmap.go
@@ -239,12 +239,8 @@ func (c *Client) NetMapSnapshot(ctx context.Context, _ PrmNetMapSnapshot) (*ResN
 
 	var res ResNetMapSnapshot
 	res.st, err = c.processResponse(resp)
-	if err != nil {
-		return nil, err
-	}
-
-	if !apistatus.IsSuccessful(res.st) {
-		return &res, nil
+	if err != nil || !apistatus.IsSuccessful(res.st) {
+		return &res, err
 	}
 
 	const fieldNetMap = "network map"
diff --git a/client/object_delete.go b/client/object_delete.go
index a9fe8e8..3214cff 100644
--- a/client/object_delete.go
+++ b/client/object_delete.go
@@ -148,12 +148,8 @@ func (c *Client) ObjectDelete(ctx context.Context, prm PrmObjectDelete) (*ResObj
 
 	var res ResObjectDelete
 	res.st, err = c.processResponse(resp)
-	if err != nil {
-		return nil, err
-	}
-
-	if !apistatus.IsSuccessful(res.st) {
-		return &res, nil
+	if err != nil || !apistatus.IsSuccessful(res.st) {
+		return &res, err
 	}
 
 	const fieldTombstone = "tombstone"
diff --git a/client/object_get.go b/client/object_get.go
index 8c821de..ba4f72d 100644
--- a/client/object_get.go
+++ b/client/object_get.go
@@ -492,12 +492,8 @@ func (c *Client) ObjectHead(ctx context.Context, prm PrmObjectHead) (*ResObjectH
 
 	var res ResObjectHead
 	res.st, err = c.processResponse(resp)
-	if err != nil {
-		return nil, err
-	}
-
-	if !apistatus.IsSuccessful(res.st) {
-		return &res, nil
+	if err != nil || !apistatus.IsSuccessful(res.st) {
+		return &res, err
 	}
 
 	res.idObj = *prm.ObjectID
diff --git a/client/object_hash.go b/client/object_hash.go
index 108e0ce..b1b9ffc 100644
--- a/client/object_hash.go
+++ b/client/object_hash.go
@@ -189,12 +189,8 @@ func (c *Client) ObjectHash(ctx context.Context, prm PrmObjectHash) (*ResObjectH
 
 	var res ResObjectHash
 	res.st, err = c.processResponse(resp)
-	if err != nil {
-		return nil, err
-	}
-
-	if !apistatus.IsSuccessful(res.st) {
-		return &res, nil
+	if err != nil || !apistatus.IsSuccessful(res.st) {
+		return &res, err
 	}
 
 	res.checksums = resp.GetBody().GetHashList()
diff --git a/client/object_patch.go b/client/object_patch.go
index ca7e8ed..7b054db 100644
--- a/client/object_patch.go
+++ b/client/object_patch.go
@@ -246,12 +246,8 @@ func (x *objectPatcher) Close(_ context.Context) (*ResObjectPatch, error) {
 	}
 
 	x.res.st, x.err = x.client.processResponse(&x.respV2)
-	if x.err != nil {
-		return nil, x.err
-	}
-
-	if !apistatus.IsSuccessful(x.res.st) {
-		return &x.res, nil
+	if x.err != nil || !apistatus.IsSuccessful(x.res.st) {
+		return &x.res, x.err
 	}
 
 	const fieldID = "ID"
diff --git a/client/object_put_raw.go b/client/object_put_raw.go
index c22bd05..e47c6a2 100644
--- a/client/object_put_raw.go
+++ b/client/object_put_raw.go
@@ -156,12 +156,8 @@ func (x *objectWriterRaw) Close(_ context.Context) (*ResObjectPut, error) {
 	}
 
 	x.res.st, x.err = x.client.processResponse(&x.respV2)
-	if x.err != nil {
-		return nil, x.err
-	}
-
-	if !apistatus.IsSuccessful(x.res.st) {
-		return &x.res, nil
+	if x.err != nil || !apistatus.IsSuccessful(x.res.st) {
+		return &x.res, x.err
 	}
 
 	const fieldID = "ID"
diff --git a/client/object_put_single.go b/client/object_put_single.go
index bdef026..a2ff8a0 100644
--- a/client/object_put_single.go
+++ b/client/object_put_single.go
@@ -167,7 +167,7 @@ func (c *Client) ObjectPutSingle(ctx context.Context, prm PrmObjectPutSingle) (*
 	var res ResObjectPutSingle
 	res.st, err = c.processResponse(resp)
 	if err != nil {
-		return nil, err
+		return &res, err
 	}
 	res.epoch = resp.GetMetaHeader().GetEpoch()