diff --git a/go.mod b/go.mod
index daa944e09..9a784e170 100644
--- a/go.mod
+++ b/go.mod
@@ -7,12 +7,11 @@ require (
 	github.com/btcsuite/btcd v0.20.1-beta
 	github.com/dgraph-io/badger/v2 v2.0.3
 	github.com/go-redis/redis v6.10.2+incompatible
-	github.com/gogo/protobuf v1.1.1
 	github.com/gorilla/websocket v1.4.2
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/mr-tron/base58 v1.1.2
 	github.com/nspcc-dev/dbft v0.0.0-20210302103605-cc75991b7cfb
-	github.com/nspcc-dev/neofs-api-go v1.24.0
+	github.com/nspcc-dev/neofs-api-go v1.27.1
 	github.com/nspcc-dev/rfc6979 v0.2.0
 	github.com/pierrec/lz4 v2.5.2+incompatible
 	github.com/prometheus/client_golang v1.2.1
diff --git a/go.sum b/go.sum
index b01d2974d..771128fe8 100644
--- a/go.sum
+++ b/go.sum
@@ -85,7 +85,6 @@ github.com/go-redis/redis v6.10.2+incompatible h1:SLbqrO/Ik1nhXA5/cbEs1P5MUBo1Qq
 github.com/go-redis/redis v6.10.2+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/go-yaml/yaml v2.1.0+incompatible/go.mod h1:w2MrLa16VYP0jy6N7M5kHaCkaLENm+P+Tv+MfurjSw0=
-github.com/gogo/protobuf v1.1.1 h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -165,8 +164,10 @@ github.com/nspcc-dev/hrw v1.0.9 h1:17VcAuTtrstmFppBjfRiia4K2wA/ukXZhLFS8Y8rz5Y=
 github.com/nspcc-dev/hrw v1.0.9/go.mod h1:l/W2vx83vMQo6aStyx2AuZrJ+07lGv2JQGlVkPG06MU=
 github.com/nspcc-dev/neo-go v0.73.1-pre.0.20200303142215-f5a1b928ce09/go.mod h1:pPYwPZ2ks+uMnlRLUyXOpLieaDQSEaf4NM3zHVbRjmg=
 github.com/nspcc-dev/neo-go v0.91.0/go.mod h1:G6HdOWvzQ6tlvFdvFSN/PgCzLPN/X/X4d5hTjFRUDcc=
-github.com/nspcc-dev/neofs-api-go v1.24.0 h1:ZxROxsaCmIiv56sNHPf/FBeGHTT51fldp6uhDq0xwVE=
+github.com/nspcc-dev/neo-go v0.95.1/go.mod h1:bW07ge1WFXsBgqrcPpLUr6OcyQxHqM26MZNesWMdH0c=
 github.com/nspcc-dev/neofs-api-go v1.24.0/go.mod h1:G7dqincfdjBrAbL5nxVp82emF05fSVEqe59ICsoRDI8=
+github.com/nspcc-dev/neofs-api-go v1.27.1 h1:ONdKOnm0/hK6m38VTUliCHY6RTxg+IpAzY4G+BeOZG4=
+github.com/nspcc-dev/neofs-api-go v1.27.1/go.mod h1:i0Cwgvcu9A4M4e58pydbXFisUhSxpfljmuWFPIp2btE=
 github.com/nspcc-dev/neofs-crypto v0.2.0/go.mod h1:F/96fUzPM3wR+UGsPi3faVNmFlA9KAEAUQR7dMxZmNA=
 github.com/nspcc-dev/neofs-crypto v0.2.3/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/neofs-crypto v0.3.0 h1:zlr3pgoxuzrmGCxc5W8dGVfA9Rro8diFvVnBg0L4ifM=
diff --git a/pkg/services/oracle/neofs/neofs.go b/pkg/services/oracle/neofs/neofs.go
index 199310569..372a3b2c6 100644
--- a/pkg/services/oracle/neofs/neofs.go
+++ b/pkg/services/oracle/neofs/neofs.go
@@ -1,7 +1,6 @@
 package neofs
 
 import (
-	"bytes"
 	"context"
 	"errors"
 	"fmt"
@@ -10,13 +9,11 @@ import (
 	"strings"
 	"unicode/utf8"
 
-	"github.com/gogo/protobuf/jsonpb"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neofs-api-go/pkg/client"
-	"github.com/nspcc-dev/neofs-api-go/pkg/container"
+	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
-	objectv2 "github.com/nspcc-dev/neofs-api-go/v2/object"
 )
 
 const (
@@ -50,7 +47,7 @@ func Get(ctx context.Context, priv *keys.PrivateKey, u *url.URL, addr string) ([
 		return nil, err
 	}
 
-	c, err := client.New(&priv.PrivateKey, client.WithAddress(addr))
+	c, err := client.New(client.WithDefaultPrivateKey(&priv.PrivateKey), client.WithURIAddress(addr, nil))
 	if err != nil {
 		return nil, err
 	}
@@ -80,7 +77,7 @@ func parseNeoFSURL(u *url.URL) (*object.Address, []string, error) {
 		return nil, nil, ErrMissingObject
 	}
 
-	containerID := container.NewID()
+	containerID := cid.New()
 	if err := containerID.Parse(ps[0]); err != nil {
 		return nil, nil, fmt.Errorf("%w: %v", ErrInvalidContainer, err)
 	}
@@ -96,7 +93,7 @@ func parseNeoFSURL(u *url.URL) (*object.Address, []string, error) {
 	return objectAddr, ps[2:], nil
 }
 
-func getPayload(ctx context.Context, c *client.Client, addr *object.Address) ([]byte, error) {
+func getPayload(ctx context.Context, c client.Client, addr *object.Address) ([]byte, error) {
 	obj, err := c.GetObject(ctx, new(client.GetObjectParams).WithAddress(addr))
 	if err != nil {
 		return nil, err
@@ -104,7 +101,7 @@ func getPayload(ctx context.Context, c *client.Client, addr *object.Address) ([]
 	return checkUTF8(obj.Payload())
 }
 
-func getRange(ctx context.Context, c *client.Client, addr *object.Address, ps ...string) ([]byte, error) {
+func getRange(ctx context.Context, c client.Client, addr *object.Address, ps ...string) ([]byte, error) {
 	if len(ps) == 0 {
 		return nil, ErrInvalidRange
 	}
@@ -119,18 +116,15 @@ func getRange(ctx context.Context, c *client.Client, addr *object.Address, ps ..
 	return checkUTF8(data)
 }
 
-func getHeader(ctx context.Context, c *client.Client, addr *object.Address) ([]byte, error) {
+func getHeader(ctx context.Context, c client.Client, addr *object.Address) ([]byte, error) {
 	obj, err := c.GetObjectHeader(ctx, new(client.ObjectHeaderParams).WithAddress(addr))
 	if err != nil {
 		return nil, err
 	}
-	msg := objectv2.ObjectToGRPCMessage(obj.ToV2()).Header
-	b := bytes.NewBuffer(nil)
-	err = new(jsonpb.Marshaler).Marshal(b, msg)
-	return b.Bytes(), err
+	return obj.MarshalHeaderJSON()
 }
 
-func getHash(ctx context.Context, c *client.Client, addr *object.Address, ps ...string) ([]byte, error) {
+func getHash(ctx context.Context, c client.Client, addr *object.Address, ps ...string) ([]byte, error) {
 	if len(ps) == 0 || ps[0] == "" { // hash of the full payload
 		obj, err := c.GetObjectHeader(ctx, new(client.ObjectHeaderParams).WithAddress(addr))
 		if err != nil {
diff --git a/pkg/services/oracle/neofs/neofs_test.go b/pkg/services/oracle/neofs/neofs_test.go
index 82b25d4be..002ab9ea2 100644
--- a/pkg/services/oracle/neofs/neofs_test.go
+++ b/pkg/services/oracle/neofs/neofs_test.go
@@ -5,7 +5,7 @@ import (
 	"net/url"
 	"testing"
 
-	"github.com/nspcc-dev/neofs-api-go/pkg/container"
+	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/stretchr/testify/require"
 )
@@ -37,8 +37,8 @@ func TestParseRange(t *testing.T) {
 
 func TestParseNeoFSURL(t *testing.T) {
 	cStr := "C3swfg8MiMJ9bXbeFG6dWJTCoHp9hAEZkHezvbSwK1Cc"
-	cid := container.NewID()
-	require.NoError(t, cid.Parse(cStr))
+	containerID := cid.New()
+	require.NoError(t, containerID.Parse(cStr))
 
 	oStr := "3nQH1L8u3eM9jt2mZCs6MyjzdjerdSzBkXCYYj4M4Znk"
 	oid := object.NewID()
@@ -46,7 +46,7 @@ func TestParseNeoFSURL(t *testing.T) {
 
 	validPrefix := "neofs:" + cStr + "/" + oStr
 	objectAddr := object.NewAddress()
-	objectAddr.SetContainerID(cid)
+	objectAddr.SetContainerID(containerID)
 	objectAddr.SetObjectID(oid)
 
 	testCases := []struct {