diff --git a/v2/accounting/accounting.go b/v2/accounting/accounting.go
index 1ca3d263..f2c0d984 100644
--- a/v2/accounting/accounting.go
+++ b/v2/accounting/accounting.go
@@ -2,7 +2,7 @@ package accounting
 
 import (
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
 
 type BalanceRequestBody struct {
@@ -12,9 +12,9 @@ type BalanceRequestBody struct {
 type BalanceRequest struct {
 	body *BalanceRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type BalanceResponseBody struct {
@@ -24,9 +24,9 @@ type BalanceResponseBody struct {
 type BalanceResponse struct {
 	body *BalanceResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type Decimal struct {
@@ -63,7 +63,7 @@ func (b *BalanceRequest) SetBody(v *BalanceRequestBody) {
 	}
 }
 
-func (b *BalanceRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (b *BalanceRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if b != nil {
 		return b.metaHeader
 	}
@@ -71,13 +71,13 @@ func (b *BalanceRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (b *BalanceRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (b *BalanceRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if b != nil {
 		b.metaHeader = v
 	}
 }
 
-func (b *BalanceRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (b *BalanceRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if b != nil {
 		return b.verifyHeader
 	}
@@ -85,7 +85,7 @@ func (b *BalanceRequest) GetVerificationHeader() *service.RequestVerificationHea
 	return nil
 }
 
-func (b *BalanceRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (b *BalanceRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if b != nil {
 		b.verifyHeader = v
 	}
@@ -147,7 +147,7 @@ func (br *BalanceResponse) SetBody(v *BalanceResponseBody) {
 	}
 }
 
-func (br *BalanceResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (br *BalanceResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if br != nil {
 		return br.metaHeader
 	}
@@ -155,13 +155,13 @@ func (br *BalanceResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (br *BalanceResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (br *BalanceResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if br != nil {
 		br.metaHeader = v
 	}
 }
 
-func (br *BalanceResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (br *BalanceResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if br != nil {
 		return br.verifyHeader
 	}
@@ -169,7 +169,7 @@ func (br *BalanceResponse) GetVerificationHeader() *service.ResponseVerification
 	return nil
 }
 
-func (br *BalanceResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (br *BalanceResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if br != nil {
 		br.verifyHeader = v
 	}
diff --git a/v2/accounting/convert.go b/v2/accounting/convert.go
index 5a0b6edc..d7fe95c1 100644
--- a/v2/accounting/convert.go
+++ b/v2/accounting/convert.go
@@ -3,7 +3,7 @@ package accounting
 import (
 	accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting/grpc"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
 
 func BalanceRequestBodyToGRPCMessage(b *BalanceRequestBody) *accounting.BalanceRequest_Body {
@@ -45,7 +45,7 @@ func BalanceRequestToGRPCMessage(b *BalanceRequest) *accounting.BalanceRequest {
 		BalanceRequestBodyToGRPCMessage(b.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(b, m)
+	session.RequestHeadersToGRPC(b, m)
 
 	return m
 }
@@ -61,7 +61,7 @@ func BalanceRequestFromGRPCMessage(m *accounting.BalanceRequest) *BalanceRequest
 		BalanceRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, b)
+	session.RequestHeadersFromGRPC(m, b)
 
 	return b
 }
@@ -131,7 +131,7 @@ func BalanceResponseToGRPCMessage(br *BalanceResponse) *accounting.BalanceRespon
 		BalanceResponseBodyToGRPCMessage(br.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(br, m)
+	session.ResponseHeadersToGRPC(br, m)
 
 	return m
 }
@@ -147,7 +147,7 @@ func BalanceResponseFromGRPCMessage(m *accounting.BalanceResponse) *BalanceRespo
 		BalanceResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, br)
+	session.ResponseHeadersFromGRPC(m, br)
 
 	return br
 }
diff --git a/v2/accounting/grpc/service.go b/v2/accounting/grpc/service.go
index 058067b3..78adedbc 100644
--- a/v2/accounting/grpc/service.go
+++ b/v2/accounting/grpc/service.go
@@ -2,7 +2,7 @@ package accounting
 
 import (
 	refs "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
-	service "github.com/nspcc-dev/neofs-api-go/v2/service/grpc"
+	session "github.com/nspcc-dev/neofs-api-go/v2/session/grpc"
 )
 
 // SetOwnerId sets identifier of the account owner.
@@ -20,14 +20,14 @@ func (m *BalanceRequest) SetBody(v *BalanceRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *BalanceRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *BalanceRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *BalanceRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *BalanceRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -48,14 +48,14 @@ func (m *BalanceResponse) SetBody(v *BalanceResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *BalanceResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *BalanceResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *BalanceResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *BalanceResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
diff --git a/v2/container/convert.go b/v2/container/convert.go
index 34d5b977..b60d9a32 100644
--- a/v2/container/convert.go
+++ b/v2/container/convert.go
@@ -6,7 +6,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/v2/netmap"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
 	refsGRPC "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
 
 func AttributeToGRPCMessage(a *Attribute) *container.Container_Attribute {
@@ -152,7 +152,7 @@ func PutRequestToGRPCMessage(r *PutRequest) *container.PutRequest {
 		PutRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -168,7 +168,7 @@ func PutRequestFromGRPCMessage(m *container.PutRequest) *PutRequest {
 		PutRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -212,7 +212,7 @@ func PutResponseToGRPCMessage(r *PutResponse) *container.PutResponse {
 		PutResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -228,7 +228,7 @@ func PutResponseFromGRPCMessage(m *container.PutResponse) *PutResponse {
 		PutResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -272,7 +272,7 @@ func GetRequestToGRPCMessage(r *GetRequest) *container.GetRequest {
 		GetRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -288,7 +288,7 @@ func GetRequestFromGRPCMessage(m *container.GetRequest) *GetRequest {
 		GetRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -332,7 +332,7 @@ func GetResponseToGRPCMessage(r *GetResponse) *container.GetResponse {
 		GetResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -348,7 +348,7 @@ func GetResponseFromGRPCMessage(m *container.GetResponse) *GetResponse {
 		GetResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -400,7 +400,7 @@ func DeleteRequestToGRPCMessage(r *DeleteRequest) *container.DeleteRequest {
 		DeleteRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -416,7 +416,7 @@ func DeleteRequestFromGRPCMessage(m *container.DeleteRequest) *DeleteRequest {
 		DeleteRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -452,7 +452,7 @@ func DeleteResponseToGRPCMessage(r *DeleteResponse) *container.DeleteResponse {
 		DeleteResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -468,7 +468,7 @@ func DeleteResponseFromGRPCMessage(m *container.DeleteResponse) *DeleteResponse
 		DeleteResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -512,7 +512,7 @@ func ListRequestToGRPCMessage(r *ListRequest) *container.ListRequest {
 		ListRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -528,7 +528,7 @@ func ListRequestFromGRPCMessage(m *container.ListRequest) *ListRequest {
 		ListRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -582,7 +582,7 @@ func ListResponseToGRPCMessage(r *ListResponse) *container.ListResponse {
 		ListResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -598,7 +598,7 @@ func ListResponseFromGRPCMessage(m *container.ListResponse) *ListResponse {
 		ListResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -649,7 +649,7 @@ func SetExtendedACLRequestToGRPCMessage(r *SetExtendedACLRequest) *container.Set
 		SetExtendedACLRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -665,7 +665,7 @@ func SetExtendedACLRequestFromGRPCMessage(m *container.SetExtendedACLRequest) *S
 		SetExtendedACLRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -701,7 +701,7 @@ func SetExtendedACLResponseToGRPCMessage(r *SetExtendedACLResponse) *container.S
 		SetExtendedACLResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -717,7 +717,7 @@ func SetExtendedACLResponseFromGRPCMessage(m *container.SetExtendedACLResponse)
 		SetExtendedACLResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -761,7 +761,7 @@ func GetExtendedACLRequestToGRPCMessage(r *GetExtendedACLRequest) *container.Get
 		GetExtendedACLRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -777,7 +777,7 @@ func GetExtendedACLRequestFromGRPCMessage(m *container.GetExtendedACLRequest) *G
 		GetExtendedACLRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -829,7 +829,7 @@ func GetExtendedACLResponseToGRPCMessage(r *GetExtendedACLResponse) *container.G
 		GetExtendedACLResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -845,7 +845,7 @@ func GetExtendedACLResponseFromGRPCMessage(m *container.GetExtendedACLResponse)
 		GetExtendedACLResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
diff --git a/v2/container/grpc/service.go b/v2/container/grpc/service.go
index 4da5e0f1..61648b55 100644
--- a/v2/container/grpc/service.go
+++ b/v2/container/grpc/service.go
@@ -3,7 +3,7 @@ package container
 import (
 	acl "github.com/nspcc-dev/neofs-api-go/v2/acl/grpc"
 	refs "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
-	service "github.com/nspcc-dev/neofs-api-go/v2/service/grpc"
+	session "github.com/nspcc-dev/neofs-api-go/v2/session/grpc"
 )
 
 // SetContainer sets container of the request.
@@ -28,14 +28,14 @@ func (m *PutRequest) SetBody(v *PutRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *PutRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *PutRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *PutRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *PutRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -56,14 +56,14 @@ func (m *PutResponse) SetBody(v *PutResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *PutResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *PutResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *PutResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *PutResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -91,14 +91,14 @@ func (m *DeleteRequest) SetBody(v *DeleteRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *DeleteRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *DeleteRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *DeleteRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *DeleteRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -112,14 +112,14 @@ func (m *DeleteResponse) SetBody(v *DeleteResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *DeleteResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *DeleteResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *DeleteResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *DeleteResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -138,14 +138,14 @@ func (m *GetRequest) SetBody(v *GetRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *GetRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *GetRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *GetRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *GetRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -166,14 +166,14 @@ func (m *GetResponse) SetBody(v *GetResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *GetResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *GetResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *GetResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *GetResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -194,14 +194,14 @@ func (m *ListRequest) SetBody(v *ListRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *ListRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *ListRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *ListRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *ListRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -222,14 +222,14 @@ func (m *ListResponse) SetBody(v *ListResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *ListResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *ListResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *ListResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *ListResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -257,14 +257,14 @@ func (m *SetExtendedACLRequest) SetBody(v *SetExtendedACLRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *SetExtendedACLRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *SetExtendedACLRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *SetExtendedACLRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *SetExtendedACLRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -278,14 +278,14 @@ func (m *SetExtendedACLResponse) SetBody(v *SetExtendedACLResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *SetExtendedACLResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *SetExtendedACLResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *SetExtendedACLResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *SetExtendedACLResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -306,14 +306,14 @@ func (m *GetExtendedACLRequest) SetBody(v *GetExtendedACLRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *GetExtendedACLRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *GetExtendedACLRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *GetExtendedACLRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *GetExtendedACLRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -341,14 +341,14 @@ func (m *GetExtendedACLResponse) SetBody(v *GetExtendedACLResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *GetExtendedACLResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *GetExtendedACLResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *GetExtendedACLResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *GetExtendedACLResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
diff --git a/v2/container/types.go b/v2/container/types.go
index 79d97c40..ae4a3c11 100644
--- a/v2/container/types.go
+++ b/v2/container/types.go
@@ -4,7 +4,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/v2/acl"
 	"github.com/nspcc-dev/neofs-api-go/v2/netmap"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
 
 type Attribute struct {
@@ -34,9 +34,9 @@ type PutRequestBody struct {
 type PutRequest struct {
 	body *PutRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type PutResponseBody struct {
@@ -46,9 +46,9 @@ type PutResponseBody struct {
 type PutResponse struct {
 	body *PutResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type GetRequestBody struct {
@@ -58,9 +58,9 @@ type GetRequestBody struct {
 type GetRequest struct {
 	body *GetRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type GetResponseBody struct {
@@ -70,9 +70,9 @@ type GetResponseBody struct {
 type GetResponse struct {
 	body *GetResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type DeleteRequestBody struct {
@@ -84,9 +84,9 @@ type DeleteRequestBody struct {
 type DeleteRequest struct {
 	body *DeleteRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type DeleteResponseBody struct{}
@@ -94,9 +94,9 @@ type DeleteResponseBody struct{}
 type DeleteResponse struct {
 	body *DeleteResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type ListRequestBody struct {
@@ -106,9 +106,9 @@ type ListRequestBody struct {
 type ListRequest struct {
 	body *ListRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type ListResponseBody struct {
@@ -118,9 +118,9 @@ type ListResponseBody struct {
 type ListResponse struct {
 	body *ListResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type SetExtendedACLRequestBody struct {
@@ -132,9 +132,9 @@ type SetExtendedACLRequestBody struct {
 type SetExtendedACLRequest struct {
 	body *SetExtendedACLRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type SetExtendedACLResponseBody struct{}
@@ -142,9 +142,9 @@ type SetExtendedACLResponseBody struct{}
 type SetExtendedACLResponse struct {
 	body *SetExtendedACLResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type GetExtendedACLRequestBody struct {
@@ -154,9 +154,9 @@ type GetExtendedACLRequestBody struct {
 type GetExtendedACLRequest struct {
 	body *GetExtendedACLRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type GetExtendedACLResponseBody struct {
@@ -168,9 +168,9 @@ type GetExtendedACLResponseBody struct {
 type GetExtendedACLResponse struct {
 	body *GetExtendedACLResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 func (a *Attribute) GetKey() string {
@@ -327,7 +327,7 @@ func (r *PutRequest) SetBody(v *PutRequestBody) {
 	}
 }
 
-func (r *PutRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *PutRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -335,13 +335,13 @@ func (r *PutRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *PutRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *PutRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *PutRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *PutRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -349,7 +349,7 @@ func (r *PutRequest) GetVerificationHeader() *service.RequestVerificationHeader
 	return nil
 }
 
-func (r *PutRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *PutRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -383,7 +383,7 @@ func (r *PutResponse) SetBody(v *PutResponseBody) {
 	}
 }
 
-func (r *PutResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *PutResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -391,13 +391,13 @@ func (r *PutResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *PutResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *PutResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *PutResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *PutResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -405,7 +405,7 @@ func (r *PutResponse) GetVerificationHeader() *service.ResponseVerificationHeade
 	return nil
 }
 
-func (r *PutResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *PutResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -439,7 +439,7 @@ func (r *GetRequest) SetBody(v *GetRequestBody) {
 	}
 }
 
-func (r *GetRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *GetRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -447,13 +447,13 @@ func (r *GetRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *GetRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *GetRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *GetRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -461,7 +461,7 @@ func (r *GetRequest) GetVerificationHeader() *service.RequestVerificationHeader
 	return nil
 }
 
-func (r *GetRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *GetRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -495,7 +495,7 @@ func (r *GetResponse) SetBody(v *GetResponseBody) {
 	}
 }
 
-func (r *GetResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *GetResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -503,13 +503,13 @@ func (r *GetResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *GetResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *GetResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *GetResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -517,7 +517,7 @@ func (r *GetResponse) GetVerificationHeader() *service.ResponseVerificationHeade
 	return nil
 }
 
-func (r *GetResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *GetResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -565,7 +565,7 @@ func (r *DeleteRequest) SetBody(v *DeleteRequestBody) {
 	}
 }
 
-func (r *DeleteRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *DeleteRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -573,13 +573,13 @@ func (r *DeleteRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *DeleteRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *DeleteRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *DeleteRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *DeleteRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -587,7 +587,7 @@ func (r *DeleteRequest) GetVerificationHeader() *service.RequestVerificationHead
 	return nil
 }
 
-func (r *DeleteRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *DeleteRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -607,7 +607,7 @@ func (r *DeleteResponse) SetBody(v *DeleteResponseBody) {
 	}
 }
 
-func (r *DeleteResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *DeleteResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -615,13 +615,13 @@ func (r *DeleteResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *DeleteResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *DeleteResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *DeleteResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *DeleteResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -629,7 +629,7 @@ func (r *DeleteResponse) GetVerificationHeader() *service.ResponseVerificationHe
 	return nil
 }
 
-func (r *DeleteResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *DeleteResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -663,7 +663,7 @@ func (r *ListRequest) SetBody(v *ListRequestBody) {
 	}
 }
 
-func (r *ListRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *ListRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -671,13 +671,13 @@ func (r *ListRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *ListRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *ListRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *ListRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *ListRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -685,7 +685,7 @@ func (r *ListRequest) GetVerificationHeader() *service.RequestVerificationHeader
 	return nil
 }
 
-func (r *ListRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *ListRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -719,7 +719,7 @@ func (r *ListResponse) SetBody(v *ListResponseBody) {
 	}
 }
 
-func (r *ListResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *ListResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -727,13 +727,13 @@ func (r *ListResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *ListResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *ListResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *ListResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *ListResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -741,7 +741,7 @@ func (r *ListResponse) GetVerificationHeader() *service.ResponseVerificationHead
 	return nil
 }
 
-func (r *ListResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *ListResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -789,7 +789,7 @@ func (r *SetExtendedACLRequest) SetBody(v *SetExtendedACLRequestBody) {
 	}
 }
 
-func (r *SetExtendedACLRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *SetExtendedACLRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -797,13 +797,13 @@ func (r *SetExtendedACLRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *SetExtendedACLRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *SetExtendedACLRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *SetExtendedACLRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *SetExtendedACLRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -811,7 +811,7 @@ func (r *SetExtendedACLRequest) GetVerificationHeader() *service.RequestVerifica
 	return nil
 }
 
-func (r *SetExtendedACLRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *SetExtendedACLRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -831,7 +831,7 @@ func (r *SetExtendedACLResponse) SetBody(v *SetExtendedACLResponseBody) {
 	}
 }
 
-func (r *SetExtendedACLResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *SetExtendedACLResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -839,13 +839,13 @@ func (r *SetExtendedACLResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *SetExtendedACLResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *SetExtendedACLResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *SetExtendedACLResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *SetExtendedACLResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -853,7 +853,7 @@ func (r *SetExtendedACLResponse) GetVerificationHeader() *service.ResponseVerifi
 	return nil
 }
 
-func (r *SetExtendedACLResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *SetExtendedACLResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -887,7 +887,7 @@ func (r *GetExtendedACLRequest) SetBody(v *GetExtendedACLRequestBody) {
 	}
 }
 
-func (r *GetExtendedACLRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *GetExtendedACLRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -895,13 +895,13 @@ func (r *GetExtendedACLRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *GetExtendedACLRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *GetExtendedACLRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetExtendedACLRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *GetExtendedACLRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -909,7 +909,7 @@ func (r *GetExtendedACLRequest) GetVerificationHeader() *service.RequestVerifica
 	return nil
 }
 
-func (r *GetExtendedACLRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *GetExtendedACLRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -957,7 +957,7 @@ func (r *GetExtendedACLResponse) SetBody(v *GetExtendedACLResponseBody) {
 	}
 }
 
-func (r *GetExtendedACLResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *GetExtendedACLResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -965,13 +965,13 @@ func (r *GetExtendedACLResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *GetExtendedACLResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *GetExtendedACLResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetExtendedACLResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *GetExtendedACLResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -979,7 +979,7 @@ func (r *GetExtendedACLResponse) GetVerificationHeader() *service.ResponseVerifi
 	return nil
 }
 
-func (r *GetExtendedACLResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *GetExtendedACLResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
diff --git a/v2/object/convert.go b/v2/object/convert.go
index 949bb13b..7beb6405 100644
--- a/v2/object/convert.go
+++ b/v2/object/convert.go
@@ -6,7 +6,7 @@ import (
 	object "github.com/nspcc-dev/neofs-api-go/v2/object/grpc"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
 	refsGRPC "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
 
 func TypeToGRPCField(t Type) object.ObjectType {
@@ -209,7 +209,7 @@ func HeaderToGRPCMessage(h *Header) *object.Header {
 	)
 
 	m.SetSessionToken(
-		service.SessionTokenToGRPCMessage(h.GetSessionToken()),
+		session.SessionTokenToGRPCMessage(h.GetSessionToken()),
 	)
 
 	attr := h.GetAttributes()
@@ -264,7 +264,7 @@ func HeaderFromGRPCMessage(m *object.Header) *Header {
 	)
 
 	h.SetSessionToken(
-		service.SessionTokenFromGRPCMessage(m.GetSessionToken()),
+		session.SessionTokenFromGRPCMessage(m.GetSessionToken()),
 	)
 
 	attrMsg := m.GetAttributes()
@@ -374,7 +374,7 @@ func GetRequestToGRPCMessage(r *GetRequest) *object.GetRequest {
 		GetRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -390,7 +390,7 @@ func GetRequestFromGRPCMessage(m *object.GetRequest) *GetRequest {
 		GetRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -522,7 +522,7 @@ func GetResponseToGRPCMessage(r *GetResponse) *object.GetResponse {
 		GetResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -538,7 +538,7 @@ func GetResponseFromGRPCMessage(m *object.GetResponse) *GetResponse {
 		GetResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -674,7 +674,7 @@ func PutRequestToGRPCMessage(r *PutRequest) *object.PutRequest {
 		PutRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -690,7 +690,7 @@ func PutRequestFromGRPCMessage(m *object.PutRequest) *PutRequest {
 		PutRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -734,7 +734,7 @@ func PutResponseToGRPCMessage(r *PutResponse) *object.PutResponse {
 		PutResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -750,7 +750,7 @@ func PutResponseFromGRPCMessage(m *object.PutResponse) *PutResponse {
 		PutResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -794,7 +794,7 @@ func DeleteRequestToGRPCMessage(r *DeleteRequest) *object.DeleteRequest {
 		DeleteRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -810,7 +810,7 @@ func DeleteRequestFromGRPCMessage(m *object.DeleteRequest) *DeleteRequest {
 		DeleteRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -846,7 +846,7 @@ func DeleteResponseToGRPCMessage(r *DeleteResponse) *object.DeleteResponse {
 		DeleteResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -862,7 +862,7 @@ func DeleteResponseFromGRPCMessage(m *object.DeleteResponse) *DeleteResponse {
 		DeleteResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -914,7 +914,7 @@ func HeadRequestToGRPCMessage(r *HeadRequest) *object.HeadRequest {
 		HeadRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -930,7 +930,7 @@ func HeadRequestFromGRPCMessage(m *object.HeadRequest) *HeadRequest {
 		HeadRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1050,7 +1050,7 @@ func HeadResponseToGRPCMessage(r *HeadResponse) *object.HeadResponse {
 		HeadResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1066,7 +1066,7 @@ func HeadResponseFromGRPCMessage(m *object.HeadResponse) *HeadResponse {
 		HeadResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1168,7 +1168,7 @@ func SearchRequestToGRPCMessage(r *SearchRequest) *object.SearchRequest {
 		SearchRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1184,7 +1184,7 @@ func SearchRequestFromGRPCMessage(m *object.SearchRequest) *SearchRequest {
 		SearchRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1238,7 +1238,7 @@ func SearchResponseToGRPCMessage(r *SearchResponse) *object.SearchResponse {
 		SearchResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1254,7 +1254,7 @@ func SearchResponseFromGRPCMessage(m *object.SearchResponse) *SearchResponse {
 		SearchResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1332,7 +1332,7 @@ func GetRangeRequestToGRPCMessage(r *GetRangeRequest) *object.GetRangeRequest {
 		GetRangeRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1348,7 +1348,7 @@ func GetRangeRequestFromGRPCMessage(m *object.GetRangeRequest) *GetRangeRequest
 		GetRangeRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1388,7 +1388,7 @@ func GetRangeResponseToGRPCMessage(r *GetRangeResponse) *object.GetRangeResponse
 		GetRangeResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1404,7 +1404,7 @@ func GetRangeResponseFromGRPCMessage(m *object.GetRangeResponse) *GetRangeRespon
 		GetRangeResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1474,7 +1474,7 @@ func GetRangeHashRequestToGRPCMessage(r *GetRangeHashRequest) *object.GetRangeHa
 		GetRangeHashRequestBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.RequestHeadersToGRPC(r, m)
+	session.RequestHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1490,7 +1490,7 @@ func GetRangeHashRequestFromGRPCMessage(m *object.GetRangeHashRequest) *GetRange
 		GetRangeHashRequestBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.RequestHeadersFromGRPC(m, r)
+	session.RequestHeadersFromGRPC(m, r)
 
 	return r
 }
@@ -1534,7 +1534,7 @@ func GetRangeHashResponseToGRPCMessage(r *GetRangeHashResponse) *object.GetRange
 		GetRangeHashResponseBodyToGRPCMessage(r.GetBody()),
 	)
 
-	service.ResponseHeadersToGRPC(r, m)
+	session.ResponseHeadersToGRPC(r, m)
 
 	return m
 }
@@ -1550,7 +1550,7 @@ func GetRangeHashResponseFromGRPCMessage(m *object.GetRangeHashResponse) *GetRan
 		GetRangeHashResponseBodyFromGRPCMessage(m.GetBody()),
 	)
 
-	service.ResponseHeadersFromGRPC(m, r)
+	session.ResponseHeadersFromGRPC(m, r)
 
 	return r
 }
diff --git a/v2/object/grpc/service.go b/v2/object/grpc/service.go
index 04cebfad..515d3e81 100644
--- a/v2/object/grpc/service.go
+++ b/v2/object/grpc/service.go
@@ -2,7 +2,7 @@ package object
 
 import (
 	refs "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
-	service "github.com/nspcc-dev/neofs-api-go/v2/service/grpc"
+	session "github.com/nspcc-dev/neofs-api-go/v2/session/grpc"
 )
 
 // SetAddress sets address of the requested object.
@@ -27,14 +27,14 @@ func (m *GetRequest) SetBody(v *GetRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *GetRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *GetRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *GetRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *GetRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -101,14 +101,14 @@ func (m *GetResponse) SetBody(v *GetResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *GetResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *GetResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *GetResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *GetResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -182,14 +182,14 @@ func (m *PutRequest) SetBody(v *PutRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *PutRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *PutRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *PutRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *PutRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -210,14 +210,14 @@ func (m *PutResponse) SetBody(v *PutResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *PutResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *PutResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *PutResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *PutResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -238,14 +238,14 @@ func (m *DeleteRequest) SetBody(v *DeleteRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *DeleteRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *DeleteRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *DeleteRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *DeleteRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -259,14 +259,14 @@ func (m *DeleteResponse) SetBody(v *DeleteResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *DeleteResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *DeleteResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *DeleteResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *DeleteResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -301,14 +301,14 @@ func (m *HeadRequest) SetBody(v *HeadRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *HeadRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *HeadRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *HeadRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *HeadRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -368,14 +368,14 @@ func (m *HeadResponse) SetBody(v *HeadResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *HeadResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *HeadResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *HeadResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *HeadResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -431,14 +431,14 @@ func (m *SearchRequest) SetBody(v *SearchRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *SearchRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *SearchRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *SearchRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *SearchRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -459,14 +459,14 @@ func (m *SearchResponse) SetBody(v *SearchResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *SearchResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *SearchResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *SearchResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *SearchResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -508,14 +508,14 @@ func (m *GetRangeRequest) SetBody(v *GetRangeRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *GetRangeRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *GetRangeRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *GetRangeRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *GetRangeRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -536,14 +536,14 @@ func (m *GetRangeResponse) SetBody(v *GetRangeResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *GetRangeResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *GetRangeResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *GetRangeResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *GetRangeResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -585,14 +585,14 @@ func (m *GetRangeHashRequest) SetBody(v *GetRangeHashRequest_Body) {
 }
 
 // SetMetaHeader sets meta header of the request.
-func (m *GetRangeHashRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (m *GetRangeHashRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the request.
-func (m *GetRangeHashRequest) SetVerifyHeader(v *service.RequestVerificationHeader) {
+func (m *GetRangeHashRequest) SetVerifyHeader(v *session.RequestVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
@@ -620,14 +620,14 @@ func (m *GetRangeHashResponse) SetBody(v *GetRangeHashResponse_Body) {
 }
 
 // SetMetaHeader sets meta header of the response.
-func (m *GetRangeHashResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (m *GetRangeHashResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if m != nil {
 		m.MetaHeader = v
 	}
 }
 
 // SetVerifyHeader sets verification header of the response.
-func (m *GetRangeHashResponse) SetVerifyHeader(v *service.ResponseVerificationHeader) {
+func (m *GetRangeHashResponse) SetVerifyHeader(v *session.ResponseVerificationHeader) {
 	if m != nil {
 		m.VerifyHeader = v
 	}
diff --git a/v2/object/grpc/types.go b/v2/object/grpc/types.go
index 24216ab2..fa3ae76d 100644
--- a/v2/object/grpc/types.go
+++ b/v2/object/grpc/types.go
@@ -2,7 +2,7 @@ package object
 
 import (
 	refs "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc"
-	service "github.com/nspcc-dev/neofs-api-go/v2/service/grpc"
+	session "github.com/nspcc-dev/neofs-api-go/v2/session/grpc"
 )
 
 // SetKey sets key to the object attribute.
@@ -111,7 +111,7 @@ func (m *Header) SetHomomorphicHash(v *refs.Checksum) {
 }
 
 // SetSessionToken sets session token.
-func (m *Header) SetSessionToken(v *service.SessionToken) {
+func (m *Header) SetSessionToken(v *session.SessionToken) {
 	if m != nil {
 		m.SessionToken = v
 	}
diff --git a/v2/object/marshal_test.go b/v2/object/marshal_test.go
index 02480bd4..19ab6d59 100644
--- a/v2/object/marshal_test.go
+++ b/v2/object/marshal_test.go
@@ -7,7 +7,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/v2/object"
 	grpc "github.com/nspcc-dev/neofs-api-go/v2/object/grpc"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 	"github.com/stretchr/testify/require"
 )
 
@@ -405,24 +405,24 @@ func generateAddress(cid, oid string) *refs.Address {
 	return addr
 }
 
-func generateSessionToken(id string) *service.SessionToken {
-	lifetime := new(service.TokenLifetime)
+func generateSessionToken(id string) *session.SessionToken {
+	lifetime := new(session.TokenLifetime)
 	lifetime.SetExp(1)
 	lifetime.SetNbf(2)
 	lifetime.SetIat(3)
 
-	objectCtx := new(service.ObjectSessionContext)
-	objectCtx.SetVerb(service.ObjectVerbPut)
+	objectCtx := new(session.ObjectSessionContext)
+	objectCtx.SetVerb(session.ObjectVerbPut)
 	objectCtx.SetAddress(generateAddress("Container ID", "Object ID"))
 
-	tokenBody := new(service.SessionTokenBody)
+	tokenBody := new(session.SessionTokenBody)
 	tokenBody.SetID([]byte(id))
 	tokenBody.SetOwnerID(generateOwner("Owner ID"))
 	tokenBody.SetSessionKey([]byte(id))
 	tokenBody.SetLifetime(lifetime)
 	tokenBody.SetContext(objectCtx)
 
-	sessionToken := new(service.SessionToken)
+	sessionToken := new(session.SessionToken)
 	sessionToken.SetBody(tokenBody)
 	sessionToken.SetSignature(generateSignature("public key", id))
 
diff --git a/v2/object/types.go b/v2/object/types.go
index 5f421fc3..d1328f89 100644
--- a/v2/object/types.go
+++ b/v2/object/types.go
@@ -2,7 +2,7 @@ package object
 
 import (
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 )
 
 type Type uint32
@@ -50,7 +50,7 @@ type Header struct {
 
 	typ Type
 
-	sessionToken *service.SessionToken
+	sessionToken *session.SessionToken
 
 	attr []*Attribute
 
@@ -76,9 +76,9 @@ type GetRequestBody struct {
 type GetRequest struct {
 	body *GetRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type GetObjectPart interface {
@@ -104,9 +104,9 @@ type GetResponseBody struct {
 type GetResponse struct {
 	body *GetResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type PutObjectPart interface {
@@ -134,9 +134,9 @@ type PutRequestBody struct {
 type PutRequest struct {
 	body *PutRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type PutResponseBody struct {
@@ -146,9 +146,9 @@ type PutResponseBody struct {
 type PutResponse struct {
 	body *PutResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type DeleteRequestBody struct {
@@ -158,9 +158,9 @@ type DeleteRequestBody struct {
 type DeleteRequest struct {
 	body *DeleteRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type DeleteResponseBody struct{}
@@ -168,9 +168,9 @@ type DeleteResponseBody struct{}
 type DeleteResponse struct {
 	body *DeleteResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type HeadRequestBody struct {
@@ -182,9 +182,9 @@ type HeadRequestBody struct {
 type HeadRequest struct {
 	body *HeadRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type GetHeaderPart interface {
@@ -206,9 +206,9 @@ type HeadResponseBody struct {
 type HeadResponse struct {
 	body *HeadResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type SearchFilter struct {
@@ -228,9 +228,9 @@ type SearchRequestBody struct {
 type SearchRequest struct {
 	body *SearchRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type SearchResponseBody struct {
@@ -240,9 +240,9 @@ type SearchResponseBody struct {
 type SearchResponse struct {
 	body *SearchResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type Range struct {
@@ -258,9 +258,9 @@ type GetRangeRequestBody struct {
 type GetRangeRequest struct {
 	body *GetRangeRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type GetRangeResponseBody struct {
@@ -270,9 +270,9 @@ type GetRangeResponseBody struct {
 type GetRangeResponse struct {
 	body *GetRangeResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 type GetRangeHashRequestBody struct {
@@ -288,9 +288,9 @@ type GetRangeHashRequestBody struct {
 type GetRangeHashRequest struct {
 	body *GetRangeHashRequestBody
 
-	metaHeader *service.RequestMetaHeader
+	metaHeader *session.RequestMetaHeader
 
-	verifyHeader *service.RequestVerificationHeader
+	verifyHeader *session.RequestVerificationHeader
 }
 
 type GetRangeHashResponseBody struct {
@@ -302,9 +302,9 @@ type GetRangeHashResponseBody struct {
 type GetRangeHashResponse struct {
 	body *GetRangeHashResponseBody
 
-	metaHeader *service.ResponseMetaHeader
+	metaHeader *session.ResponseMetaHeader
 
-	verifyHeader *service.ResponseVerificationHeader
+	verifyHeader *session.ResponseVerificationHeader
 }
 
 const (
@@ -598,7 +598,7 @@ func (h *Header) SetHomomorphicHash(v *refs.Checksum) {
 	}
 }
 
-func (h *Header) GetSessionToken() *service.SessionToken {
+func (h *Header) GetSessionToken() *session.SessionToken {
 	if h != nil {
 		return h.sessionToken
 	}
@@ -606,7 +606,7 @@ func (h *Header) GetSessionToken() *service.SessionToken {
 	return nil
 }
 
-func (h *Header) SetSessionToken(v *service.SessionToken) {
+func (h *Header) SetSessionToken(v *session.SessionToken) {
 	if h != nil {
 		h.sessionToken = v
 	}
@@ -738,7 +738,7 @@ func (r *GetRequest) SetBody(v *GetRequestBody) {
 	}
 }
 
-func (r *GetRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *GetRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -746,13 +746,13 @@ func (r *GetRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *GetRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *GetRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *GetRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -760,7 +760,7 @@ func (r *GetRequest) GetVerificationHeader() *service.RequestVerificationHeader
 	return nil
 }
 
-func (r *GetRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *GetRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -854,7 +854,7 @@ func (r *GetResponse) SetBody(v *GetResponseBody) {
 	}
 }
 
-func (r *GetResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *GetResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -862,13 +862,13 @@ func (r *GetResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *GetResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *GetResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *GetResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -876,7 +876,7 @@ func (r *GetResponse) GetVerificationHeader() *service.ResponseVerificationHeade
 	return nil
 }
 
-func (r *GetResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *GetResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -984,7 +984,7 @@ func (r *PutRequest) SetBody(v *PutRequestBody) {
 	}
 }
 
-func (r *PutRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *PutRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -992,13 +992,13 @@ func (r *PutRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *PutRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *PutRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *PutRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *PutRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1006,7 +1006,7 @@ func (r *PutRequest) GetVerificationHeader() *service.RequestVerificationHeader
 	return nil
 }
 
-func (r *PutRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *PutRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1040,7 +1040,7 @@ func (r *PutResponse) SetBody(v *PutResponseBody) {
 	}
 }
 
-func (r *PutResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *PutResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1048,13 +1048,13 @@ func (r *PutResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *PutResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *PutResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *PutResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *PutResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1062,7 +1062,7 @@ func (r *PutResponse) GetVerificationHeader() *service.ResponseVerificationHeade
 	return nil
 }
 
-func (r *PutResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *PutResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1096,7 +1096,7 @@ func (r *DeleteRequest) SetBody(v *DeleteRequestBody) {
 	}
 }
 
-func (r *DeleteRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *DeleteRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1104,13 +1104,13 @@ func (r *DeleteRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *DeleteRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *DeleteRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *DeleteRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *DeleteRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1118,7 +1118,7 @@ func (r *DeleteRequest) GetVerificationHeader() *service.RequestVerificationHead
 	return nil
 }
 
-func (r *DeleteRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *DeleteRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1138,7 +1138,7 @@ func (r *DeleteResponse) SetBody(v *DeleteResponseBody) {
 	}
 }
 
-func (r *DeleteResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *DeleteResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1146,13 +1146,13 @@ func (r *DeleteResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *DeleteResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *DeleteResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *DeleteResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *DeleteResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1160,7 +1160,7 @@ func (r *DeleteResponse) GetVerificationHeader() *service.ResponseVerificationHe
 	return nil
 }
 
-func (r *DeleteResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *DeleteResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1222,7 +1222,7 @@ func (r *HeadRequest) SetBody(v *HeadRequestBody) {
 	}
 }
 
-func (r *HeadRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *HeadRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1230,13 +1230,13 @@ func (r *HeadRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *HeadRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *HeadRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *HeadRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *HeadRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1244,7 +1244,7 @@ func (r *HeadRequest) GetVerificationHeader() *service.RequestVerificationHeader
 	return nil
 }
 
-func (r *HeadRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *HeadRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1310,7 +1310,7 @@ func (r *HeadResponse) SetBody(v *HeadResponseBody) {
 	}
 }
 
-func (r *HeadResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *HeadResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1318,13 +1318,13 @@ func (r *HeadResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *HeadResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *HeadResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *HeadResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *HeadResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1332,7 +1332,7 @@ func (r *HeadResponse) GetVerificationHeader() *service.ResponseVerificationHead
 	return nil
 }
 
-func (r *HeadResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *HeadResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1436,7 +1436,7 @@ func (r *SearchRequest) SetBody(v *SearchRequestBody) {
 	}
 }
 
-func (r *SearchRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *SearchRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1444,13 +1444,13 @@ func (r *SearchRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *SearchRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *SearchRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *SearchRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *SearchRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1458,7 +1458,7 @@ func (r *SearchRequest) GetVerificationHeader() *service.RequestVerificationHead
 	return nil
 }
 
-func (r *SearchRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *SearchRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1492,7 +1492,7 @@ func (r *SearchResponse) SetBody(v *SearchResponseBody) {
 	}
 }
 
-func (r *SearchResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *SearchResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1500,13 +1500,13 @@ func (r *SearchResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *SearchResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *SearchResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *SearchResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *SearchResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1514,7 +1514,7 @@ func (r *SearchResponse) GetVerificationHeader() *service.ResponseVerificationHe
 	return nil
 }
 
-func (r *SearchResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *SearchResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1590,7 +1590,7 @@ func (r *GetRangeRequest) SetBody(v *GetRangeRequestBody) {
 	}
 }
 
-func (r *GetRangeRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *GetRangeRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1598,13 +1598,13 @@ func (r *GetRangeRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *GetRangeRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *GetRangeRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetRangeRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *GetRangeRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1612,7 +1612,7 @@ func (r *GetRangeRequest) GetVerificationHeader() *service.RequestVerificationHe
 	return nil
 }
 
-func (r *GetRangeRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *GetRangeRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1646,7 +1646,7 @@ func (r *GetRangeResponse) SetBody(v *GetRangeResponseBody) {
 	}
 }
 
-func (r *GetRangeResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *GetRangeResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1654,13 +1654,13 @@ func (r *GetRangeResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *GetRangeResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *GetRangeResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetRangeResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *GetRangeResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1668,7 +1668,7 @@ func (r *GetRangeResponse) GetVerificationHeader() *service.ResponseVerification
 	return nil
 }
 
-func (r *GetRangeResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *GetRangeResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1744,7 +1744,7 @@ func (r *GetRangeHashRequest) SetBody(v *GetRangeHashRequestBody) {
 	}
 }
 
-func (r *GetRangeHashRequest) GetMetaHeader() *service.RequestMetaHeader {
+func (r *GetRangeHashRequest) GetMetaHeader() *session.RequestMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1752,13 +1752,13 @@ func (r *GetRangeHashRequest) GetMetaHeader() *service.RequestMetaHeader {
 	return nil
 }
 
-func (r *GetRangeHashRequest) SetMetaHeader(v *service.RequestMetaHeader) {
+func (r *GetRangeHashRequest) SetMetaHeader(v *session.RequestMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetRangeHashRequest) GetVerificationHeader() *service.RequestVerificationHeader {
+func (r *GetRangeHashRequest) GetVerificationHeader() *session.RequestVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1766,7 +1766,7 @@ func (r *GetRangeHashRequest) GetVerificationHeader() *service.RequestVerificati
 	return nil
 }
 
-func (r *GetRangeHashRequest) SetVerificationHeader(v *service.RequestVerificationHeader) {
+func (r *GetRangeHashRequest) SetVerificationHeader(v *session.RequestVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
@@ -1814,7 +1814,7 @@ func (r *GetRangeHashResponse) SetBody(v *GetRangeHashResponseBody) {
 	}
 }
 
-func (r *GetRangeHashResponse) GetMetaHeader() *service.ResponseMetaHeader {
+func (r *GetRangeHashResponse) GetMetaHeader() *session.ResponseMetaHeader {
 	if r != nil {
 		return r.metaHeader
 	}
@@ -1822,13 +1822,13 @@ func (r *GetRangeHashResponse) GetMetaHeader() *service.ResponseMetaHeader {
 	return nil
 }
 
-func (r *GetRangeHashResponse) SetMetaHeader(v *service.ResponseMetaHeader) {
+func (r *GetRangeHashResponse) SetMetaHeader(v *session.ResponseMetaHeader) {
 	if r != nil {
 		r.metaHeader = v
 	}
 }
 
-func (r *GetRangeHashResponse) GetVerificationHeader() *service.ResponseVerificationHeader {
+func (r *GetRangeHashResponse) GetVerificationHeader() *session.ResponseVerificationHeader {
 	if r != nil {
 		return r.verifyHeader
 	}
@@ -1836,7 +1836,7 @@ func (r *GetRangeHashResponse) GetVerificationHeader() *service.ResponseVerifica
 	return nil
 }
 
-func (r *GetRangeHashResponse) SetVerificationHeader(v *service.ResponseVerificationHeader) {
+func (r *GetRangeHashResponse) SetVerificationHeader(v *session.ResponseVerificationHeader) {
 	if r != nil {
 		r.verifyHeader = v
 	}
diff --git a/v2/signature/sign.go b/v2/signature/sign.go
index 2cb768a2..8adaf3eb 100644
--- a/v2/signature/sign.go
+++ b/v2/signature/sign.go
@@ -9,21 +9,20 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/v2/container"
 	"github.com/nspcc-dev/neofs-api-go/v2/object"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
 	"github.com/nspcc-dev/neofs-api-go/v2/session"
 	"github.com/pkg/errors"
 )
 
 type serviceRequest interface {
-	GetMetaHeader() *service.RequestMetaHeader
-	GetVerificationHeader() *service.RequestVerificationHeader
-	SetVerificationHeader(*service.RequestVerificationHeader)
+	GetMetaHeader() *session.RequestMetaHeader
+	GetVerificationHeader() *session.RequestVerificationHeader
+	SetVerificationHeader(*session.RequestVerificationHeader)
 }
 
 type serviceResponse interface {
-	GetMetaHeader() *service.ResponseMetaHeader
-	GetVerificationHeader() *service.ResponseVerificationHeader
-	SetVerificationHeader(*service.ResponseVerificationHeader)
+	GetMetaHeader() *session.ResponseMetaHeader
+	GetVerificationHeader() *session.ResponseVerificationHeader
+	SetVerificationHeader(*session.ResponseVerificationHeader)
 }
 
 type stableMarshaler interface {
@@ -55,19 +54,19 @@ type verificationHeader interface {
 }
 
 type requestMetaHeader struct {
-	*service.RequestMetaHeader
+	*session.RequestMetaHeader
 }
 
 type responseMetaHeader struct {
-	*service.ResponseMetaHeader
+	*session.ResponseMetaHeader
 }
 
 type requestVerificationHeader struct {
-	*service.RequestVerificationHeader
+	*session.RequestVerificationHeader
 }
 
 type responseVerificationHeader struct {
-	*service.ResponseVerificationHeader
+	*session.ResponseVerificationHeader
 }
 
 func (h *requestMetaHeader) getOrigin() metaHeader {
@@ -94,7 +93,7 @@ func (h *requestVerificationHeader) getOrigin() verificationHeader {
 
 func (h *requestVerificationHeader) setOrigin(m stableMarshaler) {
 	if m != nil {
-		h.SetOrigin(m.(*service.RequestVerificationHeader))
+		h.SetOrigin(m.(*session.RequestVerificationHeader))
 	}
 }
 
@@ -110,7 +109,7 @@ func (r *responseVerificationHeader) getOrigin() verificationHeader {
 
 func (r *responseVerificationHeader) setOrigin(m stableMarshaler) {
 	if m != nil {
-		r.SetOrigin(m.(*service.ResponseVerificationHeader))
+		r.SetOrigin(m.(*session.ResponseVerificationHeader))
 	}
 }
 
@@ -156,7 +155,7 @@ func SignServiceMessage(key *ecdsa.PrivateKey, msg interface{}) error {
 	case serviceRequest:
 		body = serviceMessageBody(v)
 		meta = v.GetMetaHeader()
-		verifyHdr = &requestVerificationHeader{new(service.RequestVerificationHeader)}
+		verifyHdr = &requestVerificationHeader{new(session.RequestVerificationHeader)}
 		verifyHdrSetter = func(h verificationHeader) {
 			v.SetVerificationHeader(h.(*requestVerificationHeader).RequestVerificationHeader)
 		}
@@ -167,7 +166,7 @@ func SignServiceMessage(key *ecdsa.PrivateKey, msg interface{}) error {
 	case serviceResponse:
 		body = serviceMessageBody(v)
 		meta = v.GetMetaHeader()
-		verifyHdr = &responseVerificationHeader{new(service.ResponseVerificationHeader)}
+		verifyHdr = &responseVerificationHeader{new(session.ResponseVerificationHeader)}
 		verifyHdrSetter = func(h verificationHeader) {
 			v.SetVerificationHeader(h.(*responseVerificationHeader).ResponseVerificationHeader)
 		}
@@ -176,11 +175,11 @@ func SignServiceMessage(key *ecdsa.PrivateKey, msg interface{}) error {
 			verifyOrigin = h
 		}
 	default:
-		panic(fmt.Sprintf("unsupported service message %T", v))
+		panic(fmt.Sprintf("unsupported session message %T", v))
 	}
 
 	if verifyOrigin == nil {
-		// sign service message body
+		// sign session message body
 		if err := signServiceMessagePart(key, body, verifyHdr.SetBodySignature); err != nil {
 			return errors.Wrap(err, "could not sign body")
 		}
@@ -249,7 +248,7 @@ func VerifyServiceMessage(msg interface{}) error {
 			ResponseVerificationHeader: v.GetVerificationHeader(),
 		}
 	default:
-		panic(fmt.Sprintf("unsupported service message %T", v))
+		panic(fmt.Sprintf("unsupported session message %T", v))
 	}
 
 	return verifyMatryoshkaLevel(serviceMessageBody(msg), meta, verify)
@@ -291,7 +290,7 @@ func verifyServiceMessagePart(part stableMarshaler, sigRdr func() *refs.Signatur
 func serviceMessageBody(req interface{}) stableMarshaler {
 	switch v := req.(type) {
 	default:
-		panic(fmt.Sprintf("unsupported service message %T", req))
+		panic(fmt.Sprintf("unsupported session message %T", req))
 
 		/* Accounting */
 	case *accounting.BalanceRequest:
diff --git a/v2/signature/sign_test.go b/v2/signature/sign_test.go
index a1bfcab2..cd3aee8a 100644
--- a/v2/signature/sign_test.go
+++ b/v2/signature/sign_test.go
@@ -4,7 +4,7 @@ import (
 	"testing"
 
 	"github.com/nspcc-dev/neofs-api-go/v2/accounting"
-	"github.com/nspcc-dev/neofs-api-go/v2/service"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
 	crypto "github.com/nspcc-dev/neofs-crypto"
 	"github.com/stretchr/testify/require"
 )
@@ -16,7 +16,7 @@ func TestBalanceResponse(t *testing.T) {
 	body := new(accounting.BalanceResponseBody)
 	body.SetBalance(dec)
 
-	meta := new(service.ResponseMetaHeader)
+	meta := new(session.ResponseMetaHeader)
 	meta.SetTTL(1)
 
 	req := new(accounting.BalanceResponse)
@@ -36,7 +36,7 @@ func TestBalanceResponse(t *testing.T) {
 	require.NoError(t, VerifyServiceMessage(req))
 
 	// add level to meta header matryoshka
-	meta = new(service.ResponseMetaHeader)
+	meta = new(session.ResponseMetaHeader)
 	meta.SetOrigin(req.GetMetaHeader())
 	req.SetMetaHeader(meta)