diff --git a/block_types.go b/block_types.go
index ad41611..384c8ef 100644
--- a/block_types.go
+++ b/block_types.go
@@ -17,17 +17,23 @@ type Block struct {
 type BlockUploadReq struct {
 	AddressID  string
 	ShareID    string
+	VolumeID   string `json:",omitempty"`
 	LinkID     string
 	RevisionID string
 
 	BlockList []BlockUploadInfo
 }
 
+type Verifier struct {
+	Token string
+}
+
 type BlockUploadInfo struct {
 	Index        int
-	Size         int64
-	EncSignature string
-	Hash         string
+	Verifier     *Verifier `json:",omitempty"`
+	Size         int64     `json:",omitempty"`
+	EncSignature string    `json:",omitempty"`
+	Hash         string    `json:",omitempty"`
 }
 
 type BlockUploadLink struct {
diff --git a/link.go b/link.go
index 5822256..dbae317 100644
--- a/link.go
+++ b/link.go
@@ -36,6 +36,20 @@ func (c *Client) MoveLink(ctx context.Context, shareID, linkID string, req MoveL
 	return nil
 }
 
+func (c *Client) MoveLinkByVolume(ctx context.Context, volumeID, linkID string, req MoveLinkReq) error {
+	var res struct {
+		Code int
+	}
+
+	if err := c.do(ctx, func(r *resty.Request) (*resty.Response, error) {
+		return r.SetResult(&res).SetBody(req).Put("/drive/v2/volumes/" + volumeID + "/links/" + linkID + "/move")
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func (c *Client) CreateFile(ctx context.Context, shareID string, req CreateFileReq) (CreateFileRes, error) {
 	var res struct {
 		Code int
diff --git a/link_file.go b/link_file.go
index 173d9b8..a2c849b 100644
--- a/link_file.go
+++ b/link_file.go
@@ -89,3 +89,23 @@ func (c *Client) CreateRevision(ctx context.Context, shareID, linkID string) (Cr
 
 	return res.Revision, nil
 }
+
+func (c *Client) GetRevisionVerification(ctx context.Context, shareID, linkID, revisionID string) (RevisionVerificationRes, error) {
+	var res struct {
+		VerificationCode string
+		ContentKeyPacket string
+	}
+
+	if err := c.do(ctx, func(r *resty.Request) (*resty.Response, error) {
+		return r.
+			SetResult(&res).
+			Get("/drive/shares/" + shareID + "/links/" + linkID + "/revisions/" + revisionID + "/verification")
+	}); err != nil {
+		return RevisionVerificationRes{}, err
+	}
+
+	return RevisionVerificationRes{
+		VerificationCode: res.VerificationCode,
+		ContentKeyPacket: res.ContentKeyPacket,
+	}, nil
+}
diff --git a/link_file_route_test.go b/link_file_route_test.go
new file mode 100644
index 0000000..9deaab1
--- /dev/null
+++ b/link_file_route_test.go
@@ -0,0 +1,66 @@
+package proton_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/rclone/go-proton-api"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMoveLinkByVolumeUsesV2Endpoint(t *testing.T) {
+	var gotMethod string
+	var gotPath string
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotMethod = r.Method
+		gotPath = r.URL.Path
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"Code":1000}`))
+	}))
+	defer ts.Close()
+
+	m := proton.New(proton.WithHostURL(ts.URL))
+	defer m.Close()
+
+	c := m.NewClient("", "", "")
+	defer c.Close()
+
+	err := c.MoveLinkByVolume(context.Background(), "volume-id", "link-id", proton.MoveLinkReq{
+		ParentLinkID: "parent-link-id",
+		Name:         "encrypted-name",
+		OriginalHash: "original-hash",
+		Hash:         "new-hash",
+	})
+	require.NoError(t, err)
+	require.Equal(t, http.MethodPut, gotMethod)
+	require.Equal(t, "/drive/v2/volumes/volume-id/links/link-id/move", gotPath)
+}
+
+func TestGetRevisionVerificationUsesShareVerificationEndpoint(t *testing.T) {
+	var gotMethod string
+	var gotPath string
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotMethod = r.Method
+		gotPath = r.URL.Path
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"VerificationCode":"abc","ContentKeyPacket":"def"}`))
+	}))
+	defer ts.Close()
+
+	m := proton.New(proton.WithHostURL(ts.URL))
+	defer m.Close()
+
+	c := m.NewClient("", "", "")
+	defer c.Close()
+
+	res, err := c.GetRevisionVerification(context.Background(), "share-id", "link-id", "revision-id")
+	require.NoError(t, err)
+	require.Equal(t, http.MethodGet, gotMethod)
+	require.Equal(t, "/drive/shares/share-id/links/link-id/revisions/revision-id/verification", gotPath)
+	require.Equal(t, "abc", res.VerificationCode)
+	require.Equal(t, "def", res.ContentKeyPacket)
+}
diff --git a/link_file_types.go b/link_file_types.go
index a06a6b4..27a5f63 100644
--- a/link_file_types.go
+++ b/link_file_types.go
@@ -40,13 +40,17 @@ func GetNameHash(name string, hashKey []byte) (string, error) {
 type MoveLinkReq struct {
 	ParentLinkID string
 
-	Name                    string // Encrypted File Name
-	OriginalHash            string // Old Encrypted File Name Hash
-	Hash                    string // Encrypted File Name Hash by using parent's NodeHashKey
+	Name               string  // Encrypted File Name
+	NameSignatureEmail string  `json:",omitempty"`
+	OriginalHash       string  // Old Encrypted File Name Hash
+	Hash               string  // Encrypted File Name Hash by using parent's NodeHashKey
+	ContentHash        *string `json:",omitempty"`
+
 	NodePassphrase          string // The passphrase used to unlock the NodeKey, encrypted by the owning Link/Share keyring.
-	NodePassphraseSignature string // The signature of the NodePassphrase
+	NodePassphraseSignature string `json:",omitempty"` // The signature of the NodePassphrase
+	SignatureEmail          string `json:",omitempty"`
 
-	SignatureAddress string // Signature email address used to sign passphrase and name
+	SignatureAddress string `json:",omitempty"` // Signature email address used to sign passphrase and name
 }
 
 func (moveLinkReq *MoveLinkReq) SetName(name string, addrKR, nodeKR *crypto.KeyRing) error {
@@ -142,6 +146,11 @@ type CreateRevisionRes struct {
 	ID string // Encrypted Revision ID
 }
 
+type RevisionVerificationRes struct {
+	VerificationCode string
+	ContentKeyPacket string
+}
+
 type CommitRevisionReq struct {
 	ManifestSignature string
 	SignatureAddress  string
diff --git a/link_folder.go b/link_folder.go
index 7e403a0..a57ff5d 100644
--- a/link_folder.go
+++ b/link_folder.go
@@ -9,6 +9,10 @@ import (
 	"github.com/go-resty/resty/v2"
 )
 
+func isDeleteChildrenResponseCodeAllowed(code Code) bool {
+	return code == SuccessCode || code == AFileOrFolderNotFound
+}
+
 func (c *Client) ListChildren(ctx context.Context, shareID, linkID string, showAll bool) ([]Link, error) {
 	var res struct {
 		Links []Link
@@ -107,7 +111,7 @@ func (c *Client) DeleteChildren(ctx context.Context, shareID, linkID string, chi
 		}
 
 		for _, res := range res.Responses {
-			if res.Response.Code != SuccessCode {
+			if !isDeleteChildrenResponseCodeAllowed(res.Response.Code) {
 				return fmt.Errorf("failed to delete child: %w", res.Response)
 			}
 		}
diff --git a/link_folder_test.go b/link_folder_test.go
new file mode 100644
index 0000000..252635b
--- /dev/null
+++ b/link_folder_test.go
@@ -0,0 +1,24 @@
+package proton
+
+import "testing"
+
+func TestIsDeleteChildrenResponseCodeAllowed(t *testing.T) {
+	tests := []struct {
+		name string
+		code Code
+		want bool
+	}{
+		{name: "success", code: SuccessCode, want: true},
+		{name: "not_found", code: 2501, want: true},
+		{name: "conflict", code: AFileOrFolderNameExist, want: false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := isDeleteChildrenResponseCodeAllowed(tt.code)
+			if got != tt.want {
+				t.Fatalf("unexpected result: got=%v want=%v", got, tt.want)
+			}
+		})
+	}
+}
diff --git a/manager_builder.go b/manager_builder.go
index 2cb22cc..eff0d6b 100644
--- a/manager_builder.go
+++ b/manager_builder.go
@@ -22,30 +22,32 @@ const (
 )
 
 type managerBuilder struct {
-	hostURL      string
-	appVersion   string
-	userAgent    string
-	transport    http.RoundTripper
-	verifyProofs bool
-	cookieJar    http.CookieJar
-	retryCount   int
-	logger       resty.Logger
-	debug        bool
-	panicHandler async.PanicHandler
+	hostURL         string
+	appVersion      string
+	driveSDKVersion string
+	userAgent       string
+	transport       http.RoundTripper
+	verifyProofs    bool
+	cookieJar       http.CookieJar
+	retryCount      int
+	logger          resty.Logger
+	debug           bool
+	panicHandler    async.PanicHandler
 }
 
 func newManagerBuilder() *managerBuilder {
 	return &managerBuilder{
-		hostURL:      DefaultHostURL,
-		appVersion:   DefaultAppVersion,
-		userAgent:    DefaultUserAgent,
-		transport:    http.DefaultTransport,
-		verifyProofs: true,
-		cookieJar:    nil,
-		retryCount:   3,
-		logger:       nil,
-		debug:        false,
-		panicHandler: async.NoopPanicHandler{},
+		hostURL:         DefaultHostURL,
+		appVersion:      DefaultAppVersion,
+		driveSDKVersion: "",
+		userAgent:       DefaultUserAgent,
+		transport:       http.DefaultTransport,
+		verifyProofs:    true,
+		cookieJar:       nil,
+		retryCount:      3,
+		logger:          nil,
+		debug:           false,
+		panicHandler:    async.NoopPanicHandler{},
 	}
 }
 
@@ -80,6 +82,9 @@ func (builder *managerBuilder) build() *Manager {
 	// Set app version in header.
 	m.rc.OnBeforeRequest(func(_ *resty.Client, req *resty.Request) error {
 		req.SetHeader("x-pm-appversion", builder.appVersion)
+		if builder.driveSDKVersion != "" {
+			req.SetHeader("x-pm-drive-sdk-version", builder.driveSDKVersion)
+		}
 		req.SetHeader("User-Agent", builder.userAgent)
 		return nil
 	})
diff --git a/manager_test.go b/manager_test.go
index bf9c890..d6fd69c 100644
--- a/manager_test.go
+++ b/manager_test.go
@@ -16,6 +16,52 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+func TestManagerSetsSDKHeadersWhenConfigured(t *testing.T) {
+	var gotAppVersion string
+	var gotSDKVersion string
+	var gotUserAgent string
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotAppVersion = r.Header.Get("x-pm-appversion")
+		gotSDKVersion = r.Header.Get("x-pm-drive-sdk-version")
+		gotUserAgent = r.Header.Get("User-Agent")
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer ts.Close()
+
+	m := proton.New(
+		proton.WithHostURL(ts.URL),
+		proton.WithAppVersion("web-drive@5.2.0+af66c8fa"),
+		proton.WithDriveSDKVersion("js@0.10.0"),
+		proton.WithUserAgent("go-proton-api-tests"),
+	)
+	defer m.Close()
+
+	require.NoError(t, m.Ping(context.Background()))
+	require.Equal(t, "web-drive@5.2.0+af66c8fa", gotAppVersion)
+	require.Equal(t, "js@0.10.0", gotSDKVersion)
+	require.Equal(t, "go-proton-api-tests", gotUserAgent)
+}
+
+func TestManagerOmitsSDKHeaderByDefault(t *testing.T) {
+	var gotSDKVersion string
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotSDKVersion = r.Header.Get("x-pm-drive-sdk-version")
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer ts.Close()
+
+	m := proton.New(
+		proton.WithHostURL(ts.URL),
+		proton.WithAppVersion("test-app-version"),
+	)
+	defer m.Close()
+
+	require.NoError(t, m.Ping(context.Background()))
+	require.Equal(t, "", gotSDKVersion)
+}
+
 func TestConnectionReuse(t *testing.T) {
 	s := server.New()
 	defer s.Close()
diff --git a/option.go b/option.go
index 5dc3239..37e86a7 100644
--- a/option.go
+++ b/option.go
@@ -32,6 +32,20 @@ func WithAppVersion(appVersion string) Option {
 	}
 }
 
+func WithDriveSDKVersion(driveSDKVersion string) Option {
+	return &withDriveSDKVersion{
+		driveSDKVersion: driveSDKVersion,
+	}
+}
+
+type withDriveSDKVersion struct {
+	driveSDKVersion string
+}
+
+func (opt withDriveSDKVersion) config(builder *managerBuilder) {
+	builder.driveSDKVersion = opt.driveSDKVersion
+}
+
 type withUserAgent struct {
 	userAgent string
 }
diff --git a/response.go b/response.go
index 0ce36d7..5183c25 100644
--- a/response.go
+++ b/response.go
@@ -34,6 +34,7 @@ const (
 	// ProtonDrive
 	AFileOrFolderNameExist Code = 2500
 	ADraftExist            Code = 2500
+	AFileOrFolderNotFound  Code = 2501
 )
 
 var (