diff --git a/domain.go b/domain.go
index 2d3cc93..7b83a5f 100644
--- a/domain.go
+++ b/domain.go
@@ -273,6 +273,7 @@ type TorrentAddOptions struct {
 	LimitRatio         float64
 	LimitSeedTime      int64
 	Rename             string
+	FirstLastPiecePrio bool
 }
 
 func (o *TorrentAddOptions) Prepare() map[string]string {
@@ -329,6 +330,8 @@ func (o *TorrentAddOptions) Prepare() map[string]string {
 		options["rename"] = o.Rename
 	}
 
+	options["firstLastPiecePrio"] = strconv.FormatBool(o.FirstLastPiecePrio)
+
 	return options
 }
 
diff --git a/domain_test.go b/domain_test.go
index 7782f1c..8c03a57 100644
--- a/domain_test.go
+++ b/domain_test.go
@@ -20,6 +20,7 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 		LimitRatio         float64
 		LimitSeedTime      int64
 		Rename             string
+		FirstLastPiecePrio bool
 	}
 	tests := []struct {
 		name   string
@@ -42,16 +43,17 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 				LimitSeedTime:      100,
 			},
 			want: map[string]string{
-				"paused":           "false",
-				"skip_checking":    "true",
-				"autoTMM":          "false",
-				"ratioLimit":       "2.00",
-				"savepath":         "/home/test/torrents",
-				"seedingTimeLimit": "100",
-				"category":         "test",
-				"tags":             "limited,slow",
-				"upLimit":          "102400000",
-				"dlLimit":          "102400000",
+				"paused":             "false",
+				"skip_checking":      "true",
+				"autoTMM":            "false",
+				"firstLastPiecePrio": "false",
+				"ratioLimit":         "2.00",
+				"savepath":           "/home/test/torrents",
+				"seedingTimeLimit":   "100",
+				"category":           "test",
+				"tags":               "limited,slow",
+				"upLimit":            "102400000",
+				"dlLimit":            "102400000",
 			},
 		},
 		{
@@ -70,18 +72,19 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 				LimitSeedTime:      100,
 			},
 			want: map[string]string{
-				"paused":           "false",
-				"skip_checking":    "true",
-				"root_folder":      "true",
-				"contentLayout":    "Subfolder",
-				"autoTMM":          "false",
-				"ratioLimit":       "2.00",
-				"savepath":         "/home/test/torrents",
-				"seedingTimeLimit": "100",
-				"category":         "test",
-				"tags":             "limited,slow",
-				"upLimit":          "102400000",
-				"dlLimit":          "102400000",
+				"paused":             "false",
+				"skip_checking":      "true",
+				"root_folder":        "true",
+				"contentLayout":      "Subfolder",
+				"autoTMM":            "false",
+				"firstLastPiecePrio": "false",
+				"ratioLimit":         "2.00",
+				"savepath":           "/home/test/torrents",
+				"seedingTimeLimit":   "100",
+				"category":           "test",
+				"tags":               "limited,slow",
+				"upLimit":            "102400000",
+				"dlLimit":            "102400000",
 			},
 		},
 		{
@@ -100,18 +103,19 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 				LimitSeedTime:      100,
 			},
 			want: map[string]string{
-				"paused":           "false",
-				"skip_checking":    "true",
-				"root_folder":      "false",
-				"contentLayout":    "NoSubfolder",
-				"autoTMM":          "false",
-				"ratioLimit":       "2.00",
-				"savepath":         "/home/test/torrents",
-				"seedingTimeLimit": "100",
-				"category":         "test",
-				"tags":             "limited,slow",
-				"upLimit":          "102400000",
-				"dlLimit":          "102400000",
+				"paused":             "false",
+				"skip_checking":      "true",
+				"root_folder":        "false",
+				"contentLayout":      "NoSubfolder",
+				"autoTMM":            "false",
+				"firstLastPiecePrio": "false",
+				"ratioLimit":         "2.00",
+				"savepath":           "/home/test/torrents",
+				"seedingTimeLimit":   "100",
+				"category":           "test",
+				"tags":               "limited,slow",
+				"upLimit":            "102400000",
+				"dlLimit":            "102400000",
 			},
 		},
 		{
@@ -130,16 +134,17 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 				LimitSeedTime:      100,
 			},
 			want: map[string]string{
-				"paused":           "false",
-				"skip_checking":    "true",
-				"autoTMM":          "false",
-				"ratioLimit":       "2.00",
-				"savepath":         "/home/test/torrents",
-				"seedingTimeLimit": "100",
-				"category":         "test",
-				"tags":             "limited,slow",
-				"upLimit":          "102400000",
-				"dlLimit":          "102400000",
+				"paused":             "false",
+				"skip_checking":      "true",
+				"autoTMM":            "false",
+				"firstLastPiecePrio": "false",
+				"ratioLimit":         "2.00",
+				"savepath":           "/home/test/torrents",
+				"seedingTimeLimit":   "100",
+				"category":           "test",
+				"tags":               "limited,slow",
+				"upLimit":            "102400000",
+				"dlLimit":            "102400000",
 			},
 		},
 		{
@@ -159,17 +164,50 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 				Rename:             "test-torrent-rename",
 			},
 			want: map[string]string{
-				"paused":           "false",
-				"skip_checking":    "true",
-				"autoTMM":          "false",
-				"ratioLimit":       "2.00",
-				"savepath":         "/home/test/torrents",
-				"seedingTimeLimit": "100",
-				"category":         "test",
-				"tags":             "limited,slow",
-				"upLimit":          "102400000",
-				"dlLimit":          "102400000",
-				"rename":           "test-torrent-rename",
+				"paused":             "false",
+				"skip_checking":      "true",
+				"autoTMM":            "false",
+				"firstLastPiecePrio": "false",
+				"ratioLimit":         "2.00",
+				"savepath":           "/home/test/torrents",
+				"seedingTimeLimit":   "100",
+				"category":           "test",
+				"tags":               "limited,slow",
+				"upLimit":            "102400000",
+				"dlLimit":            "102400000",
+				"rename":             "test-torrent-rename",
+			},
+		},
+		{
+			name: "test_06",
+			fields: fields{
+				Paused:             false,
+				SkipHashCheck:      true,
+				ContentLayout:      ContentLayoutOriginal,
+				SavePath:           "/home/test/torrents",
+				AutoTMM:            false,
+				FirstLastPiecePrio: true,
+				Category:           "test",
+				Tags:               "limited,slow",
+				LimitUploadSpeed:   100000,
+				LimitDownloadSpeed: 100000,
+				LimitRatio:         2.0,
+				LimitSeedTime:      100,
+				Rename:             "test-torrent-rename",
+			},
+			want: map[string]string{
+				"paused":             "false",
+				"skip_checking":      "true",
+				"autoTMM":            "false",
+				"firstLastPiecePrio": "true",
+				"ratioLimit":         "2.00",
+				"savepath":           "/home/test/torrents",
+				"seedingTimeLimit":   "100",
+				"category":           "test",
+				"tags":               "limited,slow",
+				"upLimit":            "102400000",
+				"dlLimit":            "102400000",
+				"rename":             "test-torrent-rename",
 			},
 		},
 	}
@@ -188,6 +226,7 @@ func TestTorrentAddOptions_Prepare(t *testing.T) {
 				LimitRatio:         tt.fields.LimitRatio,
 				LimitSeedTime:      tt.fields.LimitSeedTime,
 				Rename:             tt.fields.Rename,
+				FirstLastPiecePrio: tt.fields.FirstLastPiecePrio,
 			}
 
 			got := o.Prepare()
diff --git a/methods.go b/methods.go
index 832ae94..028cff9 100644
--- a/methods.go
+++ b/methods.go
@@ -1102,6 +1102,33 @@ func (c *Client) IncreasePriorityCtx(ctx context.Context, hashes []string) error
 	return nil
 }
 
+// ToggleFirstLastPiecePrio toggles the priority of the first and last pieces of torrents specified by hashes
+func (c *Client) ToggleFirstLastPiecePrio(hashes []string) error {
+	return c.ToggleFirstLastPiecePrioCtx(context.Background(), hashes)
+}
+
+// ToggleFirstLastPiecePrioCtx toggles the priority of the first and last pieces of torrents specified by hashes
+func (c *Client) ToggleFirstLastPiecePrioCtx(ctx context.Context, hashes []string) error {
+	hv := strings.Join(hashes, "|")
+
+	opts := map[string]string{
+		"hashes": hv,
+	}
+
+	resp, err := c.postCtx(ctx, "torrents/toggleFirstLastPiecePrio", opts)
+	if err != nil {
+		return errors.Wrap(err, "could not toggle first/last piece priority for torrents: %v", hashes)
+	}
+
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return errors.New("unexpected status while toggling first/last piece priority for torrents: %v, status: %d", hashes, resp.StatusCode)
+	}
+
+	return nil
+}
+
 func (c *Client) GetAppVersion() (string, error) {
 	return c.GetAppVersionCtx(context.Background())
 }