diff --git a/api/chatgpt/api.go b/api/chatgpt/api.go
index 72b28107..c38ec55c 100644
--- a/api/chatgpt/api.go
+++ b/api/chatgpt/api.go
@@ -20,6 +20,42 @@ import (
 	http2 "net/http"
 )
 
+func UpdateUserSetting(c *gin.Context) {
+	feature, ok := c.GetQuery("feature")
+	if !ok {
+		return
+	}
+	value, ok := c.GetQuery("value")
+	if !ok {
+		return
+	}
+	handlePatch(c, ApiPrefix+"/settings/account_user_setting?feature="+feature+"&value="+value, "{}", updateMySettingErrorMessage)
+}
+
+func GetUserSetting(c *gin.Context) {
+	handleGet(c, ApiPrefix+"/settings/user", getMySettingErrorMessage)
+}
+
+func GetSynthesize(c *gin.Context) {
+	conversationId, ok := c.GetQuery("conversation_id")
+	if !ok {
+		return
+	}
+	messageId, ok := c.GetQuery("message_id")
+	if !ok {
+		return
+	}
+	voice, ok := c.GetQuery("voice")
+	if !ok {
+		voice = "cove"
+	}
+	format, ok := c.GetQuery("format")
+	if !ok {
+		format = "aac"
+	}
+	handleGet(c, ApiPrefix+"/synthesize?conversation_id="+conversationId+"&message_id="+messageId+"&voice="+voice+"&format="+format, getSynthesizeErrorMessage)
+}
+
 func GetConversations(c *gin.Context) {
 	offset, ok := c.GetQuery("offset")
 	if !ok {
@@ -392,13 +428,7 @@ func ClearConversations(c *gin.Context) {
 }
 
 func GetModels(c *gin.Context) {
-
-	historyAndTrainingDisabled, ok := c.GetQuery("history_and_training_disabled")
-	if !ok {
-		historyAndTrainingDisabled = "false"
-	}
-
-	handleGet(c, ApiPrefix+"/models?history_and_training_disabled="+historyAndTrainingDisabled, getModelsErrorMessage)
+	handleGet(c, ApiPrefix+"/models", getModelsErrorMessage)
 }
 
 func GetAccountCheck(c *gin.Context) {
diff --git a/api/chatgpt/constant.go b/api/chatgpt/constant.go
index 7f7bfbea..27e1bd6e 100644
--- a/api/chatgpt/constant.go
+++ b/api/chatgpt/constant.go
@@ -6,6 +6,9 @@ const (
 	conversationLimit              = PublicApiPrefix + "/conversation_limit"
 	ApiPrefix                      = "https://chat.openai.com/backend-api"
 	AnonPrefix                     = "https://chat.openai.com/backend-anon"
+	updateMySettingErrorMessage    = "Failed to update setting"
+	getMySettingErrorMessage       = "Failed to get setting"
+	getSynthesizeErrorMessage      = "Failed to get synthesize."
 	getConversationsErrorMessage   = "Failed to get conversations."
 	generateTitleErrorMessage      = "Failed to generate title."
 	getContentErrorMessage         = "Failed to get content."
@@ -23,6 +26,7 @@ const (
 	gpt3dot5Model = "text-davinci-002-render-sha"
 
 	actionContinue                     = "continue"
+	actionVariant                      = "variant"
 	responseTypeMaxTokens              = "max_tokens"
 	responseStatusFinishedSuccessfully = "finished_successfully"
 	noModelPermissionErrorMessage      = "you have no permission to use this model"
diff --git a/main.go b/main.go
index ca14589e..7041b593 100644
--- a/main.go
+++ b/main.go
@@ -97,6 +97,17 @@ func setupChatGPTAPIs(router *gin.Engine) {
 			conversationGroup.POST("/message_feedback", chatgpt.FeedbackMessage)
 		}
 
+		synthesizeGroup := chatgptGroup.Group("/synthesize")
+		{
+			synthesizeGroup.GET("/", chatgpt.GetSynthesize)
+		}
+
+		settingGroup := chatgptGroup.Group("/settings")
+		{
+			settingGroup.GET("/user", chatgpt.GetUserSetting)
+			settingGroup.PATCH("/account_user_setting", chatgpt.UpdateUserSetting)
+		}
+
 		// misc
 		chatgptGroup.GET("/models", chatgpt.GetModels)
 		chatgptGroup.GET("/accounts/check", chatgpt.GetAccountCheck)