diff --git a/main.go b/main.go
index 043d668..f24810a 100644
--- a/main.go
+++ b/main.go
@@ -61,7 +61,10 @@ MARIADB_DATABASE_NAME=db_database_name`)
 }
 
 func main() {
-	app := fiber.New()
+	app := fiber.New(fiber.Config{
+		// deactivate zero allocation
+		Immutable: true,
+	})
 
 	app.Use(cors.New())
 
@@ -79,51 +82,3 @@ func main() {
 
 	app.Listen(config.Cfg.Host + ":" + config.Cfg.Port)
 }
-
-/*
-func main() {
-	// Setze deinen Telegram Bot Token hier ein
-	bot, err := tgbotapi.NewBotAPI("6450280279:AAGxXdPv_YwRtl_pXIqYojqOecBrEjn3fJo")
-	if err != nil {
-		log.Panic(err)
-	}
-
-	bot.Debug = true
-
-	log.Printf("Angemeldet als %s", bot.Self.UserName)
-
-	// Erstelle eine Nachricht, die du senden möchtest
-	msg := tgbotapi.NewMessage(935432572, "Das freut mich mein Hase. Ich liebe dich.")
-
-	// Sende die Nachricht
-	_, err = bot.Send(msg)
-	if err != nil {
-		log.Panic(err)
-	}
-
-	// Erstelle eine Update-Konfiguration, um auf eingehende Nachrichten zu reagieren
-	updateConfig := tgbotapi.NewUpdate(0)
-	updateConfig.Timeout = 60
-
-	updates, err := bot.GetUpdatesChan(updateConfig)
-
-	for update := range updates {
-		if update.Message == nil {
-			continue
-		}
-
-		chatID := update.Message.Chat.ID
-		text := update.Message.Text
-
-		log.Printf("[%s] %s", update.Message.From.UserName, text)
-
-		// Hier kannst du auf die empfangene Nachricht reagieren
-		// Zum Beispiel, eine Antwort senden
-		reply := tgbotapi.NewMessage(chatID, "Du hast folgende Nachricht gesendet: "+text)
-		_, err := bot.Send(reply)
-		if err != nil {
-			log.Panic(err)
-		}
-	}
-}
-*/
diff --git a/modules/cache/tempverifycodes.go b/modules/cache/tempverifycodes.go
index 02ab5b7..c98fb93 100644
--- a/modules/cache/tempverifycodes.go
+++ b/modules/cache/tempverifycodes.go
@@ -15,17 +15,17 @@ func AddTempVerifyCode(tempVerifyCode structs.TempVerifyCode) {
 	tempVerifyCodes[tempVerifyCode.UserId] = tempVerifyCode
 }
 
-func GetTempVerifyByCode(code string) (userId string, found bool) {
+func GetTempVerifyByCode(code string) (tempVerify structs.TempVerifyCode, found bool) {
 	tMu.RLock()
 	defer tMu.RUnlock()
 
 	for _, v := range tempVerifyCodes {
 		if v.Code == code {
-			return v.UserId, true
+			return v, true
 		}
 	}
 
-	return "", false
+	return structs.TempVerifyCode{}, false
 }
 
 func GetTempVerifyCode(userId string) (string, bool) {
diff --git a/modules/structs/verifycode.go b/modules/structs/verifycode.go
index accce00..da59f47 100644
--- a/modules/structs/verifycode.go
+++ b/modules/structs/verifycode.go
@@ -5,6 +5,7 @@ import "time"
 type VerifiedUser struct {
 	UserId    string
 	ChatId    int
+	Filter    string
 	CreatedAt time.Time
 }
 
diff --git a/modules/telegram/telegram.go b/modules/telegram/telegram.go
index 208161d..4a5f397 100644
--- a/modules/telegram/telegram.go
+++ b/modules/telegram/telegram.go
@@ -7,6 +7,7 @@ import (
 	"jannex/telegram-bot-manager/modules/structs"
 	"jannex/telegram-bot-manager/modules/utils"
 	"regexp"
+	"strings"
 	"time"
 
 	"git.ex.umbach.dev/Alex/roese-utils/rslogger"
@@ -56,14 +57,30 @@ func IncomingMessagesHandler() {
 			continue
 		}
 
+		regStart := regexp.MustCompile(`/start`)
+		regHelp := regexp.MustCompile(`/help`)
+
 		regVerify := regexp.MustCompile(`/verify (\w+)`)
 		regVerifyMatches := regVerify.FindStringSubmatch(text)
 
 		regUnsubscribe := regexp.MustCompile(`/unsubscribe`)
 
+		regFilter := regexp.MustCompile(`/filter`)
+		regFilterWithArgs := regexp.MustCompile(`/filter (.+)`)
+		regFilterMatches := regFilterWithArgs.FindStringSubmatch(text)
+
 		var replyMessage string
 
-		if len(regVerifyMatches) == 2 {
+		if regStart.MatchString(text) || regHelp.MatchString(text) { // command /start or /help
+			replyMessage = "Welcome!\n\n" +
+				"Type /verify <code> to start receiving notifications. The code can be found in the user profile on the dashboard.\n\n" +
+				"Type /unsubscribe to stop receiving notifications.\n\n" +
+				"Type /filter <filter> to filter notifications. Filter can be: success, info, warning, error. For example: /filter info,warning,error will filter all notifications except success."
+
+			SendNotification(chatID, replyMessage)
+
+			logger.AddSystemLog(rslogger.LogTypeInfo, "Received command %s from user: %s %s", text, update.Message.From.FirstName, update.Message.From.LastName)
+		} else if len(regVerifyMatches) == 2 { // command /verify <code>
 			code := regVerifyMatches[1]
 
 			if len(code) != utils.VerifyCodeLength {
@@ -71,10 +88,10 @@ func IncomingMessagesHandler() {
 				continue
 			}
 
-			var userId string
+			var tempVerify structs.TempVerifyCode
 			var ok bool
 
-			if userId, ok = cache.GetTempVerifyByCode(code); !ok {
+			if tempVerify, ok = cache.GetTempVerifyByCode(code); !ok {
 				// code not found in cache
 
 				logger.AddSystemLog(rslogger.LogTypeWarning, "Received code which was not found in cache from user: %s %s. Message: %s", update.Message.From.FirstName, update.Message.From.LastName, code)
@@ -83,8 +100,6 @@ func IncomingMessagesHandler() {
 			} else {
 				// code found in cache
 
-				cache.RemoveTempVerifyCode(userId)
-
 				var foundVerifiedUser structs.VerifiedUser
 
 				database.DB.Where("chat_id = ?", update.Message.From.ID).First(&foundVerifiedUser)
@@ -101,17 +116,19 @@ func IncomingMessagesHandler() {
 					replyMessage = "You have successfully verified your account. You will now receive notifications. Type /unsubscribe to stop receiving notifications."
 
 					database.DB.Create(&structs.VerifiedUser{
-						UserId:    userId,
+						UserId:    tempVerify.UserId,
 						ChatId:    update.Message.From.ID,
 						CreatedAt: time.Now(),
 					})
 
 					logger.AddSystemLog(rslogger.LogTypeInfo, "User: %s %s has subscribed to receive notifications", update.Message.From.FirstName, update.Message.From.LastName)
 				}
+
+				cache.RemoveTempVerifyCode(tempVerify.UserId)
 			}
 
 			SendNotification(chatID, replyMessage)
-		} else if regUnsubscribe.MatchString(text) {
+		} else if regUnsubscribe.MatchString(text) { // command /unsubscribe
 			res := database.DB.Delete(&structs.VerifiedUser{}, "chat_id = ?", update.Message.From.ID)
 
 			if res.Error != nil {
@@ -128,6 +145,20 @@ func IncomingMessagesHandler() {
 			}
 
 			SendNotification(chatID, replyMessage)
+		} else if len(regFilterMatches) == 2 { // command /filter <filters>
+			setFilter(chatID, update, text, regFilterMatches)
+		} else if regFilter.MatchString(text) { // command /filter
+			var foundVerifiedUser structs.VerifiedUser
+			database.DB.Where("chat_id = ?", update.Message.From.ID).First(&foundVerifiedUser)
+
+			if foundVerifiedUser.UserId == "" {
+				logger.AddSystemLog(rslogger.LogTypeWarning, "User: %s %s has tried to get filter, but has not been verified", update.Message.From.FirstName, update.Message.From.LastName)
+				SendNotification(chatID, "You have not been verified yet. Type /verify <code> to start receiving notifications. The code can be found in the user profile on the dashboard.")
+			} else {
+				formattedFilters := utils.GetFormattedFilters(foundVerifiedUser.Filter)
+				logger.AddSystemLog(rslogger.LogTypeInfo, "User: %s %s has requested filter, current filter: %s", update.Message.From.FirstName, update.Message.From.LastName, formattedFilters)
+				SendNotification(chatID, "Your current filter is: "+formattedFilters)
+			}
 		} else {
 			logger.AddSystemLog(rslogger.LogTypeWarning, "Received unknown message: %s from user: %s %s", text, update.Message.From.FirstName, update.Message.From.LastName)
 		}
@@ -141,3 +172,65 @@ func SendNotification(chatId int64, message string) {
 		logger.AddSystemLog(rslogger.LogTypeError, "Failed to send notification to chatId %v message: %s, err: %v", chatId, message, err.Error())
 	}
 }
+
+func setFilter(chatID int64, update tgbotapi.Update, text string, regFilterMatches []string) {
+	logger.AddSystemLog(rslogger.LogTypeInfo, "Received filter message: %s from user: %s %s", text, update.Message.From.FirstName, update.Message.From.LastName)
+
+	filter := regFilterMatches[1]
+	filterValues := strings.Split(filter, ",")
+
+	for _, v := range filterValues {
+		switch v {
+		case utils.NotificationTypeSuccess,
+			utils.NotificationTypeInfoString,
+			utils.NotificationTypeWarningString,
+			utils.NotificationTypeErrorString:
+			continue
+		default:
+			logger.AddSystemLog(rslogger.LogTypeWarning, "Received unknown filter value: %s from user: %s %s", v, update.Message.From.FirstName, update.Message.From.LastName)
+			SendNotification(chatID, "You have entered an invalid filter value. Filter can be: success, info, warning, error. For example: /filter info,warning,error will filter all notifications except success.")
+			return
+		}
+	}
+
+	var filteredValues []string
+	var filteredTextValues []string
+
+	for _, v := range filterValues {
+		switch v {
+		case utils.NotificationTypeSuccessString:
+			filteredValues = append(filteredValues, utils.NotificationTypeSuccess)
+			filteredTextValues = append(filteredTextValues, utils.NotificationTypeSuccessString)
+		case utils.NotificationTypeInfoString:
+			filteredValues = append(filteredValues, utils.NotificationTypeInfo)
+			filteredTextValues = append(filteredTextValues, utils.NotificationTypeInfoString)
+		case utils.NotificationTypeWarningString:
+			filteredValues = append(filteredValues, utils.NotificationTypeWarning)
+			filteredTextValues = append(filteredTextValues, utils.NotificationTypeWarningString)
+		case utils.NotificationTypeErrorString:
+			filteredValues = append(filteredValues, utils.NotificationTypeError)
+			filteredTextValues = append(filteredTextValues, utils.NotificationTypeErrorString)
+		}
+	}
+
+	var foundVerifiedUser structs.VerifiedUser
+	database.DB.Where("chat_id = ?", update.Message.From.ID).First(&foundVerifiedUser)
+
+	if foundVerifiedUser.UserId == "" {
+		logger.AddSystemLog(rslogger.LogTypeWarning, "User: %s %s has tried to set filter, but has not been verified", update.Message.From.FirstName, update.Message.From.LastName)
+		SendNotification(chatID, "You have not been verified yet. Type /verify <code> to start receiving notifications. The code can be found in the user profile on the dashboard.")
+		return
+	}
+
+	filter = strings.Join(filteredValues, ",")
+
+	database.DB.Model(&structs.VerifiedUser{}).
+		Where("chat_id = ?", update.Message.From.ID).
+		Updates(structs.VerifiedUser{Filter: filter})
+
+	formattedFilteredTextValues := strings.Join(filteredTextValues, ", ")
+
+	logger.AddSystemLog(rslogger.LogTypeInfo, "User: %s %s has set filter to %s (%s)", update.Message.From.FirstName, update.Message.From.LastName, filter, formattedFilteredTextValues)
+
+	SendNotification(chatID, "You have successfully set filter to "+formattedFilteredTextValues+". You will now only receive notifications with the selected filter.")
+}
diff --git a/modules/utils/globals.go b/modules/utils/globals.go
index 067a097..4be2db9 100644
--- a/modules/utils/globals.go
+++ b/modules/utils/globals.go
@@ -1,6 +1,8 @@
 package utils
 
-import "time"
+import (
+	"time"
+)
 
 const (
 	VerifyCodeLength             = 6
@@ -10,4 +12,14 @@ const (
 	NotificationSymbolInfo    = "🔵"
 	NotificationSymbolWarnung = "🟠"
 	NotificationSymbolError   = "🔴"
+
+	NotificationTypeSuccess = "1"
+	NotificationTypeInfo    = "2"
+	NotificationTypeWarning = "3"
+	NotificationTypeError   = "4"
+
+	NotificationTypeSuccessString = "success"
+	NotificationTypeInfoString    = "info"
+	NotificationTypeWarningString = "warning"
+	NotificationTypeErrorString   = "error"
 )
diff --git a/modules/utils/utils.go b/modules/utils/utils.go
index 4f67272..515a613 100644
--- a/modules/utils/utils.go
+++ b/modules/utils/utils.go
@@ -1,6 +1,11 @@
 package utils
 
-import "jannex/telegram-bot-manager/modules/structs"
+import (
+	"jannex/telegram-bot-manager/modules/logger"
+	"strings"
+
+	"git.ex.umbach.dev/Alex/roese-utils/rslogger"
+)
 
 func GetNotificationIconByType(notificationType uint8) string {
 	switch notificationType {
@@ -13,16 +18,52 @@ func GetNotificationIconByType(notificationType uint8) string {
 	case 4:
 		return NotificationSymbolError
 	default:
-		return "X"
+		logger.AddSystemLog(rslogger.LogTypeError, "Unknown notification type: %v", notificationType)
+		return ""
 	}
 }
 
-func GetUserIds(list []structs.VerifiedUser) []string {
-	var userIds []string
+func GetFormattedFilters(filter string) string {
+	filterValues := strings.Split(filter, ",")
+	var formattedFilters []string
 
-	for _, v := range list {
-		userIds = append(userIds, v.UserId)
+	for _, v := range filterValues {
+		switch v {
+		case NotificationTypeSuccess:
+			formattedFilters = append(formattedFilters, NotificationTypeSuccessString)
+		case NotificationTypeInfo:
+			formattedFilters = append(formattedFilters, NotificationTypeInfoString)
+		case NotificationTypeWarning:
+			formattedFilters = append(formattedFilters, NotificationTypeWarningString)
+		case NotificationTypeError:
+			formattedFilters = append(formattedFilters, NotificationTypeErrorString)
+		}
 	}
 
-	return userIds
+	return strings.Join(formattedFilters, ", ")
+}
+
+func IsNotificationTypeInFilter(filter []string, notificationType uint8) bool {
+	for _, v := range filter {
+		switch v {
+		case NotificationTypeSuccess:
+			if notificationType == 1 {
+				return true
+			}
+		case NotificationTypeInfo:
+			if notificationType == 2 {
+				return true
+			}
+		case NotificationTypeWarning:
+			if notificationType == 3 {
+				return true
+			}
+		case NotificationTypeError:
+			if notificationType == 4 {
+				return true
+			}
+		}
+	}
+
+	return false
 }
diff --git a/public/qrcode.png b/public/qrcode.png
index ff5c466..f811066 100644
Binary files a/public/qrcode.png and b/public/qrcode.png differ
diff --git a/routers/api/v1/notification/notification.go b/routers/api/v1/notification/notification.go
index d39c70e..7d0383e 100644
--- a/routers/api/v1/notification/notification.go
+++ b/routers/api/v1/notification/notification.go
@@ -6,6 +6,7 @@ import (
 	"jannex/telegram-bot-manager/modules/structs"
 	"jannex/telegram-bot-manager/modules/telegram"
 	"jannex/telegram-bot-manager/modules/utils"
+	"strings"
 
 	"git.ex.umbach.dev/Alex/roese-utils/rslogger"
 	"git.ex.umbach.dev/Alex/roese-utils/rsutils"
@@ -46,12 +47,26 @@ func SendNotification(c *fiber.Ctx) error {
 
 	formattedMessage := utils.GetNotificationIconByType(body.Type) + " " + body.Title
 
+	var notifiedUsers []string
+
 	// send message to all verified users
 	for _, user := range foundVerifiedUsers {
+		if user.Filter == "" {
+			continue
+		}
+
+		filter := strings.Split(user.Filter, ",")
+
+		if !utils.IsNotificationTypeInFilter(filter, body.Type) {
+			continue
+		}
+
 		telegram.SendNotification(int64(user.ChatId), formattedMessage)
+
+		notifiedUsers = append(notifiedUsers, user.UserId)
 	}
 
-	logger.AddSystemLog(rslogger.LogTypeInfo, "Sent notification: %s to %d users: %v", formattedMessage, len(foundVerifiedUsers), utils.GetUserIds(foundVerifiedUsers))
+	logger.AddSystemLog(rslogger.LogTypeInfo, "Sent notification: %s to %d users: %v", formattedMessage, len(notifiedUsers), notifiedUsers)
 
 	return c.SendStatus(fiber.StatusOK)
 }
diff --git a/routers/api/v1/status/status.go b/routers/api/v1/status/status.go
index 25043eb..fee726f 100644
--- a/routers/api/v1/status/status.go
+++ b/routers/api/v1/status/status.go
@@ -6,7 +6,6 @@ import (
 
 	"git.ex.umbach.dev/Alex/roese-utils/rsutils"
 	"github.com/gofiber/fiber/v2"
-	"github.com/rs/zerolog/log"
 )
 
 func UserVerified(c *fiber.Ctx) error {
@@ -42,7 +41,5 @@ func UserVerified(c *fiber.Ctx) error {
 	// get verified user by userId
 	database.DB.Where("user_id = ?", params.UserId).First(&foundVerifiedUser)
 
-	log.Info().Msgf("Found verified user: %v", foundVerifiedUser)
-
 	return c.JSON(structs.StatusResponse{Status: foundVerifiedUser.UserId != ""})
 }