diff --git a/src/cmd/serve.go b/src/cmd/serve.go
index 6732fd6..fa5963e 100644
--- a/src/cmd/serve.go
+++ b/src/cmd/serve.go
@@ -21,6 +21,7 @@ import (
 	"github.com/t-liu93/home-automation-backend/components/locationRecorder"
 	"github.com/t-liu93/home-automation-backend/components/pooRecorder"
 	"github.com/t-liu93/home-automation-backend/util/notion"
+	"github.com/t-liu93/home-automation-backend/util/ticktick"
 )
 
 var port string
@@ -41,6 +42,8 @@ func initUtil() {
 		slog.Error("Notion token not found in config file, exiting..")
 		os.Exit(1)
 	}
+	// init ticktick
+	ticktick.Init()
 }
 
 func initComponent() {
@@ -55,8 +58,8 @@ func serve(cmd *cobra.Command, args []string) {
 
 	viper.SetConfigName("config") // name of config file (without extension)
 	viper.SetConfigType("yaml")
+	viper.AddConfigPath(".") // . is used for dev
 	viper.AddConfigPath("$HOME/.config/home-automation")
-	viper.AddConfigPath(".") // optionally look for config in the working directory
 	err := viper.ReadInConfig()
 	if err != nil {
 		slog.Error(fmt.Sprintf("Cannot read config file, %s, exiting..", err))
@@ -105,6 +108,8 @@ func serve(cmd *cobra.Command, args []string) {
 
 	router.HandleFunc("/location/record", locationRecorder.HandleRecordLocation).Methods("POST")
 
+	router.HandleFunc("/ticktick/auth/code", ticktick.HandleAuthCode).Methods("GET")
+
 	srv := &http.Server{
 		Addr:    ":" + port,
 		Handler: router,
diff --git a/src/components/homeassistant/homeassistant.go b/src/components/homeassistant/homeassistant.go
index 24fee0b..4043f2d 100644
--- a/src/components/homeassistant/homeassistant.go
+++ b/src/components/homeassistant/homeassistant.go
@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/spf13/viper"
+	"github.com/t-liu93/home-automation-backend/util/ticktick"
 )
 
 type haMessage struct {
@@ -17,6 +18,11 @@ type haMessage struct {
 	Content string `json:"content"`
 }
 
+type actionTask struct {
+	Action  string `json:"action"`
+	DueHour int    `json:"due_hour"`
+}
+
 func HandleHaMessage(w http.ResponseWriter, r *http.Request) {
 	var message haMessage
 	decoder := json.NewDecoder(r.Body)
@@ -33,6 +39,8 @@ func HandleHaMessage(w http.ResponseWriter, r *http.Request) {
 		handlePooRecorderMsg(message)
 	case "location_recorder":
 		handleLocationRecorderMsg(message)
+	case "ticktick":
+		handleTicktickMsg(message)
 	}
 
 }
@@ -66,6 +74,13 @@ func handleLocationRecorderMsg(message haMessage) {
 	}
 }
 
+func handleTicktickMsg(message haMessage) {
+	switch message.Action {
+	case "create_action_task":
+		createActionTask(message)
+	}
+}
+
 func handleGetLatestPoo() {
 	client := &http.Client{
 		Timeout: time.Second * 1,
@@ -76,3 +91,31 @@ func handleGetLatestPoo() {
 		slog.Warn(fmt.Sprintln("handleGetLatestPoo Error sending request to poo recorder", err))
 	}
 }
+
+func createActionTask(message haMessage) {
+	if !viper.InConfig("homeassistant.actionTaskProjectId") {
+		slog.Warn("Homeassistant.createActionTask actionTaskProjectId not found in config file")
+		return
+	}
+	projectId := viper.GetString("homeassistant.actionTaskProjectId")
+	detail := strings.ReplaceAll(message.Content, "'", "\"")
+	var task actionTask
+	err := json.Unmarshal([]byte(detail), &task)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Homeassistant.createActionTask Error unmarshalling", err))
+		return
+	}
+	dueHour := task.DueHour
+	due := time.Now().Add(time.Hour * time.Duration(dueHour))
+	dueNextMidnight := time.Date(due.Year(), due.Month(), due.Day(), 0, 0, 0, 0, time.Local).AddDate(0, 0, 1)
+	dueTicktick := dueNextMidnight.UTC().Format(ticktick.DateTimeLayout)
+	ticktickTask := ticktick.Task{
+		ProjectId: projectId,
+		Title:     task.Action,
+		DueDate:   dueTicktick,
+	}
+	err = ticktick.CreateTask(ticktickTask)
+	if err != nil {
+		slog.Warn(fmt.Sprintf("Homeassistant.createActionTask Error creating task %s", err))
+	}
+}
diff --git a/src/util/ticktick/ticktick.go b/src/util/ticktick/ticktick.go
new file mode 100644
index 0000000..3344e5b
--- /dev/null
+++ b/src/util/ticktick/ticktick.go
@@ -0,0 +1,284 @@
+package ticktick
+
+import (
+	"bytes"
+	"crypto/rand"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"net/url"
+	"os"
+	"time"
+
+	"github.com/spf13/viper"
+)
+
+var (
+	authState string
+)
+
+const (
+	DateTimeLayout = "2006-01-02T15:04:05-0700"
+)
+
+type Project struct {
+	Id         string `json:"id"`
+	Name       string `json:"name"`
+	Color      string `json:"color,omitempty"`
+	SortOrder  int64  `json:"sortOrder,omitempty"`
+	Closed     bool   `json:"closed,omitempty"`
+	GroupId    string `json:"groupId,omitempty"`
+	ViewMode   string `json:"viewMode,omitempty"`
+	Permission string `json:"permission,omitempty"`
+	Kind       string `json:"kind,omitempty"`
+}
+
+type Column struct {
+	Id        string `json:"id"`
+	Name      string `json:"name"`
+	ProjectId string `json:"projectId"`
+	SortOrder int64  `json:"sortOrder,omitempty"`
+}
+
+type Task struct {
+	Id            string        `json:"id"`
+	ProjectId     string        `json:"projectId"`
+	Title         string        `json:"title"`
+	IsAllDay      bool          `json:"isAllDay,omitempty"`
+	CompletedTime string        `json:"completedTime,omitempty"`
+	Content       string        `json:"content,omitempty"`
+	Desc          string        `json:"desc,omitempty"`
+	DueDate       string        `json:"dueDate,omitempty"`
+	Items         []interface{} `json:"items,omitempty"`
+	Priority      int           `json:"priority,omitempty"`
+	Reminders     []string      `json:"reminders,omitempty"`
+	RepeatFlag    string        `json:"repeatFlag,omitempty"`
+	SortOrder     int64         `json:"sortOrder,omitempty"`
+	StartDate     string        `json:"startDate,omitempty"`
+	Status        int32         `json:"status,omitempty"`
+	TimeZone      string        `json:"timeZone,omitempty"`
+}
+
+type ProjectData struct {
+	Project Project  `json:"project"`
+	Tasks   []Task   `json:"tasks"`
+	Columns []Column `json:"columns,omitempty"`
+}
+
+func Init() {
+	if !viper.InConfig("ticktick.clientId") {
+		slog.Error("TickTick clientId not found in config file, exiting..")
+		os.Exit(1)
+	}
+	if !viper.InConfig("ticktick.clientSecret") {
+		slog.Error("TickTick clientSecret not found in config file, exiting..")
+		os.Exit(1)
+	}
+	if viper.InConfig("ticktick.token") {
+		_, err := getProjects()
+		if err != nil {
+			if err.Error() == "error response from TickTick: 401 Unauthorized" {
+			}
+		}
+	} else {
+		beginAuth()
+	}
+}
+
+func HandleAuthCode(w http.ResponseWriter, r *http.Request) {
+	state := r.URL.Query().Get("state")
+	code := r.URL.Query().Get("code")
+	if state != authState {
+		slog.Warn(fmt.Sprintln("HandleAuthCode Invalid state", state))
+		http.Error(w, "Invalid state", http.StatusBadRequest)
+		return
+	}
+	params := map[string]string{
+		"code":         code,
+		"grant_type":   "authorization_code",
+		"scope":        "tasks:read tasks:write",
+		"redirect_uri": viper.GetString("ticktick.redirectUri"),
+	}
+	formedParams := url.Values{}
+	for key, value := range params {
+		formedParams.Add(key, value)
+	}
+
+	req, err := http.NewRequest("POST", "https://ticktick.com/oauth/token", bytes.NewBufferString(formedParams.Encode()))
+	if err != nil {
+		slog.Warn(fmt.Sprintln("HandleAuthCode Error creating request", err))
+		http.Error(w, "Error creating request", http.StatusInternalServerError)
+		return
+	}
+	client := &http.Client{
+		Timeout: time.Second * 10,
+	}
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.SetBasicAuth(viper.GetString("ticktick.clientId"), viper.GetString("ticktick.clientSecret"))
+	resp, err := client.Do(req)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("HandleAuthCode Error sending request", err))
+		http.Error(w, "Error sending request", http.StatusInternalServerError)
+		return
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		slog.Warn(fmt.Sprintln("HandleAuthCode Unexpected response status", resp.StatusCode))
+		http.Error(w, "Unexpected response status", http.StatusInternalServerError)
+		return
+	}
+	decoder := json.NewDecoder(resp.Body)
+	var tokenResponse map[string]interface{}
+	err = decoder.Decode(&tokenResponse)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("HandleAuthCode Error decoding response", err))
+		http.Error(w, "Error decoding response", http.StatusInternalServerError)
+		return
+	}
+	token := tokenResponse["access_token"].(string)
+	viper.Set("ticktick.token", token)
+	err = viper.WriteConfig()
+	if err != nil {
+		slog.Warn(fmt.Sprintln("HandleAuthCode Error writing config", err))
+		http.Error(w, "Error writing config", http.StatusInternalServerError)
+		return
+	}
+	w.Write([]byte("Authorization successful"))
+}
+
+func GetTasks(projectId string) []Task {
+	getTaskUrl := fmt.Sprintf("https://api.ticktick.com/open/v1/project/%s/data", projectId)
+	token := viper.GetString("ticktick.token")
+	req, err := http.NewRequest("GET", getTaskUrl, nil)
+	req.Header.Set("Authorization", "Bearer "+token)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Ticktick.GetTasks Error creating request to TickTick", err))
+		return nil
+	}
+	var projectData ProjectData
+	client := &http.Client{
+		Timeout: time.Second * 10,
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Ticktick.GetTasks Error sending request to TickTick", err))
+		return nil
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNotFound {
+		slog.Warn(fmt.Sprintln("Ticktick.GetTasks Error response from TickTick", resp.Status))
+		return nil
+	}
+	if resp.StatusCode == http.StatusNotFound {
+		return nil
+	}
+	decoder := json.NewDecoder(resp.Body)
+	err = decoder.Decode(&projectData)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Ticktick.GetTasks Error decoding response from TickTick", err))
+		return nil
+	}
+
+	return projectData.Tasks
+}
+
+func HasDuplicateTask(projectId string, taskTitile string) bool {
+	tasks := GetTasks(projectId)
+	for _, task := range tasks {
+		if task.Title == taskTitile {
+			return true
+		}
+	}
+	return false
+}
+
+func CreateTask(task Task) error {
+	if HasDuplicateTask(task.ProjectId, task.Title) {
+		return nil
+	}
+	token := viper.GetString("ticktick.token")
+	createTaskUrl := "https://api.ticktick.com/open/v1/task"
+	payload, err := json.Marshal(task)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Ticktick.CreateTask Error marshalling", err))
+		return err
+	}
+	req, err := http.NewRequest("POST", createTaskUrl, bytes.NewBuffer(payload))
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Ticktick.CreateTask Error creating request to TickTick", err))
+		return err
+	}
+	req.Header.Set("Authorization", "Bearer "+token)
+	req.Header.Set("Content-Type", "application/json")
+	client := &http.Client{
+		Timeout: time.Second * 10,
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Ticktick.CreateTask Error sending request to TickTick", err))
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		slog.Warn(fmt.Sprintln("Ticktick.CreateTask Error response from TickTick", resp.Status))
+		return fmt.Errorf("error response from TickTick: %s", resp.Status)
+	}
+	return nil
+}
+
+func getProjects() ([]Project, error) {
+	token := viper.GetString("ticktick.token")
+	req, err := http.NewRequest("GET", "https://api.ticktick.com/open/v1/project/", nil)
+	req.Header.Set("Authorization", "Bearer "+token)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Error creating request to TickTick", err))
+		return nil, err
+	}
+	client := &http.Client{
+		Timeout: time.Second * 10,
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Error sending request to TickTick", err))
+		return nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		slog.Warn(fmt.Sprintln("Error response from TickTick", resp.Status))
+		return nil, fmt.Errorf("error response from TickTick: %s", resp.Status)
+	}
+	var projects []Project
+	decoder := json.NewDecoder(resp.Body)
+	err = decoder.Decode(&projects)
+	if err != nil {
+		slog.Warn(fmt.Sprintln("Error decoding response from TickTick", err))
+		return nil, err
+	}
+	return projects, nil
+}
+
+func beginAuth() {
+	if !viper.InConfig("ticktick.redirectUri") {
+		slog.Error("TickTick redirectUri not found in config file, exiting..")
+		os.Exit(1)
+	}
+	baseUrl := "https://ticktick.com/oauth/authorize?"
+	authUrl, _ := url.Parse(baseUrl)
+	authStateBytes := make([]byte, 6)
+	_, err := rand.Read(authStateBytes)
+	if err != nil {
+		slog.Error(fmt.Sprintln("Error generating auth state", err))
+		os.Exit(1)
+	}
+	authState = hex.EncodeToString(authStateBytes)
+	params := url.Values{}
+	params.Add("client_id", viper.GetString("ticktick.clientId"))
+	params.Add("response_type", "code")
+	params.Add("redirect_uri", viper.GetString("ticktick.redirectUri"))
+	params.Add("state", authState)
+	params.Add("scope", "tasks:read tasks:write")
+	authUrl.RawQuery = params.Encode()
+	slog.Info(fmt.Sprintln("Please visit the following URL to authorize TickTick:", authUrl.String()))
+}