diff --git a/common/sensitive/api.go b/common/sensitive/api.go
index cd24527..df4090a 100644
--- a/common/sensitive/api.go
+++ b/common/sensitive/api.go
@@ -31,9 +31,9 @@ type ParamsForCheck struct {
 }
 
 type ResponseForCheck struct {
-	Pass   bool
-	Labels []int
-	Detail string
+	Pass   bool   `json:"content"`
+	Labels []int  `json:"labels,omitempty"`
+	Detail string `json:"detail,omitempty"`
 }
 
 func CheckSensitive(params ParamsForCheck) (resp *ResponseForCheck, err error) {
diff --git a/sensitivity/api/route.go b/sensitivity/api/route.go
new file mode 100644
index 0000000..ceafe94
--- /dev/null
+++ b/sensitivity/api/route.go
@@ -0,0 +1,28 @@
+package api
+
+import (
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/swagger"
+)
+
+func RegisterRouts(app *fiber.App) {
+	app.Get("/", func(c *fiber.Ctx) error {
+		return c.Redirect("/api")
+	})
+	app.Get("/docs", func(c *fiber.Ctx) error {
+		return c.Redirect("/docs/index.html")
+	})
+	app.Get("/docs/*", swagger.HandlerDefault)
+
+	api := app.Group("/api")
+	registerRoutes(api)
+}
+
+func registerRoutes(r fiber.Router) {
+	r.Get("", func(c *fiber.Ctx) error {
+		return c.JSON(fiber.Map{"message": "Welcome to sensitivity checker API"})
+	})
+
+	r.Post("/sensitive/text", CheckSensitiveText)
+
+}
diff --git a/sensitivity/api/sensitive.go b/sensitivity/api/sensitive.go
new file mode 100644
index 0000000..4265846
--- /dev/null
+++ b/sensitivity/api/sensitive.go
@@ -0,0 +1,28 @@
+package api
+
+import (
+	"github.com/gofiber/fiber/v2"
+	. "github.com/opentreehole/backend/common"
+	"github.com/opentreehole/backend/common/sensitive"
+	. "github.com/opentreehole/backend/sensitivity/schema"
+	"time"
+)
+
+func CheckSensitiveText(c *fiber.Ctx) (err error) {
+	var request SensitiveCheckRequest
+	err = ValidateBody(c, &request)
+	if err != nil {
+		return err
+	}
+
+	sensitiveResp, err := sensitive.CheckSensitive(sensitive.ParamsForCheck{
+		Content:  request.Content,
+		Id:       time.Now().UnixNano(),
+		TypeName: sensitive.TypeTitle,
+	})
+
+	if err != nil {
+		return nil
+	}
+	return c.JSON(SensitiveCheckResponse{ResponseForCheck: *sensitiveResp})
+}
diff --git a/sensitivity/main.go b/sensitivity/main.go
new file mode 100644
index 0000000..4c54e51
--- /dev/null
+++ b/sensitivity/main.go
@@ -0,0 +1,50 @@
+package notification
+
+import (
+	"context"
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/recover"
+	"github.com/opentreehole/backend/common"
+	"github.com/opentreehole/backend/sensitivity/api"
+	"github.com/spf13/viper"
+	"log/slog"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func main() {
+	var disableStartupMessage = false
+	if viper.GetString(common.EnvMode) == "prod" {
+		disableStartupMessage = true
+	}
+	app := fiber.New(fiber.Config{
+		ErrorHandler:          common.ErrorHandler,
+		DisableStartupMessage: disableStartupMessage,
+	})
+	registerMiddlewares(app)
+	api.RegisterRouts(app)
+	go func() {
+		err := app.Listen("0.0.0.0:8000")
+		if err != nil {
+			slog.LogAttrs(context.Background(), slog.LevelError, "app listen failed", slog.String("err", err.Error()))
+		}
+	}()
+
+	interrupt := make(chan os.Signal, 1)
+
+	// wait for CTRL-C interrupt
+	signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
+	<-interrupt
+
+	// close app
+	err := app.Shutdown()
+	if err != nil {
+		slog.LogAttrs(context.Background(), slog.LevelError, "shutdown failed", slog.String("err", err.Error()))
+	}
+}
+
+func registerMiddlewares(app *fiber.App) {
+	app.Use(recover.New(recover.Config{EnableStackTrace: true}))
+	app.Use(common.MiddlewareGetUserID)
+}
diff --git a/sensitivity/schema/schema.go b/sensitivity/schema/schema.go
new file mode 100644
index 0000000..0f6e54b
--- /dev/null
+++ b/sensitivity/schema/schema.go
@@ -0,0 +1,11 @@
+package schema
+
+import "github.com/opentreehole/backend/common/sensitive"
+
+type SensitiveCheckRequest struct {
+	Content string `json:"content" validate:"required"`
+}
+
+type SensitiveCheckResponse struct {
+	sensitive.ResponseForCheck
+}