diff --git a/README.md b/README.md
index 6c5cf3f..5f0a8b3 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ A push notification server using [Gin](https://github.com/gin-gonic/gin) framewo
 * Support [Google Cloud Message](https://developers.google.com/cloud-messaging/) using [go-gcm](https://github.com/google/go-gcm) library for Android.
 * Support [HTTP/2](https://http2.github.io/) Apple Push Notification Service using [apns2](https://github.com/sideshow/apns2) library.
 * Support [YAML](https://github.com/go-yaml/yaml) configuration.
+* Support command line to send single Androdi or iOS notification.
+* Support Web API to send push notification.
 
 See the [YAML config eample](config/config.yaml):
 
@@ -43,6 +45,34 @@ log:
   error_level: "error"
 ```
 
+## Basic Usage
+
+How to send push notification with `gopush` command line? (Android or iOS)
+
+### Android
+
+Send single notification with the following command.
+
+```bash
+$ ./gopush -android -m="your message" -k="API Key" -t="Device token"
+```
+
+* `-m`: Notification message.
+* `-k`: [Google cloud message](https://developers.google.com/cloud-messaging/) api key
+* `-t`: Device token.
+
+### iOS
+
+Send single notification with the following command.
+
+```bash
+$ ./gopush -ios -m="your message" -i="API Key" -t="Device token"
+```
+
+* `-m`: Notification message.
+* `-i`: Apple Push Notification Certificate path (`pem` file).
+* `-t`: Device token.
+
 ## License
 
 Copyright 2016 Bo-Yi Wu [@appleboy](https://twitter.com/appleboy).
diff --git a/gorush.go b/gorush.go
index 5eb77c9..e88d93f 100644
--- a/gorush.go
+++ b/gorush.go
@@ -12,6 +12,11 @@ func main() {
 	certificateKeyPath := flag.String("i", "", "iOS certificate key file path for gopush")
 	apiKey := flag.String("k", "", "Android api key configuration for gopush")
 	port := flag.String("p", "", "port number for gopush")
+	token := flag.String("t", "", "token string")
+	message := flag.String("m", "", "notification message")
+	android := flag.Bool("android", false, "send android notification")
+	ios := flag.Bool("ios", false, "send ios notification")
+	production := flag.Bool("production", false, "production mode in iOS")
 
 	flag.Parse()
 
@@ -55,13 +60,59 @@ func main() {
 		return
 	}
 
-	if err = gopush.CheckPushConf(); err != nil {
-		log.Println(err)
-		gopush.LogError.Fatal(err)
+	// send android notification
+	if *android {
+		if len(*token) == 0 {
+			gopush.LogError.Fatal("Missing token flag (-t)")
+		}
+
+		if len(*message) == 0 {
+			gopush.LogError.Fatal("Missing message flag (-m)")
+		}
+
+		gopush.PushConf.Android.Enabled = true
+		req := gopush.PushNotification{
+			Tokens:   []string{*token},
+			Platform: gopush.PlatFormAndroid,
+			Message:  *message,
+		}
+
+		gopush.PushToAndroid(req)
 
 		return
 	}
 
+	// send android notification
+	if *ios {
+		if len(*token) == 0 {
+			gopush.LogError.Fatal("Missing token flag (-t)")
+		}
+
+		if len(*message) == 0 {
+			gopush.LogError.Fatal("Missing message flag (-m)")
+		}
+
+		if *production {
+			gopush.PushConf.Ios.Production = true
+		}
+
+		gopush.PushConf.Ios.Enabled = true
+		req := gopush.PushNotification{
+			Tokens:   []string{*token},
+			Platform: gopush.PlatFormIos,
+			Message:  *message,
+		}
+
+		gopush.InitAPNSClient()
+		gopush.PushToIOS(req)
+
+		return
+	}
+
+	if err = gopush.CheckPushConf(); err != nil {
+		gopush.LogError.Fatal(err)
+	}
+
 	gopush.InitAPNSClient()
 	gopush.RunHTTPServer()
 }
diff --git a/gorush/server.go b/gorush/server.go
index d370b76..80733c0 100644
--- a/gorush/server.go
+++ b/gorush/server.go
@@ -1,10 +1,10 @@
 package gopush
 
 import (
+	"fmt"
 	api "github.com/appleboy/gin-status-api"
 	"github.com/gin-gonic/gin"
 	"net/http"
-	"fmt"
 )
 
 func AbortWithError(c *gin.Context, code int, message string) {
@@ -26,7 +26,7 @@ func pushHandler(c *gin.Context) {
 	var msg string
 
 	if err := c.BindJSON(&form); err != nil {
-		msg = "Missing nitifications field."
+		msg = "Missing notifications field."
 		LogAccess.Debug(msg)
 		AbortWithError(c, http.StatusBadRequest, msg)
 		return