diff --git a/config/config.go b/config/config.go
index 61b0c6a..21ba7c0 100644
--- a/config/config.go
+++ b/config/config.go
@@ -10,14 +10,21 @@ import (
 )
 
 type Config struct {
-	API APIConfig
-	Web WebConfig
+	API    APIConfig
+	Bottin BottinConfig
+	Web    WebConfig
 }
 
 type APIConfig struct {
 	Port int
 }
 
+type BottinConfig struct {
+	API struct {
+		Host string
+	}
+}
+
 type WebConfig struct {
 	Port int
 }
@@ -56,6 +63,12 @@ func RegisterFlags(cmd *cobra.Command) error {
 		return err
 	}
 
+	// bottin.api.host
+	if err := RegisterString(cmd, true,
+		"bottin.api.host", "bottin-api-host", "Bottin API server host", "localhost"); err != nil {
+		return err
+	}
+
 	// web.port ; --web-port
 	cmd.PersistentFlags().Int("web-port", 3183, "Webserver port")
 	if err := viper.BindPFlag("web.port", cmd.PersistentFlags().Lookup("web-port")); err != nil {