diff --git a/dashboard/intents.go b/dashboard/intents.go
index acd8ca2..8dc45b3 100644
--- a/dashboard/intents.go
+++ b/dashboard/intents.go
@@ -81,11 +81,19 @@ func GetIntents(w http.ResponseWriter, r *http.Request) {
 
 // CreateIntent is the route to create a new intent
 func CreateIntent(w http.ResponseWriter, r *http.Request) {
+	allowedHeaders := "Accept, Content-Type, Content-Length, Accept-Encoding, Authorization,Olivia-Token"
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+	w.Header().Set("Access-Control-Allow-Headers", allowedHeaders)
+	w.Header().Set("Access-Control-Expose-Headers", "Authorization")
+
+	data := mux.Vars(r)
+
 	// Checks if the token present in the headers is the right one
 	token := r.Header.Get("Olivia-Token")
 	if !ChecksToken(token) {
 		json.NewEncoder(w).Encode(Error{
-			Message: "You don't have the permission to do this.",
+			Message: util.GetMessage(data["locale"], "no permission"),
 		})
 		return
 	}
@@ -96,12 +104,20 @@ func CreateIntent(w http.ResponseWriter, r *http.Request) {
 
 	if intent.Responses == nil || intent.Patterns == nil {
 		json.NewEncoder(w).Encode(Error{
-			Message: "Patterns and responses can't be null",
+			Message: util.GetMessage(data["locale"], "patterns same"),
 		})
 		return
 	}
 
-	data := mux.Vars(r)
+	// Returns an error if the tags are the same
+	for _, _intent := range analysis.GetIntents(data["locale"]) {
+		if _intent.Tag == intent.Tag {
+			json.NewEncoder(w).Encode(Error{
+				Message: util.GetMessage(data["locale"], "tags same"),
+			})
+			return
+		}
+	}
 
 	// Adds the intent
 	AddIntent(data["locale"], intent)
diff --git a/res/locales/ca/messages.json b/res/locales/ca/messages.json
index 4ba232f..d727fc6 100644
--- a/res/locales/ca/messages.json
+++ b/res/locales/ca/messages.json
@@ -14,6 +14,18 @@
       "No teniu permís per fer-ho."
     ]
   },
+  {
+    "tag": "patterns same",
+    "messages": [
+      "Els patrons i/o les respostes no poden estar buits."
+    ]
+  },
+  {
+    "tag": "tags same",
+    "messages": [
+      "Ja existeix un intent amb aquesta etiqueta."
+    ]
+  },
   {
     "tag": "spotify tokens",
     "messages": [
diff --git a/res/locales/en/messages.json b/res/locales/en/messages.json
index 7676781..4f5e3d3 100644
--- a/res/locales/en/messages.json
+++ b/res/locales/en/messages.json
@@ -14,6 +14,18 @@
       "You don't have the permission to do this."
     ]
   },
+  {
+    "tag": "patterns same",
+    "messages": [
+      "The patterns and/or responses can't be empty."
+    ]
+  },
+  {
+    "tag": "tags same",
+    "messages": [
+      "An intent already exists with this tag."
+    ]
+  },
   {
     "tag": "spotify tokens",
     "messages": [
diff --git a/res/locales/es/messages.json b/res/locales/es/messages.json
index 3e0e15c..d5c4dd5 100644
--- a/res/locales/es/messages.json
+++ b/res/locales/es/messages.json
@@ -14,6 +14,18 @@
       "No tienes permiso para hacer esto.."
     ]
   },
+  {
+    "tag": "patterns same",
+    "messages": [
+      "Los patrones y/o respuestas no pueden estar vacíos."
+    ]
+  },
+  {
+    "tag": "tags same",
+    "messages": [
+      "Ya existe un intent con esta etiqueta."
+    ]
+  },
   {
     "tag": "spotify tokens",
     "messages": [
diff --git a/res/locales/fr/messages.json b/res/locales/fr/messages.json
index 9d55ad1..fd94b7f 100644
--- a/res/locales/fr/messages.json
+++ b/res/locales/fr/messages.json
@@ -14,6 +14,18 @@
       "Vous n'avez pas la permission pour faire ceci."
     ]
   },
+  {
+    "tag": "patterns same",
+    "messages": [
+      "Les modèles et/ou les réponses ne peuvent pas être vides."
+    ]
+  },
+  {
+    "tag": "tags same",
+    "messages": [
+      "Un intent existe déjà avec cette étiquette"
+    ]
+  },
   {
     "tag": "spotify tokens",
     "messages": [