diff --git a/models/API_Usage_Whatsapp.js b/models/API_Usage_Whatsapp.js
index 42889c7..db5fd8c 100644
--- a/models/API_Usage_Whatsapp.js
+++ b/models/API_Usage_Whatsapp.js
@@ -28,7 +28,7 @@ const apiUsageWhatsapp = new Schema({
         required: true
     },
     billable: {
-        type: Boolean, 
+        type: String, 
         require: true
     },
     pricing_model: {