diff --git a/lib/resources/numbers.js b/lib/resources/numbers.js
index 49b22e8a..aac03ce5 100644
--- a/lib/resources/numbers.js
+++ b/lib/resources/numbers.js
@@ -326,6 +326,18 @@ export class NumberInterface extends PlivoResourceInterface {
             validators: ['isRequired']
         }]);
 
+        for(const key in params) {
+            let errors = validate([{
+                field: key,
+                value: params[key],
+                validators: ['isRequired']
+            }]);
+
+            if (errors) {
+                return errors;
+            }
+        }
+
         if (errors) {
             return errors;
         }