diff --git a/lib/rest/utils.js b/lib/rest/utils.js
index cf3793b..98bcabf 100644
--- a/lib/rest/utils.js
+++ b/lib/rest/utils.js
@@ -30,6 +30,8 @@ export function camelCaseRequestWrapper(requestFunc) {
       let skipParamsFromSnakeCasing = [
         'message_time__lt', 'message_time__lte',
         'message_time__gt', 'message_time__gte',
+        'end_time__gt', 'end_time__gte',
+        'end_time__lt', 'end_time__lte',
       ]
       if (skipParamsFromSnakeCasing.indexOf(key) >= 0) {
         return key;