diff --git a/openapi-spec/crapi-openapi-spec.json b/openapi-spec/crapi-openapi-spec.json
index ad7ed1bc..e2169924 100644
--- a/openapi-spec/crapi-openapi-spec.json
+++ b/openapi-spec/crapi-openapi-spec.json
@@ -3308,7 +3308,7 @@
           "coupon_code" : {
             "type" : "string"
           },
-          "createdAt" : {
+          "CreatedAt" : {
             "type" : "string"
           }
         },
diff --git a/services/chatbot/src/resources/crapi-openapi-spec.json b/services/chatbot/src/resources/crapi-openapi-spec.json
index 9c12a523..595e8daf 100644
--- a/services/chatbot/src/resources/crapi-openapi-spec.json
+++ b/services/chatbot/src/resources/crapi-openapi-spec.json
@@ -2637,7 +2637,7 @@
                     "coupon_code": {
                       "type": "string"
                     },
-                    "createdAt": {
+                    "CreatedAt": {
                       "type": "string"
                     }
                   },
@@ -5211,7 +5211,7 @@
           "coupon_code": {
             "type": "string"
           },
-          "createdAt": {
+          "CreatedAt": {
             "type": "string"
           }
         },