diff --git a/openapi/openapi_spec.json b/openapi/openapi_spec.json
index 9fddde01b49a..a1cada45b744 100644
--- a/openapi/openapi_spec.json
+++ b/openapi/openapi_spec.json
@@ -5926,6 +5926,14 @@
           },
           "step_up_possible": {
             "type": "boolean"
+          },
+          "unified_code": {
+            "type": "string",
+            "nullable": true
+          },
+          "unified_message": {
+            "type": "string",
+            "nullable": true
           }
         }
       },
@@ -6031,6 +6039,14 @@
           },
           "step_up_possible": {
             "type": "boolean"
+          },
+          "unified_code": {
+            "type": "string",
+            "nullable": true
+          },
+          "unified_message": {
+            "type": "string",
+            "nullable": true
           }
         }
       },
@@ -6105,6 +6121,14 @@
           "step_up_possible": {
             "type": "boolean",
             "nullable": true
+          },
+          "unified_code": {
+            "type": "string",
+            "nullable": true
+          },
+          "unified_message": {
+            "type": "string",
+            "nullable": true
           }
         }
       },
@@ -8134,6 +8158,16 @@
             "description": "reference to the payment at connector side",
             "example": "993672945374576J",
             "nullable": true
+          },
+          "unified_code": {
+            "type": "string",
+            "description": "error code unified across the connectors is received here if there was an error while calling connector",
+            "nullable": true
+          },
+          "unified_message": {
+            "type": "string",
+            "description": "error message unified across the connectors is received here if there was an error while calling connector",
+            "nullable": true
           }
         }
       },
@@ -10012,6 +10046,16 @@
             "example": "Failed while verifying the card",
             "nullable": true
           },
+          "unified_code": {
+            "type": "string",
+            "description": "error code unified across the connectors is received here if there was an error while calling connector",
+            "nullable": true
+          },
+          "unified_message": {
+            "type": "string",
+            "description": "error message unified across the connectors is received here if there was an error while calling connector",
+            "nullable": true
+          },
           "payment_experience": {
             "allOf": [
               {