diff --git a/openapi.yaml b/openapi.yaml
index 63716f0..9492a47 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -303,6 +303,7 @@ components:
             category:
               type: "string"
               default: "TRANSACTION_CATEGORY"
+              description: "Only included if type is 2, 3, or 4"
 
     PushNotificationOnchainAddressGotUnconfirmedTransaction:
       allOf: # Combines PushNotificationBase and the inline model
@@ -331,6 +332,7 @@ components:
             category:
               type: "string"
               default: "TRANSACTION_CATEGORY"
+              description: "Only included if type is 2, 3, or 4"
 
     PushNotificationTxidGotConfirmed:
       allOf: # Combines PushNotificationBase and the inline model
@@ -351,6 +353,7 @@ components:
             category:
               type: "string"
               default: "TRANSACTION_CATEGORY"
+              description: "Only included if type is 2, 3, or 4"
 
     PushNotificationMessage:
       allOf: # Combines PushNotificationBase and the inline model
diff --git a/src/openapi/api.ts b/src/openapi/api.ts
index e26dbdc..0946894 100644
--- a/src/openapi/api.ts
+++ b/src/openapi/api.ts
@@ -363,7 +363,10 @@ export interface components {
             address: string;
             /** @description txid of the transaction where this address is one of the outputs */
             txid: string;
-            /** @default TRANSACTION_CATEGORY */
+            /**
+             * @description Only included if type is 2, 3, or 4
+             * @default TRANSACTION_CATEGORY
+             */
             category: string;
         };
         PushNotificationOnchainAddressGotUnconfirmedTransaction: components["schemas"]["PushNotificationBase"] & {
@@ -377,7 +380,10 @@ export interface components {
             address: string;
             /** @description txid of the transaction where this address is one of the outputs */
             txid: string;
-            /** @default TRANSACTION_CATEGORY */
+            /**
+             * @description Only included if type is 2, 3, or 4
+             * @default TRANSACTION_CATEGORY
+             */
             category: string;
         };
         PushNotificationTxidGotConfirmed: components["schemas"]["PushNotificationBase"] & {
@@ -387,7 +393,10 @@ export interface components {
             level?: "transactions";
             /** @description txid of the transaction that got confirmed */
             txid: string;
-            /** @default TRANSACTION_CATEGORY */
+            /**
+             * @description Only included if type is 2, 3, or 4
+             * @default TRANSACTION_CATEGORY
+             */
             category: string;
         };
         PushNotificationMessage: components["schemas"]["PushNotificationBase"] & {