From e6a1aa4ae74895b501a3f15977c852f3bd89c93f Mon Sep 17 00:00:00 2001
From: Alex Stanfield <13949480+chaptersix@users.noreply.github.com>
Date: Wed, 22 Oct 2025 12:39:37 -0500
Subject: [PATCH 1/2] add token to callback.nexus

---
 openapi/openapiv2.json               | 4 ++++
 openapi/openapiv3.yaml               | 3 +++
 temporal/api/common/v1/message.proto | 1 +
 3 files changed, 8 insertions(+)

diff --git a/openapi/openapiv2.json b/openapi/openapiv2.json
index bb205be6d..ebe8a6b85 100644
--- a/openapi/openapiv2.json
+++ b/openapi/openapiv2.json
@@ -7331,6 +7331,10 @@
             "type": "string"
           },
           "description": "Header to attach to callback request."
+        },
+        "token": {
+          "type": "string",
+          "format": "byte"
         }
       }
     },
diff --git a/openapi/openapiv3.yaml b/openapi/openapiv3.yaml
index 9fc0ffb40..daee8bc63 100644
--- a/openapi/openapiv3.yaml
+++ b/openapi/openapiv3.yaml
@@ -7342,6 +7342,9 @@ components:
           additionalProperties:
             type: string
           description: Header to attach to callback request.
+        token:
+          type: string
+          format: bytes
     CanceledFailureInfo:
       type: object
       properties:
diff --git a/temporal/api/common/v1/message.proto b/temporal/api/common/v1/message.proto
index 838f5fefc..308babf79 100644
--- a/temporal/api/common/v1/message.proto
+++ b/temporal/api/common/v1/message.proto
@@ -173,6 +173,7 @@ message Callback {
         string url = 1;
         // Header to attach to callback request.
         map<string, string> header = 2;
+        bytes token = 3;
     }
 
     // Callbacks to be delivered internally within the system.

From 87f4c9a51b81d382feddebccfb39cd0dbc6dcab8 Mon Sep 17 00:00:00 2001
From: Alex Stanfield <13949480+chaptersix@users.noreply.github.com>
Date: Mon, 17 Nov 2025 09:31:08 -0600
Subject: [PATCH 2/2] Update temporal/api/common/v1/message.proto

Co-authored-by: Roey Berman <roey.berman@gmail.com>
---
 temporal/api/common/v1/message.proto | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/temporal/api/common/v1/message.proto b/temporal/api/common/v1/message.proto
index 308babf79..300788b47 100644
--- a/temporal/api/common/v1/message.proto
+++ b/temporal/api/common/v1/message.proto
@@ -173,6 +173,8 @@ message Callback {
         string url = 1;
         // Header to attach to callback request.
         map<string, string> header = 2;
+        // A token that is used to recreated context when handling the callback request.
+        // Supported from server version 1.30.
         bytes token = 3;
     }