---
title: "Changes to Update Message"
method: PUT
path: "/messages/{message_id}"
---

# Changes to Update Message

`PUT /messages/{message_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 58 revisions.

- **2026-07-10** `fbecbdbd7dc5`: 2 info
- **2026-06-23** `94d73d46952b`: 2 warning
- **2026-06-22** `28b893025743`: 2 info

## Changes

- **2026-07-10** `fbecbdbd7dc5`: 2 info
  - added the new optional request property `content/oneOf[subschema #5: ToolResponseContent]/is_error`
  - added the optional property `content/oneOf[subschema #5: ToolResponseContent]/is_error` to the response with the `200` status
- **2026-06-23** `94d73d46952b`: 2 warning
  - removed the request property `content/oneOf[subschema #5: ToolResponseContent]/is_error`
  - removed the optional property `content/oneOf[subschema #5: ToolResponseContent]/is_error` from the response with the `200` status
- **2026-06-22** `28b893025743`: 2 info
  - added the new optional request property `content/oneOf[subschema #5: ToolResponseContent]/is_error`
  - added the optional property `content/oneOf[subschema #5: ToolResponseContent]/is_error` to the response with the `200` status

---

[Operation](https://skmtc.dev/scaleapi/apis/agentex-api/docs/messages/:message_id/put.md) - [API](https://skmtc.dev/scaleapi/apis/agentex-api.md) - [Page](https://skmtc.dev/scaleapi/apis/agentex-api/changes/messages/:message_id/put)