---
title: "Changes to Send a message to a chat session's agent"
method: POST
path: "/api/v1/sessions/{sessionId}/conversation/messages"
---

# Changes to Send a message to a chat session's agent

`POST /api/v1/sessions/{sessionId}/conversation/messages`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 170 revisions.

- **2026-09-03** `d31a2d019c47` — 5 info
- **2026-08-23** `e7b23ab9a07a` — 1 warning
- **2026-08-06** `d8396ad2c721` — 1 info

## Changes

- **2026-09-03** `d31a2d019c47` — 5 info
  - added the optional property `reporting_owner` to the response with the `400` status
  - added the optional property `reporting_owner` to the response with the `404` status
  - added the optional property `reporting_owner` to the response with the `409` status
  - added the optional property `reporting_owner` to the response with the `500` status
  - added the optional property `reporting_owner` to the response with the `501` status
- **2026-08-23** `e7b23ab9a07a` — 1 warning
  - added the new `recovered` enum value to the `state` response property for the response status `202`
- **2026-08-06** `d8396ad2c721` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon/docs/api/v1/sessions/:sessionId/conversation/messages/post.md) · [API](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon.md) · [Page](https://skmtc.dev/composiohq/apis/agent-orchestrator-http-daemon/changes/api/v1/sessions/:sessionId/conversation/messages/post)