---
title: "Changes to Send Chat Message"
method: POST
path: "/chat-messages"
---

# Changes to Send Chat Message

`POST /chat-messages`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 20 revisions.

- **2026-10-23** `9b8ecd70c860`: 3 info
- **2026-07-17** `3ff4555d5dda`: 1 info

## Changes

- **2026-10-23** `9b8ecd70c860`: 3 info
  - added the optional property `metadata/retriever_resources/items/doc_metadata` to the response with the `200` status
  - added the optional property `metadata/retriever_resources/items/files` to the response with the `200` status
  - added the optional property `metadata/retriever_resources/items/title` to the response with the `200` status
- **2026-07-17** `3ff4555d5dda`: 1 info
  - added the non-success response with the status `403`

---

[Operation](https://skmtc.dev/langgenius/apis/dify-service-api/docs/chat-messages/post.md) - [API](https://skmtc.dev/langgenius/apis/dify-service-api.md) - [Page](https://skmtc.dev/langgenius/apis/dify-service-api/changes/chat-messages/post)