---
title: "Changes to Enqueue Pending Message"
method: POST
path: "/v1/store/chat-sessions/{chat_session_id}/pending-messages"
---

# Changes to Enqueue Pending Message

`POST /v1/store/chat-sessions/{chat_session_id}/pending-messages`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 35 revisions.

- **2026-09-18** `abf76937a751`: 2 info

## Changes

- **2026-09-18** `abf76937a751`: 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status

---

[Operation](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/docs/v1/store/chat-sessions/:chat_session_id/pending-messages/post.md) - [API](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api.md) - [Page](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/changes/v1/store/chat-sessions/:chat_session_id/pending-messages/post)