---
title: "Changes to Claim Oldest Drainable Pending Message"
method: POST
path: "/v1/store/chat-sessions/{chat_session_id}/pending-messages/claim-oldest-drainable"
---

# Changes to Claim Oldest Drainable Pending Message

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

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 35 revisions.

- **2026-09-18** `abf76937a751`: 2 info
- **2026-08-19** `bc8a81bf3914`: 1 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
- **2026-08-19** `bc8a81bf3914`: 1 info
  - added the new optional request property `kinds`

---

[Operation](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/docs/v1/store/chat-sessions/:chat_session_id/pending-messages/claim-oldest-drainable/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/claim-oldest-drainable/post)