---
title: "Changes to Get chat messages"
method: GET
path: "/chat/completions/{completion_id}/messages"
---

# Changes to Get chat messages

`GET /chat/completions/{completion_id}/messages`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 31 revisions.

- **2026-07-09** `e0508a503b84` — 2 info

## Changes

- **2026-07-09** `e0508a503b84` — 2 info
  - added the optional property `data/items/allOf[subschema #2]/content_parts/anyOf[subschema #1]/items/anyOf[subschema #1: Text content part]/prompt_cache_breakpoint` to the response with the `200` status
  - added the optional property `data/items/allOf[subschema #2]/content_parts/anyOf[subschema #1]/items/anyOf[subschema #2: Image content part]/prompt_cache_breakpoint` to the response with the `200` status

---

[Operation](https://skmtc.dev/openai/apis/openai-api/docs/chat/completions/:completion_id/messages/get.md) · [API](https://skmtc.dev/openai/apis/openai-api.md) · [Page](https://skmtc.dev/openai/apis/openai-api/changes/chat/completions/:completion_id/messages/get)