---
title: "Changes to Search Messages"
method: POST
path: "/v1/agents/messages/search"
---

# Changes to Search Messages

`POST /v1/agents/messages/search`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 36 revisions.

- **2025-10-07** `42a9cd544e13` — 1 info
- **2025-10-07** `1ba60b114a27` — 1 info
- **2025-10-03** `f0554a0bf8b2` — 3 info
- **2025-09-29** `ac8e1eb68404` — 1 info
- **2025-09-24** `68c3c741b873` — 1 breaking, 1 info

## Changes

- **2025-10-07** `42a9cd544e13` — 1 info
  - added the optional property `items/message/tool_returns/anyOf[subschema #1]/items/func_response` to the response with the `200` status
- **2025-10-07** `1ba60b114a27` — 1 info
  - added the optional property `items/message/tool_returns/anyOf[subschema #1]/items/tool_call_id` to the response with the `200` status
- **2025-10-03** `f0554a0bf8b2` — 3 info
  - added the optional property `items/message/content/anyOf[subschema #1]/items/oneOf[subschema #1: TextContent]/signature` to the response with the `200` status
  - added the optional property `items/message/content/anyOf[subschema #1]/items/oneOf[subschema #3: ToolCallContent]/signature` to the response with the `200` status
  - added the optional property `items/message/content/anyOf[subschema #1]/items/oneOf[subschema #7: OmittedReasoningContent]/signature` to the response with the `200` status
- **2025-09-29** `ac8e1eb68404` — 1 info
  - added the optional property `items/message/run_id` to the response with the `200` status
- **2025-09-24** `68c3c741b873` — 1 breaking, 1 info
  - added `#/components/schemas/SummarizedReasoningContent` to the `items/message/content/anyOf[subschema #1]/items/` response property `oneOf` list for the response status `200`
  - added `summarized_reasoning` discriminator mapping keys to the `items/message/content/anyOf[subschema #1]/items/` response property for the response status `200`

---

[Operation](https://skmtc.dev/yu-code666/apis/letta-api/docs/v1/agents/messages/search/post.md) · [API](https://skmtc.dev/yu-code666/apis/letta-api.md) · [Page](https://skmtc.dev/yu-code666/apis/letta-api/changes/v1/agents/messages/search/post)