---
title: "Changes to Send chat message"
method: POST
path: "/api/agent_builder/converse"
---

# Changes to Send chat message

`POST /api/agent_builder/converse`

> Every recorded change to this endpoint, newest first.
> 176 revisions in range; 20 not diffed.

## Timeline

Changed in 7 of 176 revisions.

- **2026-09-17** `94842f326dc0` — 1 info
- **2026-09-16** `1e4ce06e3809` — 1 warning
- **2026-09-10** `b098d0a133f1` — 1 info
- **2026-08-26** `52979c990ed3` — 1 warning
- **2026-08-18** `9949109ac0ad` — 1 info
- **2026-08-14** `0cf33784b2ed` — 1 info
- **2026-07-29** `e38d633f77af` — 2 info

## Changes

- **2026-09-17** `94842f326dc0` — 1 info
  - request property `action` deprecated
- **2026-09-16** `1e4ce06e3809` — 1 warning
  - the `conversation_id` request property's maxLength was set to `256`
- **2026-09-10** `b098d0a133f1` — 1 info
  - added the new optional request property `reasoning_level`
- **2026-08-26** `52979c990ed3` — 1 warning
  - removed the request property `capabilities`
- **2026-08-18** `9949109ac0ad` — 1 info
  - added the new optional request property `project_routing`
- **2026-08-14** `0cf33784b2ed` — 1 info
  - added the new optional request property `read_only`
- **2026-07-29** `e38d633f77af` — 2 info
  - added the new optional request property `configuration_overrides/enable_elastic_capabilities`
  - added the new optional request property `configuration_overrides/skill_ids`

---

[Operation](https://skmtc.dev/elastic/apis/kibana-apis/docs/api/agent_builder/converse/post.md) · [API](https://skmtc.dev/elastic/apis/kibana-apis.md) · [Page](https://skmtc.dev/elastic/apis/kibana-apis/changes/api/agent_builder/converse/post)