---
title: "Changes to Create Agent Session"
method: POST
path: "/agent/sessions"
---

# Changes to Create Agent Session

`POST /agent/sessions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 29 revisions.

- **2026-10-09** `bc3aef6bc891`: 2 warning
- **2026-09-29** `31dc8dde8194`: 2 info
- **2026-09-23** `d410e1439ba7`: 1 warning, 3 info

## Changes

- **2026-10-09** `bc3aef6bc891`: 2 warning
  - removed the request property `claude_code_oauth_token`
  - removed the request property `harness`
- **2026-09-29** `31dc8dde8194`: 2 info
  - added the new optional request property `harness`
  - added the required property `harness` to the response with the `200` status
- **2026-09-23** `d410e1439ba7`: 1 warning, 3 info
  - added the new `claude-opus-5-5` enum value to the `model` response property for the response status `200`
  - the `model` request property default value changed from `claude-opus-4-8` to `claude-opus-5-5`
  - added the new `claude-opus-5-5` enum value to the request property `model`
  - added the optional property `active_plan_id` to the response with the `200` status

---

[Operation](https://skmtc.dev/runconverge/apis/runconverge-api/docs/agent/sessions/post.md) - [API](https://skmtc.dev/runconverge/apis/runconverge-api.md) - [Page](https://skmtc.dev/runconverge/apis/runconverge-api/changes/agent/sessions/post)