---
title: "Changes to POST /api/sessions"
method: POST
path: "/api/sessions"
---

# Changes to POST /api/sessions

`POST /api/sessions`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 10 of 63 revisions.

- **2026-08-27** `04072327b4e0` — 1 info
- **2026-08-13** `1ec1b5550243` — 1 info
- **2026-05-13** `f43ccea8bcc5` — 1 info
- **2026-05-10** `ec6725586e43` — 3 breaking, 3 info
- **2026-05-06** `885b13067692` — 1 info
- **2026-04-25** `87834ab1254b` — 1 breaking
- **2026-04-25** `cbbe49e2b3e2` — 1 info
- **2026-04-10** `2dab040c6e90` — 7 info
- **2026-04-06** `704da358d834` — 1 info
- **2026-03-27** `536b8636ac1e` — 9 breaking, 3 warning, 2 info

## Changes

- **2026-08-27** `04072327b4e0` — 1 info
  - added the new optional request property `oneOf[#/components/schemas/CreateSessionRequest]/launchRequestId`
- **2026-08-13** `1ec1b5550243` — 1 info
  - added the new optional request property `oneOf[#/components/schemas/CreateSessionRequest]/launchCommand`
- **2026-05-13** `f43ccea8bcc5` — 1 info
  - added the required property `topic` to the response with the `200` status
- **2026-05-10** `ec6725586e43` — 3 breaking, 3 info
  - removed the required property `hasLensHistory` from the response with the `200` status
  - removed the required property `lensOnly` from the response with the `200` status
  - removed the required property `lensResumeThreadId` from the response with the `200` status
  - added the required property `appServerControlOnly` to the response with the `200` status
  - added the required property `appServerControlResumeThreadId` to the response with the `200` status
  - added the required property `hasAppServerControlHistory` to the response with the `200` status
- **2026-05-06** `885b13067692` — 1 info
  - added the required property `notes` to the response with the `200` status
- **2026-04-25** `87834ab1254b` — 1 breaking
  - removed the required property `notes` from the response with the `200` status
- **2026-04-25** `cbbe49e2b3e2` — 1 info
  - added the required property `notes` to the response with the `200` status
- **2026-04-10** `2dab040c6e90` — 7 info
  - added the new optional request property `oneOf[#/components/schemas/CreateSessionRequest]/spaceId`
  - added the new optional request property `oneOf[#/components/schemas/CreateSessionRequest]/surface`
  - added the new optional request property `oneOf[#/components/schemas/CreateSessionRequest]/workspacePath`
  - added the required property `isAdHoc` to the response with the `200` status
  - added the required property `spaceId` to the response with the `200` status
  - added the required property `surface` to the response with the `200` status
  - added the required property `workspacePath` to the response with the `200` status
- **2026-04-06** `704da358d834` — 1 info
  - added the required property `lensResumeThreadId` to the response with the `200` status
- **2026-03-27** `536b8636ac1e` — 9 breaking, 3 warning, 2 info
  - removed the required property `appServerControlOnly` from the response with the `200` status
  - removed the required property `appServerControlResumeThreadId` from the response with the `200` status
  - removed the required property `hasAppServerControlHistory` from the response with the `200` status
  - removed the required property `isAdHoc` from the response with the `200` status
  - removed the required property `notes` from the response with the `200` status
  - removed the required property `spaceId` from the response with the `200` status
  - removed the required property `surface` from the response with the `200` status
  - removed the required property `topic` from the response with the `200` status
  - removed the required property `workspacePath` from the response with the `200` status
  - removed the request property `oneOf[#/components/schemas/CreateSessionRequest]/spaceId`
  - removed the request property `oneOf[#/components/schemas/CreateSessionRequest]/surface`
  - removed the request property `oneOf[#/components/schemas/CreateSessionRequest]/workspacePath`
  - added the required property `hasLensHistory` to the response with the `200` status
  - added the required property `lensOnly` to the response with the `200` status

---

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