---
title: "Changes to Start a project's editor machine"
method: POST
path: "/projects/{projectId}/machine/start"
---

# Changes to Start a project's editor machine

`POST /projects/{projectId}/machine/start`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 29 revisions.

- **2026-10-28** `062f5f1b4638`: 2 breaking, 2 info
- **2026-10-01** `df3d4eb06bcf`: 1 info
- **2026-09-30** `72a433c3cd28`: 1 info
- **2026-09-29** `349de235eff0`: 1 info

## Changes

- **2026-10-28** `062f5f1b4638`: 2 breaking, 2 info
  - the response property `machine/error` became nullable for the status `202`
  - the response property `machine/sandboxEnvironmentId` became nullable for the status `202`
  - response property `machine/error` list-of-types was narrowed by removing types `null` from media type `application/json` of response `202`
  - response property `machine/sandboxEnvironmentId` list-of-types was narrowed by removing types `null` from media type `application/json` of response `202`
- **2026-10-01** `df3d4eb06bcf`: 1 info
  - added the required property `machine/startingPhase` to the response with the `202` status
- **2026-09-30** `72a433c3cd28`: 1 info
  - added the required property `machine/sandboxEnvironmentId` to the response with the `202` status
- **2026-09-29** `349de235eff0`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/deepnote/apis/deepnote-public-api/docs/projects/:projectId/machine/start/post.md) - [API](https://skmtc.dev/deepnote/apis/deepnote-public-api.md) - [Page](https://skmtc.dev/deepnote/apis/deepnote-public-api/changes/projects/:projectId/machine/start/post)