---
title: "Delete Project"
method: DELETE
path: "/projects/{project_id}"
tags: ["projects"]
---

# Delete Project

`DELETE /projects/{project_id}`

Soft-delete a visible project.

Args:
    project_id: Project identifier.
    auth: Authenticated caller.
    service: Project service.

Returns:
    Deletion confirmation.

## Path parameters

- `project_id` string, uuid, required

## Response `200`

Successful Response

- ProjectDeleteResponse — Response model for deleting a project.
  - `success` boolean, required
  - `message` string, required
  - `project_id` string, required

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-24** `1cffaad2a921` — 1 warning, 1 info
  - removed the optional property `detail` from the response with the `422` status
  - added the required property `error` to the response with the `422` status

[Change history](https://skmtc.dev/pioneer/apis/brain-api/changes/projects/:project_id/delete.md)

---

[API](https://skmtc.dev/pioneer/apis/brain-api.md) · [All operations](https://skmtc.dev/pioneer/apis/brain-api/llms.txt) · [OpenAPI document](https://skmtc.dev/pioneer/apis/brain-api/revisions/1cffaad2a921?raw)