---
title: "Changes to Delete a study from a project"
method: DELETE
path: "/api/v1/projects/{project_id}/studies/{study_id}/"
---

# Changes to Delete a study from a project

`DELETE /api/v1/projects/{project_id}/studies/{study_id}/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 34 revisions.

- **2026-09-17** `6c9aa73fa51f`: 1 warning, 1 info
- **2026-09-12** `e9e1e322aacb`: 1 info

## Changes

- **2026-09-17** `6c9aa73fa51f`: 1 warning, 1 info
  - deleted the `header` request parameter `Authorization`
  - the endpoint scheme security `token` was added to the API
- **2026-09-12** `e9e1e322aacb`: 1 info
  - api operation id `delete-project-study` removed and replaced with `studies_DeleteProjectStudy`

---

[Operation](https://skmtc.dev/prolific/apis/api-reference/docs/api/v1/projects/:project_id/studies/:study_id/delete.md) - [API](https://skmtc.dev/prolific/apis/api-reference.md) - [Page](https://skmtc.dev/prolific/apis/api-reference/changes/api/v1/projects/:project_id/studies/:study_id/delete)