---
title: "Changes to Update a project"
method: PATCH
path: "/api/v1/projects/{project_id}/"
---

# Changes to Update a project

`PATCH /api/v1/projects/{project_id}/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 6 of 34 revisions.

- **2026-09-17** `6c9aa73fa51f`: 1 warning, 1 info
- **2026-09-12** `e9e1e322aacb`: 1 info
- **2026-09-01** `ae92a54c3ced`: 1 info
- **2026-08-22** `c3fff03d2ecc`: 3 warning, 1 info
- **2026-07-31** `6427f33866b6`: 1 info
- **2026-07-26** `421c6aa415ef`: 2 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 `update-project` removed and replaced with `projects_UpdateProject`
- **2026-09-01** `ae92a54c3ced`: 1 info
  - added the optional property `longitudinal/oneOf[subschema #1: ProjectLongitudinal]/config/oneOf[subschema #1: LongitudinalConfig]/representative_sample` to the response with the `200` status
- **2026-08-22** `c3fff03d2ecc`: 3 warning, 1 info
  - the `public_details/description` request property's maxLength was set to `3000`
  - the `public_details/short_description` request property's maxLength was set to `500`
  - the `public_details/title` request property's maxLength was set to `120`
  - response property `naivety_distribution_rate` deprecated
- **2026-07-31** `6427f33866b6`: 1 info
  - added the optional property `longitudinal/oneOf[subschema #1: ProjectLongitudinal]/waves` to the response with the `200` status
- **2026-07-26** `421c6aa415ef`: 2 info
  - added the optional property `is_longitudinal` to the response with the `200` status
  - added the optional property `longitudinal` to the response with the `200` status

---

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