---
title: "Changes to Create a project"
method: POST
path: "/api/v1/workspaces/{workspace_id}/projects/"
---

# Changes to Create a project

`POST /api/v1/workspaces/{workspace_id}/projects/`

> 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`: 2 info
- **2026-08-22** `c3fff03d2ecc`: 9 warning, 2 info
- **2026-07-31** `6427f33866b6`: 1 info
- **2026-07-26** `421c6aa415ef`: 4 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 `create-project` removed and replaced with `projects_CreateProject`
- **2026-09-01** `ae92a54c3ced`: 2 info
  - added the new optional request property `longitudinal/oneOf[subschema #1: CreateProjectLongitudinal]/config/representative_sample`
  - added the optional property `longitudinal/oneOf[subschema #1: ProjectLongitudinal]/config/oneOf[subschema #1: LongitudinalConfig]/representative_sample` to the response with the `201` status
- **2026-08-22** `c3fff03d2ecc`: 9 warning, 2 info
  - the `public_details/oneOf[subschema #1: PublicDetails]/description` request property's maxLength was set to `3000`
  - the `public_details/oneOf[subschema #1: PublicDetails]/short_description` request property's maxLength was set to `500`
  - the `public_details/oneOf[subschema #1: PublicDetails]/title` request property's maxLength was set to `120`
  - the `longitudinal/oneOf[subschema #1: CreateProjectLongitudinal]/config/retention_rate` request property's max was set to `1.00`
  - the `longitudinal/oneOf[subschema #1: CreateProjectLongitudinal]/config/target_completions` request property's max was set to `1000000.00`
  - the `naivety_distribution_rate` request property's max was set to `1.00`
  - the `longitudinal/oneOf[subschema #1: CreateProjectLongitudinal]/config/retention_rate` request property's min was set to `0.01`
  - the `longitudinal/oneOf[subschema #1: CreateProjectLongitudinal]/config/target_completions` request property's min was set to `1.00`
  - the `naivety_distribution_rate` request property's min was set to `0.00`
  - request property `naivety_distribution_rate` deprecated
  - 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 `201` status
- **2026-07-26** `421c6aa415ef`: 4 info
  - added the new optional request property `is_longitudinal`
  - added the new optional request property `longitudinal`
  - added the optional property `is_longitudinal` to the response with the `201` status
  - added the optional property `longitudinal` to the response with the `201` status

---

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