---
title: "Changes to List all studies"
method: GET
path: "/api/v1/studies/"
---

# Changes to List all studies

`GET /api/v1/studies/`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 34 revisions.

- **2026-10-30** `36e3bb40c638`: 2 info
- **2026-09-28** `5460576856ee`: 8 breaking, 2 info
- **2026-09-17** `6c9aa73fa51f`: 1 warning, 1 info
- **2026-09-12** `e9e1e322aacb`: 1 info

## Changes

- **2026-10-30** `36e3bb40c638`: 2 info
  - added the optional property `results/items/minimum_reward_per_hour` to the response with the `200` status
  - added the optional property `results/items/minimum_reward_per_hour_source` to the response with the `200` status
- **2026-09-28** `5460576856ee`: 8 breaking, 2 info
  - removed the enum value `ACTIVE` from the `query` request parameter `state`
  - removed the enum value `AWAITING REVIEW` from the `query` request parameter `state`
  - removed the enum value `COMPLETED` from the `query` request parameter `state`
  - removed the enum value `PAUSED` from the `query` request parameter `state`
  - removed the enum value `PUBLISHING` from the `query` request parameter `state`
  - removed the enum value `SCHEDULED` from the `query` request parameter `state`
  - removed the enum value `UNKNOWN` from the `query` request parameter `state`
  - removed the enum value `UNPUBLISHED` from the `query` request parameter `state`
  - added the new optional `query` request parameter `status`
  - `query` request parameter `state` was deprecated
- **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 `get-studies` removed and replaced with `studies_GetStudies`

---

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