---
title: "Read active partitions and confirmation disclosure counts"
method: GET
path: "/v1/experiments/{experiment_id}/partitions"
tags: ["experiments"]
---

# Read active partitions and confirmation disclosure counts

`GET /v1/experiments/{experiment_id}/partitions`

## Request

- Base URL: `https://api.pioneer.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.pioneer.ai/v1/experiments/{experiment_id}/partitions`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer
- TypeScript: <https://skmtc.dev/pioneer/apis/brain-api/docs/v1/experiments/:experiment_id/partitions/get.ts> (a function with typed inputs; its response is checked against the schema)

Report pinned versions and confirmation reads to the creator only.

## Path parameters

- `experiment_id` string, uuid, required

## Response `200`

Successful Response

- ExperimentPartitionsResponse: All active fine-tune partitions for one Experiment.
  - `experiment_id` string, required
  - `partitions` ExperimentPartitionResponse[], required
    - `dataset_id` string, required
    - `dataset_name` string, required
    - `version_number` string, required
    - `role` 'train' | 'development' | 'final_evaluation', required
    - `confirmation_read_count` integer, required
    - `confirmation_read_experiment_ids` string[], required
    - `confirmation_rotation_required` boolean, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-24** `0e5e86e2bae5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/pioneer/apis/brain-api/changes/v1/experiments/:experiment_id/partitions/get.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/0e5e86e2bae5?raw)