---
title: "Get Dataset History"
method: GET
path: "/felix/synthesis-log/dataset/{dataset_id}"
tags: ["felix", "synthesis-log"]
---

# Get Dataset History

`GET /felix/synthesis-log/dataset/{dataset_id}`

Get all synthesis log entries linked to a dataset.

Args:
    dataset_id: UUID of the dataset.
    auth: Authentication result.

Returns:
    All synthesis log entries for the dataset in chronological order.

Raises:
    HTTPException: If the query fails.

## Path parameters

- `dataset_id` string, uuid, required

## Response `200`

Successful Response

- SynthesisLogDatasetResponse — Response containing all synthesis log entries linked to a dataset.
  - `dataset_id` string, required
  - `entries` SynthesisLogEntry[], required
    - `id` string, required
    - `user_id` string, required
    - `dataset_id` string, nullable
    - `project_id` string, nullable
    - `session_id` string, required
    - `entry_type` 'prompt' | 'seed_generation' | 'seed_feedback' | 'prompt_update' | 'expansion' | 'finalization', required
    - `content` object, required
    - `created_at` string, date-time, required

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-24** `1cffaad2a921` — 1 warning, 1 info
  - removed the optional property `detail` from the response with the `422` status
  - added the required property `error` to the response with the `422` status
- **2026-08-19** `b92f75fd3b61` — 1 breaking
  - for the `path` request parameter `dataset_id`, the format changed from no format to `uuid`

[Change history](https://skmtc.dev/pioneer/apis/brain-api/changes/felix/synthesis-log/dataset/:dataset_id/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/1cffaad2a921?raw)