---
title: "Rename an Experiment"
method: PATCH
path: "/experiments/{experiment_id}"
tags: ["experiments"]
---

# Rename an Experiment

`PATCH /experiments/{experiment_id}`

Rename visible work as an Owner/Admin.

Args:
    experiment_id: Experiment identifier.
    request: New display title.
    auth: Authenticated caller.

Returns:
    Updated metadata.

## Path parameters

- `experiment_id` string, uuid, required

## Request body

- ExperimentRenameRequest — Payload for changing an Experiment display name.
  - `title` string, required

## Response `200`

Successful Response

- ExperimentResponse — Metadata for one durable Experiment.
  - `id` string, required
  - `project_id` string, required
  - `project_version_id` string, nullable, required
  - `team_id` string, required
  - `session_id` string, nullable — Creator-only transcript session identifier.
  - `created_by` string, required
  - `title` string, nullable, required
  - `mode` 'mle_agent' | 'auto_agent', required — Which agent drives an Experiment's conversation (EDD section 0.2).
  - `stage` 'scoping' | 'preparing_data' | 'training' | 'evaluating' | 'complete' | 'blocked' | 'cancelled', required — Agent-owned workflow stage of an Experiment (EDD section 0.2).
  - `mode_locked_at` string, date-time, nullable, required
  - `last_activity_at` string, date-time, required
  - `completed_at` string, date-time, nullable, required
  - `cancelled_at` string, date-time, nullable, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `summary` ExperimentAssetSummary, required — Stable landing counts and display fields for one Experiment.
    - `active_job_count` integer, required
    - `total_job_count` integer, required
    - `dataset_count` integer, required
    - `evaluation_count` integer, required
    - `base_models` string[], required
    - `base_models_truncated` boolean, required
    - `last_activity_at` string, date-time, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/pioneer/apis/brain-api.md) · [All operations](https://skmtc.net/pioneer/apis/brain-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/pioneer/brain-api/revisions/b92f75fd3b61/schema)