---
title: "Replace Testset"
method: PUT
path: "/api/testsets/{testset_id}/"
tags: ["testsets"]
---

# Replace Testset

`PUT /api/testsets/{testset_id}/`

Default PUT handler with automatic organization injection.

Same behavior as patch() - preserves ownership for superadmins,
forces user's org for regular users.

## Path parameters

- `testset_id` string, required

## Headers

- `Authorization` string, required

## Request body

- PublicTestsetSheetUpdateRequest — Update serializer for testsets via API key
  - `name` string, required
  - `description` string
  - `column_definitions` unknown[]
    - unknown
  - `starred` boolean
  - `tags` string[]

## Response `200`

- PublicTestsetSheetUpdate — Update serializer for testsets via API key
  - `testset_unique_id` string, required
  - `project` string, nullable, required
  - `id` string, required
  - `created_at` string, date-time, required
  - `name` string, required
  - `description` string
  - `updated_at` string, date-time, required
  - `row_count` integer, required
  - `column_count` integer, required
  - `max_insertions_before_rebalance` integer, required
  - `used_row_indexes` number[], required
  - `current_max_row_index` number, double, required
  - `column_definitions` unknown[]
    - unknown
  - `starred` boolean
  - `created_by` integer, nullable, required
  - `organization` integer, required
  - `updated_by` integer, nullable, required
  - `tags` string[]

## Changes

- **2026-07-31** `c26d550029f8` — 3 breaking, 9 warning, 17 info
  - the `column_definitions/items/` request property type/format changed from `object`/`` to ``/``
  - the `column_definitions/items/` response's property type/format changed from `object`/`` to ``/`` for status `200`
  - removed the required property `column_definitions/items/field` from the response with the `200` status
  - removed the request property `column_definitions/items/field`
  - …25 more

[Change history](https://skmtc.dev/keywordsai/apis/api-reference/changes/api/testsets/:testset_id/put.md)

---

[API](https://skmtc.dev/keywordsai/apis/api-reference.md) · [All operations](https://skmtc.dev/keywordsai/apis/api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/keywordsai/api-reference/revisions/c26d550029f8/schema)