---
title: "POST /v1/experiment/dataset/{datasetId}/mutate"
method: POST
path: "/v1/experiment/dataset/{datasetId}/mutate"
tags: ["Dataset"]
---

# POST /v1/experiment/dataset/{datasetId}/mutate

`POST /v1/experiment/dataset/{datasetId}/mutate`

## Request body

- object
  - `removeRequests` string[], required
  - `addRequests` string[], required

## Response `200`

Ok

- union
  - ResultSuccessArray
    - `data` object[], required
    - `error` null, nullable, required
  - ResultErrorString
    - `data` null, nullable, required
    - `error` string, required

---

[API](https://skmtc.net/helicone/apis/helicone-api.md) · [All operations](https://skmtc.net/helicone/apis/helicone-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/helicone/helicone-api/revisions/b369e9e3e80c/schema)