---
title: "Update dataset v2 item"
method: PATCH
path: "/v1/datasets-v2/{datasetId}/items/{itemId}"
tags: ["Datasets v2"]
---

# Update dataset v2 item

`PATCH /v1/datasets-v2/{datasetId}/items/{itemId}`

## Request

- Base URL: `https://api.lunary.ai`
- URL: `https://api.lunary.ai/v1/datasets-v2/{datasetId}/items/{itemId}`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/lunary/apis/lunary-api/docs/v1/datasets-v2/:datasetId/items/:itemId/patch.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `datasetId` string, uuid, required
- `itemId` string, uuid, required

## Request body

- DatasetV2ItemInput
  - `input` string
  - `groundTruth` string, nullable
  - `output` string, nullable

## Response `200`

Updated dataset item

- DatasetV2Item
  - `id` string, uuid
  - `datasetId` string, uuid
  - `input` string
  - `groundTruth` string, nullable
  - `output` string, nullable
  - `evaluatorResult1` object, nullable
  - `evaluatorResult2` object, nullable
  - `evaluatorResult3` object, nullable
  - `evaluatorResult4` object, nullable
  - `evaluatorResult5` object, nullable
  - `createdAt` string, date-time
  - `updatedAt` string, date-time

---

[API](https://skmtc.dev/lunary/apis/lunary-api.md) - [All operations](https://skmtc.dev/lunary/apis/lunary-api/llms.txt) - [OpenAPI document](https://skmtc.dev/lunary/apis/lunary-api/revisions/a38233713bdc?raw)