---
title: "Create a new dataset"
method: POST
path: "/beta/dataset"
tags: ["Dataset"]
---

# Create a new dataset

`POST /beta/dataset`

## Request

- Base URL: `https://api.friendli.ai`
- URL: `https://api.friendli.ai/beta/dataset`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/friendli/apis/friendli-suite-api-reference/docs/beta/dataset/post.ts> (a function with typed inputs; its response is checked against the schema)

Create a new dataset.

## Headers

- `X-Friendli-Team` string, nullable: ID of team to run requests as (optional parameter).

## Request body

- CreateDatasetRequest: Create dataset request.
  - `name` string, required: Name of the dataset.
  - `projectId` string, required: ID of the project.
  - `modality` DedicatedDatasetModality, required: Dataset modality.
    - `input_modals` DedicatedDatasetModalityType[]
    - `output_modals` DedicatedDatasetModalityType[]

## Response `200`

OK

- DatasetInfo: Dataset info.
  - `id` string, required: ID of the dataset.
  - `name` string, required: Name of the dataset.
  - `createdAt` integer, required: Unix timestamp (in seconds) of when the dataset was created.
  - `updatedAt` integer, required: Unix timestamp (in seconds) of when the dataset was last modified.
  - `modality` DedicatedDatasetModality, required: Dataset modality.
    - `input_modals` DedicatedDatasetModalityType[]
    - `output_modals` DedicatedDatasetModalityType[]

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/friendli/apis/friendli-suite-api-reference.md) - [All operations](https://skmtc.dev/friendli/apis/friendli-suite-api-reference/llms.txt) - [OpenAPI document](https://skmtc.dev/friendli/apis/friendli-suite-api-reference/revisions/38fb43993a11?raw)