---
title: "Create Dataset Version from File"
method: POST
path: "/api/public/v2/dataset-versions/from-file"
tags: ["datasets"]
---

# Create Dataset Version from File

`POST /api/public/v2/dataset-versions/from-file`

## Request body

- CreateDatasetVersionFromFileRequest
  - `dataset_group_id` integer, required — ID of the dataset group where the new version will be created.
  - `file_name` string, required — Name of the CSV or JSON file. Must end with .csv or .json.
  - `file_content_base64` string, required — Base64-encoded file content. Maximum decoded file size is 100MB.

## Response `201`

Dataset version creation job queued.

- CreateDatasetVersionFromFileResponse
  - `success` true, required
  - `message` string, required
  - `dataset_id` integer, required — ID of the draft dataset created for asynchronous processing.

## Other responses

- `400` — Bad Request - Invalid file format, file too large, or invalid base64 encoding
- `401` — Unauthorized - missing or invalid API key.
- `403` — Forbidden - API key does not have access to the requested resource.
- `404` — Not found - requested resource does not exist or is not accessible.
- `422` — Validation error - request parameters or body are invalid.
- `500` — Failed to upload file or create dataset version

---

[API](https://skmtc.dev/promptlayer/apis/promptlayer-api.md) · [All operations](https://skmtc.dev/promptlayer/apis/promptlayer-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/promptlayer/promptlayer-api/revisions/a23093a0a506/schema)