---
title: "Download a material property dataset file"
method: GET
path: "/material_property_datasets/{property_id}/file"
tags: ["Material Property Datasets"]
---

# Download a material property dataset file

`GET /material_property_datasets/{property_id}/file`

Redirect to a short-lived signed URL for downloading a dataset file.

Returns a ``307 Temporary Redirect`` to a Supabase signed URL (valid 5
minutes). The browser follows the redirect and downloads the file directly
from storage.

Use ``?kind=parquet`` (default) for the processed parquet or
``?kind=original`` for the raw file the user uploaded.

## Path parameters

- `property_id` string, required

## Query parameters

- `kind` 'parquet' | 'original' — Which file to download: ``parquet`` for the processed dataset, ``original`` for the raw uploaded file.

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/ionworks/apis/fastapi.md) · [All operations](https://skmtc.dev/ionworks/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ionworks/fastapi/revisions/7337a3cbdaf2/schema)