---
title: "Workflow data Parquet option"
method: GET
path: "/v4/workflows/{workflowId}/data/parquet"
tags: ["Workflows"]
---

# Workflow data Parquet option

`GET /v4/workflows/{workflowId}/data/parquet`

## Request

- Base URL: `https://api.kadoa.com`
- URL: `https://api.kadoa.com/v4/workflows/{workflowId}/data/parquet`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

Streams the canonical Parquet artifact for the latest successful workflow run, or for a
specific run when `runId` is provided. The file is the full, unfiltered dataset for that run.
Use this endpoint for typed analytical ingestion into engines such as DuckDB, Spark, Polars,
Snowflake, or BigQuery.

## Path parameters

- `workflowId` string, required

## Query parameters

- `runId` string

## Response `200`

Parquet file bytes.

## Other responses

- `400`: Invalid workflowId or runId.
- `401`: Unauthorized.
- `404`: Workflow, run, or Parquet artifact not found.
- `500`: Internal server error.

---

[API](https://skmtc.dev/kadoa/apis/kadoa-api.md) · [All operations](https://skmtc.dev/kadoa/apis/kadoa-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kadoa/apis/kadoa-api/revisions/bf7803c927b4?raw)