---
title: "Starts aggregating a running job's results; poll GET /job/{jobId}/preliminary-download/{downloadId} for the file."
method: POST
path: "/job/{jobId}/preliminary-download"
tags: ["Job"]
---

# Starts aggregating a running job's results; poll GET /job/{jobId}/preliminary-download/{downloadId} for the file.

`POST /job/{jobId}/preliminary-download`

## Request

- Base URL: `https://api.rapidata.ai`
- URL: `https://api.rapidata.ai/job/{jobId}/preliminary-download`
- Auth: OpenID Connect (`https://auth.rapidata.ai/.well-known/openid-configuration`, scopes: `openid`, `profile`, `email`, `offline_access`, `api`)

## Path parameters

- `jobId` string, required

## Request body

- StartJobPreliminaryDownloadEndpointInput
  - `sendEmail` boolean: Whether to email the caller when the download is ready.

## Response `200`

OK

- StartJobPreliminaryDownloadEndpointOutput
  - `downloadId` string, required: The id of the preliminary download that was started.

## Other responses

- `400`: Bad Request
- `401`: Unauthenticated
- `403`: Forbidden

## Changes

- **2026-10-22** `3aca4dde85d0`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/rapidata/apis/rapidata-api/changes/job/:jobId/preliminary-download/post.md)

---

[API](https://skmtc.dev/rapidata/apis/rapidata-api.md) - [All operations](https://skmtc.dev/rapidata/apis/rapidata-api/llms.txt) - [OpenAPI document](https://skmtc.dev/rapidata/apis/rapidata-api/revisions/004a977d7d9f?raw)