---
title: "Process Prepop request"
method: POST
path: "/prepop"
---

# Process Prepop request

`POST /prepop`

Convert prepopulated data into a supplementary data file

## Query parameters

- `survey_id` string, required

## Request body

- PrepopData

## Response `200`

Successful response

- object

## Other responses

- `400` — Bad request
- `500` — Internal server error

---

[API](https://skmtc.net/office-of-national-statistics/apis/sdx-transformer-api.md) · [All operations](https://skmtc.net/office-of-national-statistics/apis/sdx-transformer-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/office-of-national-statistics/sdx-transformer-api/revisions/1b7db3be203d/schema)