---
title: "Upload a supporting document"
method: POST
path: "/prior-authority/documents"
tags: ["Prior Authority"]
---

# Upload a supporting document

`POST /prior-authority/documents`

Accepts a multipart/form-data file upload from the frontend and returns the uploaded filename.

## Response `200`

File accepted.

## Other responses

- `400` — No file supplied or file is empty.
- `413` — File exceeds the configured maximum size.
- `415` — Unsupported file type.

## Changes

- **2026-07-17** `692d1529d13d` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/ministryofjustice/apis/openapi-definition/changes/prior-authority/documents/post.md)

---

[API](https://skmtc.dev/ministryofjustice/apis/openapi-definition.md) · [All operations](https://skmtc.dev/ministryofjustice/apis/openapi-definition/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ministryofjustice/openapi-definition/revisions/11cedb95c2ae/schema)