---
title: "Creates a presigned url to upload file"
method: POST
path: "/file-upload-urls"
tags: ["comment submission utilities"]
---

# Creates a presigned url to upload file

`POST /file-upload-urls`

Returns a pre-signed URL to upload a file to the S3 bucket

## Response `201`

Created

## Other responses

- `400` — Validation error
- `403` — API key is missing or invalid

## Changes

> 25 revisions in range; 1 not diffed.

- **2026-05-22** (v4) `be43c866f5ca` — 1 info
  - endpoint added
- **2025-09-25** (v4) `08d76fb673bd` — 1 breaking
  - api path removed without deprecation
- **2020-08-25** (v4) `b19d0ba95476` — 1 breaking, 4 warning, 1 info
  - added required request body
  - deleted the `query` request parameter `contentType`
  - deleted the `query` request parameter `filename`
  - deleted the `query` request parameter `submissionKey`
  - …2 more
- **2020-08-06** (v4) `0c7282b2ab56` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/gsa/apis/regulations-gov-api/changes/file-upload-urls/post.md)

---

[API](https://skmtc.dev/gsa/apis/regulations-gov-api.md) · [All operations](https://skmtc.dev/gsa/apis/regulations-gov-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/gsa/regulations-gov-api/revisions/be43c866f5ca/schema)