---
title: "Ask before sending: presigned PUT only if the server lacks it"
method: POST
path: "/v1/chunks/{chunkId}/upload-url"
tags: ["chunks"]
---

# Ask before sending: presigned PUT only if the server lacks it

`POST /v1/chunks/{chunkId}/upload-url`

## Request

- Base URL: `https://api.ditto.audio` (the document declares no server; this is the origin it was published from)
- URL: `https://api.ditto.audio/v1/chunks/{chunkId}/upload-url`
- Auth: HTTP bearer

## Path parameters

- `chunkId` string, required

## Request body

- ChunkUploadUrlDto

## Response `201`

---

[API](https://skmtc.dev/ditto/apis/ditto-audio-api.md) · [All operations](https://skmtc.dev/ditto/apis/ditto-audio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/ditto/apis/ditto-audio-api/revisions/30c8d7c218da?raw)