---
title: "Complete a multipart upload"
method: POST
path: "/bus/multipart/complete"
tags: ["bus"]
---

# Complete a multipart upload

`POST /bus/multipart/complete`

Completes a multipart upload by combining all uploaded parts into a single object.

## Request body

- object
  - `bucket` string — The name of the bucket.
  - `key` string
  - `uploadID` string, byte — The ID of the multipart upload
  - `parts` MultipartCompletedPart[]
    - `partNumber` integer — The number of this part
    - `eTag` string — An ETag representing a resource
  - `metadata` ObjectUserMetadata — User-defined metadata about an object provided through X-Sia-Meta- headers

## Response `200`

Successfully completed multipart upload

- object
  - `eTag` string — The ETag of the completed object

## Other responses

- `500` — Internal server error

---

[API](https://skmtc.net/siafoundation/apis/renterd-api.md) · [All operations](https://skmtc.net/siafoundation/apis/renterd-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/siafoundation/renterd-api/versions/184a3d5207da/schema)