---
title: "CompleteMultipartUpload"
slug: "storage-objectstorage-completemultipartupload"
updated: 2026-09-17T10:12:27Z
published: 2026-09-17T10:12:27Z
canonical: "api.ncloud-docs.com/storage-objectstorage-completemultipartupload"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CompleteMultipartUpload

Available in Classic and VPC

You can complete a multipart upload by assembling the uploaded parts. After you upload all the parts via the InitiateMultipartUpload API and the UploadPart API, call the applicable API to complete the upload process.

## Requests

The following describes the request format for the endpoint. The request format is as follows.

| Method | URI |
| --- | --- |
| POST | /{bucket-name}/{object-name} |

### Request syntax

The request syntax is as follows.

```
POST https://{endpoint}/{bucket-name}/{object-name}?uploadId={uploadId} # path style
POST https://{bucket-name}.{endpoint}/{object-name}?uploadId={uploadId} # virtual host style
```

```
<CompleteMultipartUpload>
  <Part>
    <PartNumber>{sequential part number}</PartNumber>
    <ETag>{ETag value from part upload response header}</ETag>
  </Part>
</CompleteMultipartUpload>
```

### Request headers

For headers common to all Object Storage APIs, see [Object Storage common headers](/docs/en/storage-objectstorage#%EA%B3%B5%ED%86%B5-%EC%9A%94%EC%B2%AD-%ED%97%A4%EB%8D%94).

### Request path parameters

The following describes the parameters.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `bucket-name` | String | Required | Name of the bucket where the object is stored |
| `object-name` | String | Required | Name of the object that ran the multipart upload |

### Request query parameters

The following describes the parameters.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `uploadId` | String | Required | Upload ID received by running the InitiateMultipartUpload API |

### Request example

The following is a sample request.

```
POST /some-bucket/multipart-object-123?uploadId=0000015a-df89-51d0-2790-dee1ac994053 HTTP/1.1
Authorization: {authorization-string}
x-amz-date: 20170318T035641Z
Content-Type: text/plain; charset=utf-8
Host: kr.object.ncloudstorage.com
Content-Length: 257
```

```
<CompleteMultipartUpload>
  <Part>
    <PartNumber>1</PartNumber>
    <ETag>"7417ca8d45a71b692168f0419c17fe2f"</ETag>
  </Part>
  <Part>
    <PartNumber>2</PartNumber>
    <ETag>"7417ca8d45a71b692168f0419c17fe2f"</ETag>
  </Part>
</CompleteMultipartUpload>
```

## Responses

The following describes the response format.

### Response headers

For response headers common to all Object Storage APIs, see [Object Storage common response headers](/docs/en/storage-objectstorage#%EA%B3%B5%ED%86%B5%EC%9D%91%EB%8B%B5%ED%97%A4%EB%8D%94).

### Response status codes

For response status codes common to all Object Storage APIs, see [Object Storage response status codes](/docs/en/storage-objectstorage#%EC%98%A4%EB%A5%98%EC%BD%94%EB%93%9C).

### Response example

The following is a sample response.

```
HTTP/1.1 200 OK
Date: Fri, 03 Mar 2017 19:18:44 GMT
Accept-Ranges: bytes
ETag: "765ba3df36cf24e49f67fc6f689dfc6e-2"
Content-Type: application/xml
Content-Length: 364
```

```
<CompleteMultipartUploadResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
  <Location>https://kr.object.ncloudstorage.com/example-bucket/multipart-object-123</Location>
  <Bucket>some-bucket</Bucket>
  <Key>multipart-object-123</Key>
  <ETag>"765ba3df36cf24e49f67fc6f689dfc6e-2"</ETag>
</CompleteMultipartUploadResult>
```