---
title: "complete-multipart-upload"
slug: "complete-multipart-upload"
updated: 2026-10-08T05:00:45Z
published: 2026-10-08T05:00:45Z
canonical: "cli.ncloud-docs.com/complete-multipart-upload"
---

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

# complete-multipart-upload

Available in Classic and VPC

Combine the uploaded parts to save the object and complete the multipart upload.

              Note

              

For a Sub Account user to execute this command, they must have the Change/PutObject action permission.

## Syntax

The `complete-multipart-upload` syntax is as follows:

```
aws s3api complete-multipart-upload \
    --bucket <bucket> \
    --key <key> \
    --upload-id <upload-id> \
    --multipart-upload <multipart-upload> \
    [--mpu-object-size <mpu-object-size>] \
    [--sse-customer-algorithm <sse-customer-algorithm>] \
    [--sse-customer-key <sse-customer-key>] \
    [--sse-customer-key-md5 <sse-customer-key-md5>] \
    --endpoint-url <endpoint-url>
```

## Options

This section describes the options available when running `complete-multipart-upload`.

### Required options

The following options are required for `complete-multipart-upload`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--bucket` | String | Required | Bucket name |
| `--key` | String | Required | Object name |
| `--upload-id` | String | Required | Multipart upload ID - See [create-multipart-upload](/docs/en/create-multipart-upload). |
| `--multipart-upload` | String | Required | List of parts to be combined - See [Syntax](/docs/en/complete-multipart-upload#multipartupload%EA%B5%AC%EB%AC%B8). |

#### `--multipart-upload` syntax

- Shorthand syntax

```
Parts=[{ETag=string, PartNumber=integer},{ETag=string, PartNumber=integer}]
```

- JSON syntax

```
{
  "Parts": [
    {
      "ETag": "string",
      "PartNumber": integer
    }
    ...
  ]
}
```

### Optional options

These are the optional options for `complete-multipart-upload`. Options that are not specified will use their default values.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--mpu-object-size` | Long | Optional | Expected total object size for the multipart upload request - If the specified object size differs from the actual size, an HTTP 400 `InvalidRequest` error occurs. |
| `--sse-customer-algorithm` | String | Optional | User encryption algorithm (AES256) |
| `--sse-customer-key` | String | Optional | User-provided encryption key |
| `--sse-customer-key-md5` | String | Optional | User-provided encryption key's MD5 value |

### Common options

For information about the options common to all `aws` subcommands, see [Ncloud Storage options](/docs/en/storage-ncloudstorage#%EC%98%B5%EC%85%98).

## Examples

If the request to complete a multipart upload is successful, the identification information and location information for the created object are returned.

### Command

The command example is as follows:

```
aws s3api complete-multipart-upload --bucket my-test-bucket \
    --key large.bin \
    --upload-id {upload_id} \
    --multipart-upload file://mpu.json \
    --endpoint-url=https://kr.ncloudstorage.com
```

### Output

The output example is as follows:

```
{
    "ServerSideEncryption": "AES256",
    "Location": "/my-test-bucket/large.bin",
    "Bucket": "my-test-bucket",
    "Key": "large.bin",
    "ETag": "\"12d25956f6cd793eef966af402c1d997-2\"",
    "ChecksumCRC64NVME": "okLxzQM8i2M=",
    "ChecksumType": "FULL_OBJECT"
}
```

## Related commands

Related commands are as follows:

- [create-multipart-upload](/docs/en/create-multipart-upload)
- [upload-part](/docs/en/upload-part)
- [abort-multipart-upload](/docs/en/abort-multipart-upload)
- [list-parts](/docs/en/list-parts)
- [list-multipart-uploads](/docs/en/list-multipart-uploads)