---
title: "PutObject"
slug: "ncloudstorage-putobject"
updated: 2026-10-08T04:17:34Z
published: 2026-10-08T04:17:34Z
canonical: "api.ncloud-docs.com/ncloudstorage-putobject"
---

> ## 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.

# PutObject

Available in Classic and VPC

Save an object in a Ncloud Storage bucket.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| PUT | /{Key} |

### Request headers

The following describes the request headers:

              Note

              

For information about the request headers common to all Ncloud Storage APIs, see [Ncloud Storage request headers](/docs/en/storage-ncloudstorage#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

| Field | Required | Description |
| --- | --- | --- |
| `Cache-Control` | Optional | Caching behavior |
| `Content-Disposition` | Optional | Display format of requested data |
| `Content-Encoding` | Optional | Encoding format of requested data |
| `Content-Language` | Optional | Request data language |
| `Content-Type` | Optional | Request data format |
| `Content-MD5` | Optional | Base64-encoded 128-bit MD5 hash of the request body (object data) - Used to validate object data integrity. |
| `x-amz-checksum-*` | Optional | Checksum hash value - Enter the used algorithm in the `*` of the key. - Supported algorithms: `crc32` \| `crc32c` \| `sha1` \| `sha256` \| `crc64nvme` - Used to validate object data integrity. - Only one algorithm can be specified. |
| `x-amz-storage-class` | Optional | Storage class - `STANDARD` (default) \| `ONEZONE_IA` \| `DEEP_ARCHIVE` - `STANDARD`: Standard Class - `ONEZONE_IA`: One Zone-IA (Infrequent Access) Class - `DEEP_ARCHIVE`: Archive Class |
| `x-amz-server-side-encryption` | Optional | Server-side encryption method - `AES256`: SSE-S3 (server-managed key) - `aws:kms`: SSE-KMS (KMS-managed key) |
| `x-amz-server-side-encryption-customer-algorithm` | Optional | User encryption algorithm (AES256) |
| `x-amz-server-side-encryption-customer-key` | Optional | User-provided encryption key |
| `x-amz-server-side-encryption-customer-key-MD5` | Optional | User-provided encryption key's MD5 value |
| `x-amz-object-lock-mode` | Optional | Object retention mode - `GOVERNANCE` \| `COMPLIANCE` - `GOVERNANCE`: Can be bypassed with special permissions. - `COMPLIANCE`: No one can bypass it. - Specify with `x-amz-object-lock-retain-until-date`. - Available only in buckets with object lock enabled. |
| `x-amz-object-lock-retain-until-date` | Optional | Object retention expiration date - ISO 8601 format. - Specify with `x-amz-object-lock-mode`. - Available only in buckets with object lock enabled. |
| `x-amz-object-lock-legal-hold` | Optional | Legal hold status - `ON` \| `OFF` - Available only in buckets with object lock enabled |

### Request path parameters

You can use the following path parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `Key` | String | Required | Object name - When saving to a folder within the bucket, enter in the format of `{folder name}/{file name}`. |

### Request example

The request example is as follows:

```
PUT /object.csv HTTP/1.1
Host: {Bucket}.kr.ncloudstorage.com
Content-Length: 17423
x-amz-checksum-sha256: 2ecf9f32d97***********39aed87829=

<object.csv binary data>
```

## Response

This section describes the response format.

### Response headers

The following describes the response headers.

              Note

              

For information about the request headers common to all Ncloud Storage APIs, see [Ncloud Storage response headers](/docs/en/storage-ncloudstorage#%EC%9D%91%EB%8B%B5%ED%97%A4%EB%8D%94).

| Field | Required | Description |
| --- | --- | --- |
| `x-amz-checksum-*` | - | Checksum value of the stored object - Displayed if a checksum was specified in the request. - The `*` of the key indicates the algorithm used (`crc32` \| `crc32c` \| `sha1` \| `sha256` \| `crc64nvme`). |
| `x-amz-checksum-type` | - | Checksum type - `FULL_OBJECT` \| `COMPOSITE` - Displayed if a checksum is specified in the request. |

### Response status codes

For information about the response status codes common to all Ncloud Storage APIs, see [Common Ncloud Storage response status codes](/docs/en/storage-ncloudstorage#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
HTTP/1.1 200 OK
ETag: "2dd********************4f6181"
x-amz-checksum-sha256: 2ecf9f32d97***********39aed87829=
x-amz-object-size: 17423
```