---
title: "Upload import chunk REST API | HitKeep"
description: "Reference for the HitKeep REST API operation Upload import chunk, including request parameters, responses, and authentication notes."
canonical: "https://hitkeep.com/api/operations/apisitesidimportsuploadsimportidfilesfileidchunks/"
---

# Upload import chunk REST API

PUT

/api/sites/{id}/imports/uploads/{importID}/files/{fileID}/chunks

FetchcURL

```
const url = 'http://127.0.0.1:25737/api/sites/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/imports/uploads/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/files/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/chunks?offset=1';
const options = {
  method: 'PUT',
  headers: {cookie: 'hk_token=<hk_token>', 'Content-Type': 'application/octet-stream'},
  body: 'binary'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```
curl --request PUT \
  --url 'http://127.0.0.1:25737/api/sites/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/imports/uploads/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/files/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/chunks?offset=1' \
  --header 'Content-Type: application/octet-stream' \
  --cookie hk_token=<hk_token> \
  --data binary
```

-

Uploads one raw file chunk at the requested byte offset.

## Authorizations

- **[cookieAuth](https://hitkeep.com/api/#cookieauth)**
- **[bearerAuth](https://hitkeep.com/api/#bearerauth)**
- **[apiKeyAuth](https://hitkeep.com/api/#apikeyauth)**

## Parameters

### Path Parameters

**id**

required

string format: uuid

**importID**

required

string format: uuid

**fileID**

required

string format: uuid

### Query Parameters

**offset**

required

integer

## Request Bodyrequired

application/octet-stream

string format: binary

## Responses

### 200

Chunk progress

application/json

object

***key***

additional properties

any

##### Examplegenerated

```
{}
```

### 409

Upload not accepting chunks

application/json

object

**message**

string

##### Examplegenerated

```
{
  "message": "example"
}
```

[Previous List site imports](https://hitkeep.com/api/operations/apisitesidimports/)[Next Validate import upload](https://hitkeep.com/api/operations/apisitesidimportsuploadsimportidvalidate/)