---
title: "bird assets uploads prepare"
description: "Refresh a media-library upload instruction"
canonical: "https://bird.com/docs/cli/reference/assets-uploads-prepare"
---

# `bird assets uploads prepare`

## Usage

```bash
bird assets uploads prepare <upload-id> [flags]
```

## Description

Returns another PUT instruction for the same frozen file. It does not extend the session or change the file. Refreshes require at least 30 seconds between instructions.

## Examples

```bash
bird assets uploads prepare <id>
```

## Options

| Name                | Description                                                  |
| ------------------- | ------------------------------------------------------------ |
| `--idempotency-key` | Deduplication key; a retry with the same key won't act twice |
| `--response-schema` | Print the fields this command returns, then exit             |

## Related

| Name                                                                          | Description                           |
| ----------------------------------------------------------------------------- | ------------------------------------- |
| [`bird assets uploads cancel`](/docs/cli/reference/assets-uploads-cancel)     | Cancel a media-library upload         |
| [`bird assets uploads complete`](/docs/cli/reference/assets-uploads-complete) | Complete a media-library upload       |
| [`bird assets uploads create`](/docs/cli/reference/assets-uploads-create)     | Create a media-library upload session |
| [`bird assets uploads get`](/docs/cli/reference/assets-uploads-get)           | Get a media-library upload session    |

## Related resources

- [Should I use a Bird SDK or call the API directly?](/explained/platform/should-i-use-an-sdk-or-call-the-api-directly) (answer)
- [Build your first integration](/learn/paths/integration) (course)
- [Send your first email](/docs/get-started/send-your-first-email) (docs)

[Get an implementation brief](/learn/workspace?topic=api-basics)