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

# OSS upload

Use OSS upload when your image, video, audio, or other asset is still local, private, or unavailable through a public URL.

<Info>
  If you do not have an API Key yet, read [Get API Key](/en/use/api-key) first.
</Info>

## Integration order

1. Call [Generate upload signature](/api-reference/post-api-assets-upload-sign).
2. Upload the file with the returned upload information.
3. Call [Confirm asset upload](/api-reference/post-api-assets-id-confirm).
4. Use the returned asset URL in publishing or generation requests.

## Common use cases

* Add media assets to a publishing flow.
* Provide reference images, videos, or audio for video generation.
* Provide source images or masks for image editing.