---
title: API Reference
url: https://docs.kaltura.com/docs/rich-media-cms-apis/content-management/multi-stream-api-reference
---

## API Reference


| Action | Purpose |
|--------|---------|
| `media.add` | Create a new media entry (set `parentEntryId` here for child entries) |
| `media.addContent` | Attach content to an entry (use `KalturaUrlResource` for URLs, `KalturaUploadedFileTokenResource` for uploads) |
| `baseEntry.update` | Link/unlink an existing entry as a child (set/clear `parentEntryId`) |
| `baseEntry.get` | Retrieve entry details to verify parent-child setup |
| `baseEntry.list` | List entries (use `filter[parentEntryIdEqual]` to find children) |
| `uploadToken.add` | Create an upload token |
| `uploadToken.upload` | Upload a file to the token |