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---
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title: Media attachments
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menu:
docs:
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parent: rest-api
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weight: 10
---
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## POST /api/v1/media
Upload a media attachment that can be used with a new status.
Returns [Attachment ]({{< relref "entities.md#attachment" >}} )
### Resource information
{{< api_method_info auth = "Yes" user = "Yes" scope = "write write:media" version = "0.0.0" > }}
### Parameters
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|Name|Description|Required|
|----|-----------|:------:|
| `file` | Media file encoded using `multipart/form-data` | Required |
| `description` | A plain-text description of the media for accessibility (max 420 chars) | Optional |
| `focus` | Two floating points, comma-delimited. See [focal points ](#focal-points ) | Optional |
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## PUT /api/v1/media/:id
Update a media attachment. Can only be done before the media is attached to a status.
Returns [Attachment ]({{< relref "entities.md#attachment" >}} )
### Resource information
{{< api_method_info auth = "Yes" user = "Yes" scope = "write write:media" version = "0.0.0" > }}
### Parameters
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|Name|Description|Required|
|----|-----------|:------:|
| `description` | A plain-text description of the media for accessibility (max 420 chars) | Optional |
| `focus` | Two floating points, comma-delimited. See [focal points ](#focal-points ) | Optional |
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## Focal points
Server-side preview images are never cropped, to support a variety of apps and user interfaces. Therefore, the cropping must be done by those apps. To crop intelligently, focal points can be used to ensure a certain section of the image is always within the cropped viewport. [See this for how to let users select focal point coordinates ](https://github.com/jonom/jquery-focuspoint#1-calculate-your-images-focus-point ).