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

# Authorization Types

> Authorization Types

XBOX Live Services uses a number of authorization types with requests.
This article describes the standard authorization types.

| Type | Description |
| - | - |
| User | Caller is an authorized XBOX Live user. |
| Title | Caller is a title on a trusted platform. |

## See also

##### Parent

[Additional Reference](https://docs.xbox.com/reference/live/rest/additional/atoc-xboxlivews-reference-additional.md)

##### Reference

[Universal Resource Identifier (URI) Reference](https://docs.xbox.com/reference/live/rest/uri/atoc-xboxlivews-reference-uris.md)


## Related topics

- [EDS Authorization](https://docs.xbox.com/reference/live/rest/additional/edsauthorization.md)
- [POST /titles/{titleId}/invites/server API](https://docs.xbox.com/reference/live/rest/uri/multiplayeractivity/swagger-uris/uri-SendServerInvite.md)
- [PUT /titles/{titleId}/users/{xuid}/activities](https://docs.xbox.com/reference/live/rest/uri/multiplayeractivity/swagger-uris/uri-UpdateActivity.md)
- [DELETE /titles/{titleId}/users/{xuid}/activities](https://docs.xbox.com/reference/live/rest/uri/multiplayeractivity/swagger-uris/uri-DeleteActivity.md)
- [POST /titles/{titleId}/activities/query](https://docs.xbox.com/reference/live/rest/uri/multiplayeractivity/swagger-uris/uri-ExternalGetActivityBatch.md)